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Messages 29398 - 29427 of 30165   Oldest  |  < Older  |  Newer >  |  Newest
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29398
... I can only speak to the SDUF. That is good in the red (I used it mostly for HAlpha) but worse in the blue, as the graphs show. Drew S....
ancient.sull
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Jun 1, 2009
4:20 pm
29399
Hello fellow Refractor Enthusiasts, I am planning on taking my recently acquired Pronto (70mm F/6.8 ED refractor) on vacation at the end of the month to the...
Hank Sielski
Hank_Sielski
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Jun 3, 2009
9:16 pm
29400
Hank, I have both the TV 8x24 zoom and the Hyperion 8x24. Comparing the two for sharpness, it is a wash. I have not done a critical comparison but under the...
Charles McNiss
cmcniss
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Jun 4, 2009
12:43 am
29401
Hi Hank, I use a Baader Hyperion 8-24 mm zoom with an AstroTelescopes 80mm f/7 ED refractor (and other scopes, too). The Baader has very good optics, comes...
Ralph Aeschliman
roaesch
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Jun 4, 2009
1:57 am
29402
The only zoom eyepiece with comparable field of view to the Hyperion I am aware of is the Zeiss zoom eyepiece. It is a lot more expensive and requires a Zeiss...
Rich Wood
astronut1001
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Jun 4, 2009
2:38 am
29403
Any opinions about the Pentax 6.5mm - 19.5mm XF as an alternative to the Hyperion?...
ancient.sull
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Jun 4, 2009
4:46 pm
29404
Rich, Charles, Ralph, Thanks for the advice...I'll start looking into deals on the Baader (and maybe the TV - sounds like both may have some advantages) to see...
Hank Sielski
Hank_Sielski
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Jun 4, 2009
6:10 pm
29405
Drew, This does look interesting. Only problem for me is that new, its 50% more expensive than the Baader (or TV) right now. But still, I'd be interested to...
Hank Sielski
Hank_Sielski
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Jun 4, 2009
6:14 pm
29406
The Pentax is listed as 42 - 60 Degrees FOV. The Baader lists 50-68 degrees What's the FOV for the TV? The Pentax is also shorter in FL although there is...
ancient.sull
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Jun 4, 2009
7:20 pm
29407
Dew, I believe that the TV is 40 - 67 (or 68?) Degrees (at 24mm and 8mm FL respectively) see: http://www.astrosurf.com/luxorion/reports-tvzoom.htm The main...
Hank Sielski
Hank_Sielski
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Jun 4, 2009
8:22 pm
29408
The best buy IMHO is the Celestron 8-24mm zoom eyepiece. Don...
glasspusher2001
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Jun 5, 2009
3:08 am
29409
Hi Hank, I used the TV for months and still enjoy the convenience sometimes. Google is your friend http://www.birdphotography.org/show.php?threadid=73582 ...
Divenuts
pins4fins
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Jun 5, 2009
10:03 pm
29410
Hank, I'll have to agree the Baader Zoom Hyperion is a great eyepiece. I especially like the very smooth zooming action and the option to use it as a 2"...
John McVey
jmcvey_boise
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Jun 6, 2009
3:50 am
29411
Hank, I own both the TV 8-24 and Baader 8-24. Of the two the Baader is slightly better optically and offers a wider field. However the Baader has a size and...
David
z32lunacity
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Jun 9, 2009
12:10 am
29412
Hi Guys, The older non-click TV is the one I had and the optics were superb for a ZOOM....equal at some mm to fixed eyepieces. My 2¢ Chuck/divenuts ... From:...
Divenuts
pins4fins
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Jun 9, 2009
4:07 am
29413
Hey, I agree with Chuck. I have the TV non-click 8-24mm zoom, as well.  Super-good, highly versatile  EP. I've never bought another zoom in that FL range. ...
Perry Holcomb
hpholcomb
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Jun 9, 2009
1:57 pm
29414
Does the Baader 8-24mm zoom equal a Televue fixed focal length plossl or UO ortho? Convenience is nice but it must add up to a set of good eyepieces or no dice...
glasspusher2001
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Jun 9, 2009
5:23 pm
29415
Hi David, Yes, I am a bit concerned at the larger size of the Baader, but as I'm already using (and planning to travel with) two other 2" sized EP's (a Nagler...
Hank Sielski
Hank_Sielski
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Jun 9, 2009
5:58 pm
29416
Don, It was the eyepiece I had in my SV90T Fluorite when I split Sirius back in February. David...
David
z32lunacity
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Jun 14, 2009
4:37 am
29417
Just saw that APM has a Meade series 5000 - 127mm - triplett APO listed on their site at $2,000. This model is not even being shown on the Meade web site any...
warpedcorp
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Jun 15, 2009
8:41 pm
29418
... There have been some posts on what appears to be the same apo but under the Astronomy Technologies (AT) brand on Cloudy Nights. AT no longer sells these...
Mark Vincent Costello...
markvcostello3
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Jun 15, 2009
9:02 pm
29419
The one sample I saw had large SA, the color correction in my mind barred it from being a true apo.  YMMV   Chris ... From: warpedcorp <warpcorp@...> ...
chris provost
lineman_16735
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Jun 15, 2009
9:17 pm
29420
Some "similar" 127mm scopes were being sold at NEAF a couple of years ago including the case, finder and rings with handle built-in, if my memory serves me...
George
saarmason
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Jun 16, 2009
3:35 pm
29421
I should add this was not an offering directly from APM. ... From: chris provost <lineman_16735@...> Subject: Re: [Refractors] Meade 127mm Series 5000 ...
chris provost
lineman_16735
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Jun 16, 2009
5:33 pm
29422
... The sample I bought to look what chineses were able to make in triplet APOs category, has a severe coma. It also has a big valley at the center. After it...
Valery Deryuzhin
ntvru
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Jun 17, 2009
8:25 am
29423
Greetings. Hoping someone can shed some light on this problem. I have a Skywatcher Black Diamond ED120 Refractor. When the scope is in the vertical or close to...
gavin.buckle
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Jun 17, 2009
9:34 am
29424
All Educational Information at one place... http://tinyurl.com/co3t32 Wanna Study Abroad jst spend couples of minute’s n apply, it’s for FREE . . . ...
kunal singh
kunal_singh1...
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Jun 17, 2009
2:34 pm
29425
All Educational Information at one place... http://tinyurl.com/co3t32 Wanna Study Abroad jst spend couples of minute’s n apply, it’s for FREE . . . ...
kunal singh
kunal_singh1...
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Jun 17, 2009
2:35 pm
29426
I haven't seen Yahoo spam in a long time. Requiring moderator approval to join with a one sentence justification seems to work real well in weeding spam out. ...
gnowellsct
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Jun 17, 2009
5:20 pm
29427
Yours is the most strenuous test you can put on a focuser--under load in vertical position, and a DSLR is pretty heavy. You can try messing around with it or...
gnowellsct
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Jun 17, 2009
5:46 pm
Messages 29398 - 29427 of 30165   Oldest  |  < Older  |  Newer >  |  Newest
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