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Messages 22133 - 22163 of 27737   Oldest  |  < Older  |  Newer >  |  Newest
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22133
Please help out the group by doing the following. Keep posts trimmed so the length does not get out of hand. This really helps those who receive daily...
Refractors@yahoogroup...
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Jul 1, 2007
4:09 pm
22135
I used my WO FLT110 to catch Venus and Jupiter on June 30, 2007 when they were about 1/2 degree apart. I used my trusty old Nikon CP4500 with the screw in...
kurt_friedrich
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Jul 2, 2007
5:14 pm
22136
... and ... seeing ... archromat ... magnification,...
kurt_friedrich
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Jul 2, 2007
5:27 pm
22137
That is a pretty good picture. Not "well composed" I suppose, because there is so much black space between the two objects. But that's what you *see.* I did...
gnowellsct
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Jul 2, 2007
7:24 pm
22138
Definitely off subject but I am letting this one through as possibly of interest to some members. Rich Wood Hi Group. Maybe a bit off topic, but since this...
vanbastenrobert
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Jul 2, 2007
8:01 pm
22139
... Oh don't get me wrong I LOVE the 9.25 it's awesome, but I have a bad back and a 9mm bulge (AGAIN) in my L3 so lugging it out of the garage requires pain,...
Roman Toledo
rtoledo2002
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Jul 2, 2007
11:42 pm
22140
I see what you mean. I'm sorry to read of your troubles. The 9.25 is probably the lightest of the large apertures so you've got that part of it right. I have...
gnowellsct
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Jul 3, 2007
2:04 am
22141
Hi group, I am purchasing a Zeiss ED80/840 Presto lens that I will be building a custom OTA for. I know these are pretty rare, but I don't know much else about...
PJ Anway
pjanway
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Jul 3, 2007
6:15 pm
22142
PJ; You might check with the owner of Alpine Astronomical as he is a Zeiss scope enthusiast and deals in used Zeiss scopes, including finding particular models...
Rich Wood
astronut1001
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Jul 3, 2007
10:23 pm
22143
Jack, There are four types of optical glass surface you are likely to come across: uncoated bloomed soft multi-coated hard multi-coated and whilst you can...
Chris Lord
cjrlord
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Jul 4, 2007
9:31 am
22144
... I usually go gooooooooo when I see those 14" Celestron on display at Scope City as well as the 16" Meades but that's defenetly not for me. (unless I hit...
Roman Toledo
rtoledo2002
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Jul 4, 2007
5:41 pm
22145
... What is "bloomed" surface? Vahe...
vahe352
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Jul 4, 2007
5:52 pm
22146
Roman; Take a look here at the review of the new ultralight Obsession UC 18" on Cloudy Nights. It might give you some ideas for your own project. ...
Rich Wood
astronut1001
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Jul 4, 2007
10:12 pm
22147
I picked up an old oak surveyor's tripod and am looking for an equitorial mount to put on it. Something light but solid for maybe a 3 inch Tele Vue or so. Does...
superstring_zen
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Jul 5, 2007
3:08 pm
22148
Universal Astronomics sells a number of adapters to mount various equatorial mounts to their surveyor's tripod. You might check out what they offer. I...
Rich Wood
astronut1001
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Jul 5, 2007
5:34 pm
22149
I would go for a Super Polaris mount from Astromart. That handles the 80mm class quite nicely. The question of how to do the adapter is a problem, but I...
gnowellsct
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Jul 5, 2007
6:50 pm
22150
... Thanks Rich I saw it a couple of day in another group I lurk in, I agree that this group sometimes gets OT / OS but it's one of my favorite groups I learn...
Roman Toledo
rtoledo2002
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Jul 5, 2007
11:14 pm
22151
Check the new photos. They are of Superapo, a relatively unusual scope in the U.S. Four element APOs are not that common, excluding Petzval designs. A...
Rich Wood
astronut1001
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Jul 6, 2007
9:19 pm
22152
Hi Rich, There is a Astreya forum at astroclassifieds. There was a lot of Q & A's I did with Andreya there and offers some good info. I personally know of...
Jim F
jgfusco3
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Jul 7, 2007
8:27 pm
22153
To: John from TV Is the Ethos field stop internal (like on Naglers) or external (like on Panoptics). I would suspect that it is internal but would like ...
Rich Wood
astronut1001
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Jul 7, 2007
8:55 pm
22154
Anyone have any info/experience with ATCO refractors? I have one labeled "ATCO Astronomical Telescope D=76.2 F=1250 Japan Circle-K". Its from the 50's or 60's....
John R.
ras_president
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Jul 8, 2007
12:27 am
22155
John; The "Circle-K" on the scope indicates the actual Japanese manufacturer was Kasai, better known, at least in the U.S., as an eyepiece manufacturer. They,...
Rich Wood
astronut1001
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Jul 8, 2007
8:10 pm
22156
A Google search for "ATCO refractor" turned up several entries, including postings on CN forums about ATCO refractors, most for 60mm units. Apparently they...
Rich Wood
astronut1001
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Jul 8, 2007
8:28 pm
22157
Who makes the best say 75-80mmm planetary/bird scope for the money these days....
superstring_zen
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Jul 9, 2007
3:30 pm
22158
... The TV76 would be a good choice. Some folks might prefer a longer focal length for lunar and planetary viewing, but it is tough to manage a long scope for...
Alan French
alandfrench
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Jul 9, 2007
5:58 pm
22159
Also take a close look at the Stellarvue 80S APO triplet. As a triplet it should have slightly better color correction than the TV doublet, at least...
Rich Wood
astronut1001
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Jul 9, 2007
6:45 pm
22160
Pentax has an 80mm birding scope that has been in the U.S. for some years and which also gets the acclaim, apparently, of the astronomical crowd. But I've...
gnowellsct
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Jul 9, 2007
7:45 pm
22161
APM/TMB also has at least one 80mm scope which is supposed to be excellent. I suspect that any of the mentioned items from TV, SV, Pentax or APM/TMB would be...
Rich Wood
astronut1001
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Jul 9, 2007
9:18 pm
22162
... I would keep my eyes open for a used Tak FC-76. IMO, the smaller FC series were the best doublets ever produced. A little long at F/8 for birding though,...
tommack7882
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Jul 9, 2007
10:08 pm
22163
On second thought, think the Pentax might be 76 or 75mm. greg n...
gnowellsct
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Jul 10, 2007
3:37 pm
Messages 22133 - 22163 of 27737   Oldest  |  < Older  |  Newer >  |  Newest
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