>please realize that I wasn't putting down your comments, I was questioning
how frequently you looked through one..and you have addressed that below, my
apologies. Out of focus diffraction patterns do not show false color,
-snip

You can detect any false color in the out of focus diffraction patterns
with a TV-85?   Amazing for an 85mm f/7 doublet.  I have only looked
through a TV-85 out Orion's store window, no star testing.

Rich


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if we pay 5 bucks a month i believe they can be turned off

At 06:04 PM 7/2/99 EDT, you wrote:
>In a message dated 7/2/99 5:56:20 PM Eastern Daylight Time, rnapo@...
>writes:
>
>> the ads at the
>>  bottom are very annoying.
>
>
>Ads are being added by the mailing list software.  I wonder if there is a
way
>the listowner can turn it off?
>
>-Philip J. Blanda III
>
>------------------------------------------------------------------------
>FreeShop is the #1 place for free and trial offers and great deals!
>Try something new and discover more ways to save!
>http://clickhere.egroups.com/click/381
>
>
>
>eGroups.com home: http://www.egroups.com/group/ap-ug
>http://www.egroups.com - Simplifying group communications
>
>
>
>
>

thanks!
-Todd

Boston Meteorologist Todd Gross
toddg@...
http://www.weatherman.com
(617)725-0777



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not to beat a dead horse.. but if I understand the discussion, Rich,
you are questioning the f/5 decision? I fully understand that!!

However, playing devil's advocate just for a moment.. I believe either you
or someone else I respect
(dont' remember) indicated that a careful examination of images through the
130 f/6 vs.
the 130 f/8 were visually very comparable. With new eyepieces such as the
3mm Radian out
(which works really well on my 155 EDF btw) at least from an ease-of-view
standpoint,
the way Roland is making scopes of remarkable figure lately, wouldn't it
pay to have a short
focal length scope as a travel scope?


>Why not get the most out of each aperture?
>
>Rich
>ps  If Roland starts making 206mm or larger scopes again
>      I'll very likely be in line with a check in hand.  I have
>      a 130EDT, 155EDFS and 180EDT.
>
>-snip
>that leads me to address rich's point.  you could make the tube of a given
>aperture a little longer to improve the correction of a given design and see
>a little more i suppose.  but if you're really so hot to see more - why not
>build the APERTURE a little bigger?
>
>robert hunt
>
>
>
>----- Original Message -----
>From: toddg@...
>To: ap-ug@egroups.com
>Sent: Friday, July 02, 1999 4:41 PM
>Subject: [ap-ug] Re: AP 90 EDL
>
>
>I think you may not have a great deal of experience with the TV85, but I do
>appreciate your comments.
>
>My TV85, and now the Bizarro that I own is quite color free, and doesn't
>soften on planetary until nearly 200x. For the size, the planetary
>performance is remarkable, and color free, handily beating an ETX with a
>perfect star-test. It is very comparable to my previous Vixen 90 fluorite.
>It is NOT as sharp as the Traveler, but does seem about as color free,
>despite the two elements.  I am not sure if each unit is completely up to
>the same level .. but would sorely want to see the TV85 compared to the 90mm
>A/P. It will be a hard scope to beat, even despite the 5mm difference,
>especially since it is f/7 and not f/5
>
>Todd
>
>
>
>
><003101bec4b4$7f878da0$81f7c3d-@robhunt> wrote:
>original article:http://www.egroups.com/group/ap-ug/?start=14
>>     at stellafane the TV-85 was saddled with a binoviewer (not my
>favorite.)  i don't remember what eps he was using but it was certainly
>under 50x and the views were excellent as you might expect.  the 90mm edl
>was running at even lower power (maybe 25x) and at these levels the two
>tubes should be virtually indistinguishable (of course the edl can go a
>little wider).  at other times i have seen 85s used at higher powers and
>they were quite good up to about 130x.  beyond that it starts to display a
>little color while its lack of descent baffling betrays itself with quite a
>bit of flare.  i don't think of it as a planetary scope nor do i consider it
>a true apo.  the 90mm on the other hand should be color free at any useful
>power and should be able to handle over 200x without breaking a sweat but i
>have yet to see this for myself.
>>
>> robert hunt
>>   ----- Original Message -----
>>   From: Aposrus@...
>>   To: ap-ug@egroups.com
>>   Sent: Friday, July 02, 1999 11:47 AM
>>   Subject: [ap-ug] Re: AP 90 EDL
>>
>>
>>   In a message dated 7/2/99 9:56:55 AM Eastern Daylight Time,
>robhunt@...
>>   writes:
>>
>>   >  it was interesting to see al nagler very close by showing off his
>85mm f7
>>   > doublet.  i think if i had been him i might have chosen a spot a
>little
>>   > further away.
>>
>>   Were you able to compare them directly?
>>   Mike
>>
>>   ------------------------------------------------------------------------
>>   Just Tell Us What You Want...
>>   Respond.com - Shopping the World for You!
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>>
>>
>>   eGroups.com home: http://www.egroups.com/group/ap-ug
>>   http://www.egroups.com - Simplifying group communications
>>
>>
>>
>>
>>
>>
>>
>
>
>------------------------------------------------------------------------
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>Try something new and discover more ways to save!
>http://clickhere.egroups.com/click/381
>
>
>
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>http://www.egroups.com - Simplifying group communications
>
>
>
>
>
>
>
>------------------------------------------------------------------------
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>Try something new and discover more ways to save!
>http://clickhere.egroups.com/click/381
>
>
>
>eGroups.com home: http://www.egroups.com/group/ap-ug
>http://www.egroups.com - Simplifying group communications
>
>
>
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thanks!
-Todd

Boston Meteorologist Todd Gross
toddg@...
http://www.weatherman.com
(617)725-0777



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I met Robert Hunt a few weeks ago at the NJ StarQuest star party.  Had a fun
night but for now I'd like to invite Rob to tell the group about the
fantastic custom made alt-az mount he had his 155EDF on.  It was really great
using it, so much so that I'm seriously thinking about an alt-az mount myself.

-Philip J. Blanda III

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In a message dated 7/2/99 5:56:20 PM Eastern Daylight Time, rnapo@...
writes:

> the ads at the
>  bottom are very annoying.


Ads are being added by the mailing list software.  I wonder if there is a way
the listowner can turn it off?

-Philip J. Blanda III

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Hi Robert,

Why not get the most out of each aperture?

Rich
ps  If Roland starts making 206mm or larger scopes again
       I'll very likely be in line with a check in hand.  I have
       a 130EDT, 155EDFS and 180EDT.

-snip
that leads me to address rich's point.  you could make the tube of a given
aperture a little longer to improve the correction of a given design and see
a little more i suppose.  but if you're really so hot to see more - why not
build the APERTURE a little bigger?

robert hunt



----- Original Message -----
From: toddg@...
To: ap-ug@egroups.com
Sent: Friday, July 02, 1999 4:41 PM
Subject: [ap-ug] Re: AP 90 EDL


I think you may not have a great deal of experience with the TV85, but I do
appreciate your comments.

My TV85, and now the Bizarro that I own is quite color free, and doesn't
soften on planetary until nearly 200x. For the size, the planetary
performance is remarkable, and color free, handily beating an ETX with a
perfect star-test. It is very comparable to my previous Vixen 90 fluorite.
It is NOT as sharp as the Traveler, but does seem about as color free,
despite the two elements.  I am not sure if each unit is completely up to
the same level .. but would sorely want to see the TV85 compared to the 90mm
A/P. It will be a hard scope to beat, even despite the 5mm difference,
especially since it is f/7 and not f/5

Todd




<003101bec4b4$7f878da0$81f7c3d-@robhunt> wrote:
original article:http://www.egroups.com/group/ap-ug/?start=14
>     at stellafane the TV-85 was saddled with a binoviewer (not my
favorite.)  i don't remember what eps he was using but it was certainly
under 50x and the views were excellent as you might expect.  the 90mm edl
was running at even lower power (maybe 25x) and at these levels the two
tubes should be virtually indistinguishable (of course the edl can go a
little wider).  at other times i have seen 85s used at higher powers and
they were quite good up to about 130x.  beyond that it starts to display a
little color while its lack of descent baffling betrays itself with quite a
bit of flare.  i don't think of it as a planetary scope nor do i consider it
a true apo.  the 90mm on the other hand should be color free at any useful
power and should be able to handle over 200x without breaking a sweat but i
have yet to see this for myself.
>
> robert hunt
>   ----- Original Message -----
>   From: Aposrus@...
>   To: ap-ug@egroups.com
>   Sent: Friday, July 02, 1999 11:47 AM
>   Subject: [ap-ug] Re: AP 90 EDL
>
>
>   In a message dated 7/2/99 9:56:55 AM Eastern Daylight Time,
robhunt@...
>   writes:
>
>   >  it was interesting to see al nagler very close by showing off his
85mm f7
>   > doublet.  i think if i had been him i might have chosen a spot a
little
>   > further away.
>
>   Were you able to compare them directly?
>   Mike
>
>   ------------------------------------------------------------------------
>   Just Tell Us What You Want...
>   Respond.com - Shopping the World for You!
>   http://clickhere.egroups.com/click/390
>
>
>   eGroups.com home: http://www.egroups.com/group/ap-ug
>   http://www.egroups.com - Simplifying group communications
>
>
>
>
>
>
>


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Robert I very much appreciate your opinions.

However, the format of your emails and the ads at the
bottom are very annoying.

Rich




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Sitting here with three APs and threeTaks, I find
that Takahashi makes OTAs quite heavy for
their aperture.   Takahashi seems to have no
interest in two inch accessories.   And Tak seems
to charge not for their labor but by the area of the
lens.  This may not be true but as a dumb consumer
it looks that way.

As I step up on my soapbox...  I have no interest in
taking astro photos.  I want the finest images possible
through the eyepiece.

I am very happy AP has started making the longer 130mm
OTA (f/8.3?) using FPL53.  I sincerely hope AP will keep
that trend going.

Rich




>while we are on the subject of the 90EDL.. I have been reading up on the
>new Takahashi FSQ106.
>It appears to me to be quite a unit, but non-travel-friendly. (compared to
>the 105mm EDF Traveler) I was going to compare it to the Traveler, but it
>almost seems a different animal - not really meant for airline travel
>(although I'm sure it could be lugged along) I haven't weighed my Traveler,
>but I believe it is more like 10 or 11 lbs rather than 9 lbs.. have to get
>around to it. Has anyone weighed their traveler? The FSQ106 is something
>like 14.6 lbs which is quite hefty. I find the Traveler is suitable on
>Telepod, but I would really want anything much heavier.
>
>Any thoughts? (or am I veering off topic?)
>
>At 02:23 PM 7/2/99 -0700, Rich N. wrote:
>>
>>
>>>A point of view...
>>>
>>>I certainly appreciate all of Roland's work since it is far beyond
>>>my ability to make anything close to what AP makes.   However,
>>>my primary interest is in the best image quality even if it means
>>>makeing a telescope a few inches longer.
>>
>>  ^^^^^^^^^
>>Oops, "making"...  where's my spell checker?   ;-)
>>
>>>Rich
>>>
>>>
>>>
>>>>I think you may not have a great deal of experience with the TV85, but I
>>do
>>>appreciate your comments.
>>>>
>>>>My TV85, and now the Bizarro that I own is quite color free, and doesn't
>>>soften on planetary until nearly 200x. For the size, the planetary
>>>performance is remarkable, and color free, handily beating an ETX with a
>>>perfect star-test. It is very comparable to my previous Vixen 90
fluorite.
>>>It is NOT as sharp as the Traveler, but does seem about as color free,
>>>despite the two elements.  I am not sure if each unit is completely up to
>>>the same level .. but would sorely want to see the TV85 compared to the
>>90mm
>>>A/P. It will be a hard scope to beat, even despite the 5mm difference,
>>>especially since it is f/7 and not f/5
>>>>
>>>>Todd
>>>>
>>>>
>>>>
>>>>
>>>><003101bec4b4$7f878da0$81f7c3d-@robhunt> wrote:
>>>>original article:http://www.egroups.com/group/ap-ug/?start=14
>>>>>     at stellafane the TV-85 was saddled with a binoviewer (not my
>>>favorite.)  i don't remember what eps he was using but it was certainly
>>>under 50x and the views were excellent as you might expect.  the 90mm edl
>>>was running at even lower power (maybe 25x) and at these levels the two
>>>tubes should be virtually indistinguishable (of course the edl can go a
>>>little wider).  at other times i have seen 85s used at higher powers and
>>>they were quite good up to about 130x.  beyond that it starts to display
a
>>>little color while its lack of descent baffling betrays itself with quite
a
>>>bit of flare.  i don't think of it as a planetary scope nor do i consider
>>it
>>>a true apo.  the 90mm on the other hand should be color free at any
useful
>>>power and should be able to handle over 200x without breaking a sweat but
i
>>>have yet to see this for myself.
>>>>>
>>>>> robert hunt
>>>>>   ----- Original Message -----
>>>>>   From: Aposrus@...
>>>>>   To: ap-ug@egroups.com
>>>>>   Sent: Friday, July 02, 1999 11:47 AM
>>>>>   Subject: [ap-ug] Re: AP 90 EDL
>>>>>
>>>>>
>>>>>   In a message dated 7/2/99 9:56:55 AM Eastern Daylight Time,
>>>robhunt@...
>>>>>   writes:
>>>>>
>>>>>   >  it was interesting to see al nagler very close by showing off his
>>>85mm f7
>>>>>   > doublet.  i think if i had been him i might have chosen a spot a
>>>little
>>>>>   > further away.
>>>>>
>>>>>   Were you able to compare them directly?
>>>>>   Mike
>>>>>
>>>>>   --------------------------------------------------------------------
--
>>-
>>>-
>>>>>   Just Tell Us What You Want...
>>>>>   Respond.com - Shopping the World for You!
>>>>>   http://clickhere.egroups.com/click/390
>>>>>
>>>>>
>>>>>   eGroups.com home: http://www.egroups.com/group/ap-ug
>>>>>   http://www.egroups.com - Simplifying group communications
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>------------------------------------------------------------------------
>>>>FreeShop is the #1 place for free and trial offers and great deals!
>>>>Try something new and discover more ways to save!
>>>>http://clickhere.egroups.com/click/381
>>>>
>>>>
>>>>
>>>>eGroups.com home: http://www.egroups.com/group/ap-ug
>>>>http://www.egroups.com - Simplifying group communications
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>------------------------------------------------------------------------
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>>>Try something new and discover more ways to save!
>>>http://clickhere.egroups.com/click/381
>>>
>>>
>>>
>>>eGroups.com home: http://www.egroups.com/group/ap-ug
>>>http://www.egroups.com - Simplifying group communications
>>>
>>>
>>>
>>>
>>
>>
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>>http://www.egroups.com - Simplifying group communications
>>
>>
>>
>>
>>
>
>thanks!
>-Todd
>
>Boston Meteorologist Todd Gross
>toddg@...
>http://www.weatherman.com
>(617)725-0777
>
>
>
>------------------------------------------------------------------------
>Just Tell Us What You Want...
>Respond.com - Shopping the World for You!
>http://clickhere.egroups.com/click/390
>
>
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>http://www.egroups.com - Simplifying group communications
>
>
>
>


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while we are on the subject of the 90EDL.. I have been reading up on the
new Takahashi FSQ106.
It appears to me to be quite a unit, but non-travel-friendly. (compared to
the 105mm EDF Traveler) I was going to compare it to the Traveler, but it
almost seems a different animal - not really meant for airline travel
(although I'm sure it could be lugged along) I haven't weighed my Traveler,
but I believe it is more like 10 or 11 lbs rather than 9 lbs.. have to get
around to it. Has anyone weighed their traveler? The FSQ106 is something
like 14.6 lbs which is quite hefty. I find the Traveler is suitable on
Telepod, but I would really want anything much heavier.

Any thoughts? (or am I veering off topic?)

At 02:23 PM 7/2/99 -0700, Rich N. wrote:
>
>
>>A point of view...
>>
>>I certainly appreciate all of Roland's work since it is far beyond
>>my ability to make anything close to what AP makes.   However,
>>my primary interest is in the best image quality even if it means
>>makeing a telescope a few inches longer.
>
>  ^^^^^^^^^
>Oops, "making"...  where's my spell checker?   ;-)
>
>>Rich
>>
>>
>>
>>>I think you may not have a great deal of experience with the TV85, but I
>do
>>appreciate your comments.
>>>
>>>My TV85, and now the Bizarro that I own is quite color free, and doesn't
>>soften on planetary until nearly 200x. For the size, the planetary
>>performance is remarkable, and color free, handily beating an ETX with a
>>perfect star-test. It is very comparable to my previous Vixen 90 fluorite.
>>It is NOT as sharp as the Traveler, but does seem about as color free,
>>despite the two elements.  I am not sure if each unit is completely up to
>>the same level .. but would sorely want to see the TV85 compared to the
>90mm
>>A/P. It will be a hard scope to beat, even despite the 5mm difference,
>>especially since it is f/7 and not f/5
>>>
>>>Todd
>>>
>>>
>>>
>>>
>>><003101bec4b4$7f878da0$81f7c3d-@robhunt> wrote:
>>>original article:http://www.egroups.com/group/ap-ug/?start=14
>>>>     at stellafane the TV-85 was saddled with a binoviewer (not my
>>favorite.)  i don't remember what eps he was using but it was certainly
>>under 50x and the views were excellent as you might expect.  the 90mm edl
>>was running at even lower power (maybe 25x) and at these levels the two
>>tubes should be virtually indistinguishable (of course the edl can go a
>>little wider).  at other times i have seen 85s used at higher powers and
>>they were quite good up to about 130x.  beyond that it starts to display a
>>little color while its lack of descent baffling betrays itself with quite a
>>bit of flare.  i don't think of it as a planetary scope nor do i consider
>it
>>a true apo.  the 90mm on the other hand should be color free at any useful
>>power and should be able to handle over 200x without breaking a sweat but i
>>have yet to see this for myself.
>>>>
>>>> robert hunt
>>>>   ----- Original Message -----
>>>>   From: Aposrus@...
>>>>   To: ap-ug@egroups.com
>>>>   Sent: Friday, July 02, 1999 11:47 AM
>>>>   Subject: [ap-ug] Re: AP 90 EDL
>>>>
>>>>
>>>>   In a message dated 7/2/99 9:56:55 AM Eastern Daylight Time,
>>robhunt@...
>>>>   writes:
>>>>
>>>>   >  it was interesting to see al nagler very close by showing off his
>>85mm f7
>>>>   > doublet.  i think if i had been him i might have chosen a spot a
>>little
>>>>   > further away.
>>>>
>>>>   Were you able to compare them directly?
>>>>   Mike
>>>>
>>>>   ----------------------------------------------------------------------
>-
>>-
>>>>   Just Tell Us What You Want...
>>>>   Respond.com - Shopping the World for You!
>>>>   http://clickhere.egroups.com/click/390
>>>>
>>>>
>>>>   eGroups.com home: http://www.egroups.com/group/ap-ug
>>>>   http://www.egroups.com - Simplifying group communications
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>------------------------------------------------------------------------
>>>FreeShop is the #1 place for free and trial offers and great deals!
>>>Try something new and discover more ways to save!
>>>http://clickhere.egroups.com/click/381
>>>
>>>
>>>
>>>eGroups.com home: http://www.egroups.com/group/ap-ug
>>>http://www.egroups.com - Simplifying group communications
>>>
>>>
>>>
>>>
>>
>>
>>------------------------------------------------------------------------
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>>Try something new and discover more ways to save!
>>http://clickhere.egroups.com/click/381
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>>
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>>
>>
>>
>>
>
>
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>
>
>
>
>

thanks!
-Todd

Boston Meteorologist Todd Gross
toddg@...
http://www.weatherman.com
(617)725-0777



------------------------------------------------------------------------

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>A point of view...
>
>I certainly appreciate all of Roland's work since it is far beyond
>my ability to make anything close to what AP makes.   However,
>my primary interest is in the best image quality even if it means
>makeing a telescope a few inches longer.

   ^^^^^^^^^
Oops, "making"...  where's my spell checker?   ;-)

>Rich
>
>
>
>>I think you may not have a great deal of experience with the TV85, but I
do
>appreciate your comments.
>>
>>My TV85, and now the Bizarro that I own is quite color free, and doesn't
>soften on planetary until nearly 200x. For the size, the planetary
>performance is remarkable, and color free, handily beating an ETX with a
>perfect star-test. It is very comparable to my previous Vixen 90 fluorite.
>It is NOT as sharp as the Traveler, but does seem about as color free,
>despite the two elements.  I am not sure if each unit is completely up to
>the same level .. but would sorely want to see the TV85 compared to the
90mm
>A/P. It will be a hard scope to beat, even despite the 5mm difference,
>especially since it is f/7 and not f/5
>>
>>Todd
>>
>>
>>
>>
>><003101bec4b4$7f878da0$81f7c3d-@robhunt> wrote:
>>original article:http://www.egroups.com/group/ap-ug/?start=14
>>>     at stellafane the TV-85 was saddled with a binoviewer (not my
>favorite.)  i don't remember what eps he was using but it was certainly
>under 50x and the views were excellent as you might expect.  the 90mm edl
>was running at even lower power (maybe 25x) and at these levels the two
>tubes should be virtually indistinguishable (of course the edl can go a
>little wider).  at other times i have seen 85s used at higher powers and
>they were quite good up to about 130x.  beyond that it starts to display a
>little color while its lack of descent baffling betrays itself with quite a
>bit of flare.  i don't think of it as a planetary scope nor do i consider
it
>a true apo.  the 90mm on the other hand should be color free at any useful
>power and should be able to handle over 200x without breaking a sweat but i
>have yet to see this for myself.
>>>
>>> robert hunt
>>>   ----- Original Message -----
>>>   From: Aposrus@...
>>>   To: ap-ug@egroups.com
>>>   Sent: Friday, July 02, 1999 11:47 AM
>>>   Subject: [ap-ug] Re: AP 90 EDL
>>>
>>>
>>>   In a message dated 7/2/99 9:56:55 AM Eastern Daylight Time,
>robhunt@...
>>>   writes:
>>>
>>>   >  it was interesting to see al nagler very close by showing off his
>85mm f7
>>>   > doublet.  i think if i had been him i might have chosen a spot a
>little
>>>   > further away.
>>>
>>>   Were you able to compare them directly?
>>>   Mike
>>>
>>>   ----------------------------------------------------------------------
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>-
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>>>
>>>
>>
>>
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A point of view...

I certainly appreciate all of Roland's work since it is far beyond
my ability to make anything close to what AP makes.   However,
my primary interest is in the best image quality even if it means
makeing a telescope a few inches longer.

Rich



>I think you may not have a great deal of experience with the TV85, but I do
appreciate your comments.
>
>My TV85, and now the Bizarro that I own is quite color free, and doesn't
soften on planetary until nearly 200x. For the size, the planetary
performance is remarkable, and color free, handily beating an ETX with a
perfect star-test. It is very comparable to my previous Vixen 90 fluorite.
It is NOT as sharp as the Traveler, but does seem about as color free,
despite the two elements.  I am not sure if each unit is completely up to
the same level .. but would sorely want to see the TV85 compared to the 90mm
A/P. It will be a hard scope to beat, even despite the 5mm difference,
especially since it is f/7 and not f/5
>
>Todd
>
>
>
>
><003101bec4b4$7f878da0$81f7c3d-@robhunt> wrote:
>original article:http://www.egroups.com/group/ap-ug/?start=14
>>     at stellafane the TV-85 was saddled with a binoviewer (not my
favorite.)  i don't remember what eps he was using but it was certainly
under 50x and the views were excellent as you might expect.  the 90mm edl
was running at even lower power (maybe 25x) and at these levels the two
tubes should be virtually indistinguishable (of course the edl can go a
little wider).  at other times i have seen 85s used at higher powers and
they were quite good up to about 130x.  beyond that it starts to display a
little color while its lack of descent baffling betrays itself with quite a
bit of flare.  i don't think of it as a planetary scope nor do i consider it
a true apo.  the 90mm on the other hand should be color free at any useful
power and should be able to handle over 200x without breaking a sweat but i
have yet to see this for myself.
>>
>> robert hunt
>>   ----- Original Message -----
>>   From: Aposrus@...
>>   To: ap-ug@egroups.com
>>   Sent: Friday, July 02, 1999 11:47 AM
>>   Subject: [ap-ug] Re: AP 90 EDL
>>
>>
>>   In a message dated 7/2/99 9:56:55 AM Eastern Daylight Time,
robhunt@...
>>   writes:
>>
>>   >  it was interesting to see al nagler very close by showing off his
85mm f7
>>   > doublet.  i think if i had been him i might have chosen a spot a
little
>>   > further away.
>>
>>   Were you able to compare them directly?
>>   Mike
>>
>>   -----------------------------------------------------------------------
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>>
>>
>>
>>
>
>
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I think you may not have a great deal of experience with the TV85, but I do
appreciate your comments.

My TV85, and now the Bizarro that I own is quite color free, and doesn't soften
on planetary until nearly 200x. For the size, the planetary performance is
remarkable, and color free, handily beating an ETX with a perfect star-test. It
is very comparable to my previous Vixen 90 fluorite. It is NOT as sharp as the
Traveler, but does seem about as color free, despite the two elements.  I am not
sure if each unit is completely up to the same level .. but would sorely want to
see the TV85 compared to the 90mm A/P. It will be a hard scope to beat, even
despite the 5mm difference, especially since it is f/7 and not f/5

Todd




<003101bec4b4$7f878da0$81f7c3d-@robhunt> wrote:
original article:http://www.egroups.com/group/ap-ug/?start=14
>     at stellafane the TV-85 was saddled with a binoviewer (not my favorite.) 
i don't remember what eps he was using but it was certainly under 50x and the
views were excellent as you might expect.  the 90mm edl was running at even
lower power (maybe 25x) and at these levels the two tubes should be virtually
indistinguishable (of course the edl can go a little wider).  at other times i
have seen 85s used at higher powers and they were quite good up to about 130x. 
beyond that it starts to display a little color while its lack of descent
baffling betrays itself with quite a bit of flare.  i don't think of it as a
planetary scope nor do i consider it a true apo.  the 90mm on the other hand
should be color free at any useful power and should be able to handle over 200x
without breaking a sweat but i have yet to see this for myself.
>
> robert hunt
>   ----- Original Message -----
>   From: Aposrus@...
>   To: ap-ug@egroups.com
>   Sent: Friday, July 02, 1999 11:47 AM
>   Subject: [ap-ug] Re: AP 90 EDL
>
>
>   In a message dated 7/2/99 9:56:55 AM Eastern Daylight Time, robhunt@...
>   writes:
>
>   >  it was interesting to see al nagler very close by showing off his 85mm f7
>   > doublet.  i think if i had been him i might have chosen a spot a little
>   > further away.
>
>   Were you able to compare them directly?
>   Mike
>
>   ------------------------------------------------------------------------
>   Just Tell Us What You Want...
>   Respond.com - Shopping the World for You!
>   http://clickhere.egroups.com/click/390
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>
>
>
>
>
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In a message dated 7/2/99 8:36:15 AM Eastern Daylight Time, rnapo@...
writes:

> Wouldn't you have to make the f-ratio a little longer
>  when using FPL-53 to achieve the same level of
>  color correction?

I can assure everyone on the list that I have no idea!  But that's never
stopped me from guessing :-).   My guess is that given that the V number of
Fluorite and FPL53 is virtually identical (~95) that either material could be
used to make a short F.R. 92mm refractor.

I know that some early Travelers were made with FPL52 glass and had identical
colour correction to the later ones made with FPL53, the difference between
the two types is that the FPL52 Travelers needed steeper curves than the
FPL53 Travelers.

I hope those that do in fact know will correct me if I am wrong.

-Philip J. Blanda III

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Please add me to the mailing list for the AP users group.

Thank you,

Joe Castoro

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----- Original Message -----

From: Aposrus@...

To: ap-ug@egroups.com

Sent: Friday, July 02, 1999 11:47 AM

Subject: [ap-ug] Re: AP 90 EDL

In a message dated 7/2/99 9:56:55 AM Eastern Daylight Time, robhunt@...
writes:

>  it was interesting to see al nagler very close by showing off his 85mm f7
> doublet.  i think if i had been him i might have chosen a spot a little
> further away.

Were you able to compare them directly?
Mike

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>
>> The price is 2400$... Which brings up another question.. Will Roland now
>>  Raise the price of the Travelor???
>
>Well, it's got about 27% more light gathering area than the 92mm, but how
>that would really effect images, I don't know.
>-Rich


Gee, I think it is pretty safe to guess the images would be a little
brighter
with a little better resolution.

Rich


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robhunt@...
>writes:
>
><< Is this true, what is the price, how big is the focuser, and can you use
>   this with an AP/Baader binoview without a barlow?
>  >>
>The price is 2400$... Which brings up another question.. Will Roland now
>Raise the price of the Travelor???
>
>Sean


If you read Roland's comments posted on the C7 site about the 90mm
I wouldn't think you could predict that the Traveler will have it's price
raised
based on the price of the new 90.  Why?  Because the unit cost of the 90
was quite high for its size.

Rich




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In terms of the Stowaway.. is it 92mm or 90mm. At 2400, yes, I believe an
increase in the Traveler price is forthcoming, but only time will tell. I
do like the 85mm Televue very much and would appreciate a comparison if
anyone can do it. I also have a traveler

Todd



thanks!
-Todd

Boston Meteorologist Todd Gross
toddg@...
http://www.weatherman.com
(617)725-0777



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Make that Traveler.... I hate posting to any group when i first wake up =)

Sean

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In a message dated 7/2/99 11:23:40 AM Eastern Daylight Time,
CMUDUDE101@... writes:

> The price is 2400$... Which brings up another question.. Will Roland now
>  Raise the price of the Travelor???

Well, it's got about 27% more light gathering area than the 92mm, but how
that would really effect images, I don't know.
-Rich

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In a message dated 7/2/99 9:56:55 AM Eastern Daylight Time, robhunt@...
writes:

>  it was interesting to see al nagler very close by showing off his 85mm f7
> doublet.  i think if i had been him i might have chosen a spot a little
> further away.

Were you able to compare them directly?
Mike

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In a message dated 7/2/99 9:56:47 AM Eastern Daylight Time, robhunt@...
writes:

<< Is this true, what is the price, how big is the focuser, and can you use
    this with an AP/Baader binoview without a barlow?
   >>
The price is 2400$... Which brings up another question.. Will Roland now
Raise the price of the Travelor???

Sean

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----- Original Message -----

From: Derek Wong

To: ap-ug@egroups.com

Sent: Friday, July 02, 1999 12:02 AM

Subject: [ap-ug] AP 90 EDL

Hi everyone--our group is already over 30 members (including Roland and
Marj) in less than 24 hours!

I put myself on the "list" for a 90mm refractor, and I want to know a
few more specifics.  It seems that people have started to receive these
scopes--they are saying that it is a 92mm f/5 doublet.

Is this true, what is the price, how big is the focuser, and can you use
this with an AP/Baader binoview without a barlow?

Thanks,

Derek Wong

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Wouldn't you have to make the f-ratio a little longer
when using FPL-53 to achieve the same level of
color correction?

Rich

>The EDL is an oiled triplet.  I've heard (unconfirmed) that the middle
>element is not FPL53 but rather Fluorite - not that this makes any
difference
>to the end user as both types of glass can make equally colour free
>telescopes.
>
>-Philip J. Blanda III
>
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In a message dated 7/2/99 12:36:47 AM Eastern Daylight Time,
dawong@... writes:

> they are saying that it is a 92mm f/5 doublet

The EDL is an oiled triplet.  I've heard (unconfirmed) that the middle
element is not FPL53 but rather Fluorite - not that this makes any difference
to the end user as both types of glass can make equally colour free
telescopes.

-Philip J. Blanda III

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Hi Derek,

You can see a picture of the 90mm and quite a bit on
info on the C7 site....

http://www.company7.com/astrophy/refractors/ap90mm.html

Rich



>Hi everyone--our group is already over 30 members (including Roland and
>Marj) in less than 24 hours!
>
>I put myself on the "list" for a 90mm refractor, and I want to know a
>few more specifics.  It seems that people have started to receive these
>scopes--they are saying that it is a 92mm f/5 doublet.
>
>Is this true, what is the price, how big is the focuser, and can you use
>this with an AP/Baader binoview without a barlow?
>
>Thanks,
>
>Derek Wong
>
>------------------------------------------------------------------------
>eGroups Spotlight:
>"Egg and Egg Products" - There's more to eggs than eating them for
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> http://clickhere.egroups.com/click/114
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>
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Hi everyone--our group is already over 30 members (including Roland and
Marj) in less than 24 hours!

I put myself on the "list" for a 90mm refractor, and I want to know a
few more specifics.  It seems that people have started to receive these
scopes--they are saying that it is a 92mm f/5 doublet.

Is this true, what is the price, how big is the focuser, and can you use
this with an AP/Baader binoview without a barlow?

Thanks,

Derek Wong

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