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Messages 7133 - 7170 of 9957   Oldest  |  < Older  |  Newer >  |  Newest
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7133
... Larger true field of view at low power, as previous mentioned, is a major plus for the 2-inch. My 1.25" TV 32mm Plossl gives a true field of 1.3 deg in my...
John Alsobrook
also_nc
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Feb 1, 2009
8:39 pm
7134
... I was first active in amateur astronomy as a teenager. My first telescope was an Edmund 4.25" Newtonian, which came with a 28mm "Kellner" eyepiece. A few...
Geoff Gaherty
gahertyg
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Feb 1, 2009
9:00 pm
7135
I am unable to get my image into focus, I am using a 1.25" camera adapter(barrel), attached with a t-ring to a pentax(old) 35 mm camera, 10 mm Plossl...
Dennis Merkle
m3rkiejr
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Feb 1, 2009
9:06 pm
7139
... No, this was a couple of decades before the RKEs were introduced. The Edmund 28mm "Kellner" was made from war surplus lenses in a black anodized aluminum...
Geoff Gaherty
gahertyg
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Feb 2, 2009
11:55 am
7140
I have a similar setup, with the same problem, and that without adding the extra complexity of using an eyepiece. The focuser supplied with the 8" reflector...
Wayne Lord
star_geezer
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Feb 2, 2009
6:38 pm
7142
Hi Along with my XT10i I also own a starblast. I think it has excellent optics for it's size. I would like to put it on a solid mount that will track. The...
Garry
garrybk
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Feb 3, 2009
2:16 pm
7143
Wayne, Geoff said his 28 was a four element eyepiece the RKE is a three element variation of the Kellner. A Kellner has a cemented doublet eye lens and a...
David
z32lunacity
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Feb 6, 2009
3:37 am
7144
Cheapest way to get a tracking mount for the 4.5" StarBlast would probably be to buy either a EQ-1 or EQ-2 GEM mount from Orion and then buy their tracking...
Terry Hannan
thannan636
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Feb 6, 2009
8:29 pm
7145
Brand new CG-5 with motors under $300 shipped in the US. ebay item 380096506463 ... will ... don't ... my ... will...
Franciszek Cesarski
tincanandstring
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Feb 6, 2009
8:54 pm
7146
Thanks for all the replies. A lot of technical stuff in some of the replies that was interesting but a bit over my head in terms of my current knowledge. It is...
Ted Moskal
tmoskal2001
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Feb 7, 2009
8:53 am
7147
For anyone who may be interested, I have posted a preliminary review of the Orion 190mm Maksutov Newtonian OTA on my website: ...
Mike Borman
mfborman
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Feb 7, 2009
4:58 pm
7148
I'm looking for a used 8 inch Orion Dob with intellscope. I'm just starting out and wounder if this is the right size and if going used is the right way to...
aristos42
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Feb 8, 2009
12:36 am
7150
Hi, I was looking into getting back into the hobby and knew the XT8 was the way to go. I was on Orion's site when i stumbled across the new Sky- Watcher 8" Dob...
realspacedout
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Feb 8, 2009
4:36 am
7154
Just starting using my XT8(8 inch tube dob) that I bought from my sister. I have other scopes such as an 8" SCT and a Truss bigdob. But for those, cool down...
Chuck M.
turandot0
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Feb 9, 2009
5:24 pm
7155
Hello, I am new here and I´d like to know if someone is using the Newton SPX 250 f 4.8 with the Vixen mount Sphinx SXD as a transportable telescope, and how...
joseluisnewton
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Feb 9, 2009
7:43 pm
7156
... I cap my XT10i (and its finder) before bringing it inside the house. I also stretch a shower cap over the bottom end of the tube. Once inside, I let it...
John Alsobrook
also_nc
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Feb 10, 2009
5:00 pm
7157
Hi Group, Stellarvue has just introduced a new 80mm f/6 Apo Triplet scope to replace the LOMO SV80S. The new scope is called the SV80ST. Right now Vic is...
David
z32lunacity
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Feb 12, 2009
4:33 am
7158
Donnie, have you tried the AccuFocus yet? I am trying to decide which scope to mount it on, I guess I should have bought two during the January sale... Frank ...
Franciszek Cesarski
tincanandstring
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Feb 12, 2009
3:06 pm
7159
Frank: I almost bought one during the January sale. I'm still giving some thought to purchasing one but I really wanted to talk to someone who had actually ...
Donnie Garrett
dg869500
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Feb 12, 2009
3:19 pm
7160
Frank: The first thing I need to do is make sure my Orion 80ed f/7.5 Crayford focuser will handle my Orion Star Shoot II CCD Monochrome Camera's weight without...
Donnie Garrett
dg869500
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Feb 12, 2009
3:28 pm
7161
The instructions supplied mention that it fits "most" scopes, but does not list which it does or doesn't. I see that the mounting bracket has a number of holes...
Franciszek Cesarski
tincanandstring
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Feb 12, 2009
4:34 pm
7162
Mike, since this subject has arisen again, I wanted to comment on your observation below. The focuser mounting bracket bolts to the rectangular plate present ...
Franciszek Cesarski
tincanandstring
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Feb 12, 2009
5:09 pm
7163
I'm of the opinion that the Accu Focuser fits the standard R&P focuser used on the Orion Astroview 100mm f/6 Achro Refractor and also the Orion ST-120 their...
Donnie Garrett
dg869500
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Feb 13, 2009
1:21 am
7164
Frank, I used the Accufocus for awhile with the 190mm Mak-Newt by making my own bracket to hold it up against the focuser knob. It only used one screw however...
Mike Borman
mfborman
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Feb 13, 2009
12:55 pm
7165
Mike, I have a manual low profile Moonlite on an 8 inch Newt, I wonder if I could fit the Accufocus on it? Frank ... my ... one ... nearest...
Franciszek Cesarski
tincanandstring
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Feb 14, 2009
1:00 am
7166
If Orion announced these videos I hadn't heard it. They look like an excellent reference to pass along to anyone who asks what type telescope should I get,...
John Alsobrook
also_nc
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Feb 14, 2009
6:40 pm
7167
The most commonly recommended beginner's Dob is about 8" f/6 - 1200mm. My "shoulder surgery" Dob is 6" f/8 - also 1200mm. The original Meade ETX Mak-Cass, a...
Franciszek Cesarski
tincanandstring
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Feb 16, 2009
1:57 am
7168
... There is nothing quite like a classic achromatic refractor! When I was a teenager, I had access to a wonderful 110mm f/15 Zeiss achromatic refractor, and...
Geoff Gaherty
gahertyg
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Feb 16, 2009
2:51 am
7169
That Zeiss must have been awesome, Geoff. Do you still have your 2" f/25 Jaegers? Frank ... was...
Franciszek Cesarski
tincanandstring
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Feb 16, 2009
2:15 pm
7170
... No, I gave it to a friend to make a dedicated solar telescope. It really was too small an aperture for anything else. If I ever see a classic 3"...
Geoff Gaherty
gahertyg
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Feb 16, 2009
3:03 pm
Messages 7133 - 7170 of 9957   Oldest  |  < Older  |  Newer >  |  Newest
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