Search the web
Sign In
New User? Sign Up
William-Optics · William Optics Telescope Discussion Group
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Message search is now enhanced, find messages faster. Take it for a spin.

Best of Y! Groups

   Check them out and nominate your group.
Having problems with message search? Fill out this form to ensure your group is one of the first to be migrated to the new message search system.

Messages

  Messages Help
Advanced
Messages 4050 - 4083 of 20543   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
4050
Hi - I would like to add robofocuser to my WO 80mm scope. But from the pictures, I don't see how feasible it is. I know that the robofocus will attach to the...
silenser21
Offline
Apr 1, 2005
3:48 pm
4051
Hi, Just saw the 0.8x Reducer/flattener in the website of a european dealer. Can you confirm that it works with thwe Megrez Triplet Fluorite APO? Waht is the...
José Rola
joserola2000
Offline Send Email
Apr 1, 2005
4:14 pm
4052
I personally do not like to be polemic with people that work hard and I'm sure William Optics is really working very hard in these period of great expansion....
albireo71
Offline Send Email
Apr 1, 2005
5:24 pm
4053
Hi Paolo et al, I have a rather old Celestron Focal "Compressor" (20 years old) and fits a Celestron 8 f/10. When you use the compressor, the focal ratio...
Jandorf, Hal (NAVAIR)
hal_jandorf
Offline Send Email
Apr 1, 2005
6:55 pm
4054
William is not able to make a perfect matched reducer for the Fluorite, why ? To design it perfectly, he would need to know the optical design of the main...
APM-Telescopes Markus...
apmtelescopes
Offline Send Email
Apr 2, 2005
8:58 am
4055
Hi Hal, ... fits a Celestron 8 f/10. When you use the compressor, the focal ratio becomes f/6.3. Is this a "reducer/flattener" that you have mentioned? NO, I...
albireo71
Offline Send Email
Apr 2, 2005
12:26 pm
4056
Dear Markus, dear all, I understand that the bigger the reducer, the better is, but the Megrez now is as it is, with its nice 2" focuser. Making a brand new...
albireo71
Offline Send Email
Apr 2, 2005
12:48 pm
4057
Hi Paolo, you must change your question to : when this compromised reducers will be available. You cannot ask for a optimized one, if he cannot be optimized...
APM-Telescopes Markus...
apmtelescopes
Offline Send Email
Apr 2, 2005
1:00 pm
4058
Markus, I think it's not fair to say he must call it a "compromised" rather than an "optimized" reducer. Even the term "optimal" means "best under a given set...
Craig Stark
celstark
Online Now Send Email
Apr 2, 2005
3:43 pm
4060
All life is perfectible.... My poor question was very simple. There is a televue product on the market that is optimized for about f/7 and works well. I could...
albireo71
Offline Send Email
Apr 2, 2005
7:21 pm
4061
Craig, you compare now apples with oranges, let me tell you why. If you design a apo and you make it as close as possible to the design, then you did your best...
Markus Ludes
apmtelescopes
Offline Send Email
Apr 2, 2005
10:20 pm
4064
... From: "silenser21" > ... From the Canon lens mount to the chip is 44mm, for all Canon EOS cameras. Now you need to add the distance of your particular...
Jose Rola
joserola2000
Offline Send Email
Apr 3, 2005
7:57 pm
4065
hmmm interesting. This means that the reducer will not work with canon 300D cause the 44mm is being taken by the chip to the lens mount. Like you said the...
silenser21
Offline
Apr 3, 2005
11:41 pm
4066
What are the differences. Pros - cons Thanks John...
gripweed44
Offline Send Email
Apr 4, 2005
1:14 am
4067
To relax, I started to split doubles with the Megrez 80 ED on the ol' Polaris equatorial mount. The "seeing" was good Friday night from Thousand Oaks, CA so I...
Jandorf, Hal (NAVAIR)
hal_jandorf
Offline Send Email
Apr 4, 2005
7:05 pm
4068
Hi Guys, After 5 months without pictures, a very bad weather here, I completed my Leo Triplet by more luminance exposures and with the RGB information. The...
Florent Poiget
florent_poiget
Offline Send Email
Apr 5, 2005
12:52 pm
4069
Very Very well done. This is one of the best images of the Leo Triplet I have seen coming from a 4" APO. Congradulations. The image processing is excellent....
Jim Anderson
jamesnanderson
Offline Send Email
Apr 5, 2005
2:18 pm
4070
At first glance, this is a very very nice image of the Triplet, but as I look in closely at the detail you got in each of the 3 galaxies, it is REALLY a...
kurt_friedrich
Online Now Send Email
Apr 5, 2005
6:46 pm
4071
Hi Jim, hi Kurt, Thank you very much for your messages. It was a big work to process it, not for the 80 images of 10min. but for the gradients coming from the...
Florent Poiget
florent_poiget
Offline Send Email
Apr 5, 2005
11:42 pm
4072
Hi, read review at birdforum.net of the 8 x 42 APO bino, any info on when the new version with (quote reviewer Leif) "add phase coatings to the prisms, and...
cristiantaby
Offline Send Email
Apr 6, 2005
6:34 am
4073
Hi Markus, I thought I'd ask these here as others will likely be interested in the answers as well. 1.) To the best of your knownledge, is there going to be...
yenzowdrawde
Offline Send Email
Apr 7, 2005
12:43 am
4074
... From: yenzowdrawde To: William-Optics@yahoogroups.com Sent: Thursday, April 07, 2005 2:43 AM Subject: [William-Optics] Couple questions for Markus Hi...
APM-Telescopes Markus...
apmtelescopes
Offline Send Email
Apr 7, 2005
8:08 am
4075
Thanks Markus, Looks like I need to wait at least until you get the results back from your customer performing the tests. As for the Barlow I don't think I'll...
yenzowdrawde
Offline Send Email
Apr 7, 2005
4:00 pm
4077
Hi Group I just wanted to let whoever is interested that I am selling my WO FLT 110mm refractor on Astromart and the Canadian Astro Buy&Sell. If you are...
Chris Appleton
bingsca
Offline Send Email
Apr 7, 2005
11:56 pm
4078
Gee, if I have two of them, can it work like a pair of binoculars???? What are you asking for your scope? -Jim ... From: Chris Appleton...
Jim Anderson
jamesnanderson
Offline Send Email
Apr 8, 2005
12:10 am
4079
ZZZory gang, meant to send this directly to Chris. ... From: Jim Anderson [mailto:jim@...] Sent: Thursday, April 07, 2005 8:10 PM To:...
Jim Anderson
jamesnanderson
Offline Send Email
Apr 8, 2005
12:15 am
4080
Hi Guys, Thanks again for all your messages. I just posted a new and third version of my Leo Triplet. I reprocessed all the images with the luminance & RGB...
Florent Poiget
florent_poiget
Offline Send Email
Apr 8, 2005
2:16 am
4081
That looks fantastic very very cool almost looks 3D wish I had the time, the funds, the patience and the equipment to do that. Later...
eapodaca1997
Offline Send Email
Apr 8, 2005
8:10 am
4082
Great work , Florent I have to ask : why do you use flattern ? is flt110 field not correct for st10 ccd dimension? clear sky Franco ...
Franco Sgueglia
fsguegl
Offline Send Email
Apr 8, 2005
9:04 am
4083
Hi Ed, yes, Markus was the first one to ask us why so small, and at the beginning he was a bit skeptical himself. Before you are seriously disappointed, why...
williamopticsmarketing
williamoptic...
Offline Send Email
Apr 8, 2005
10:29 am
Messages 4050 - 4083 of 20543   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2009 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help