... Hi Jakes, Wayne pretty much says it all, the chances of your lens going out of internal collimation are extremely slim. The only lenses I had to take back,...
29538
tmboptical
Jan 4, 2006 4:46 pm
... have ... Hi Olaf, Every Barlow has its optimum Barlow element to the eyepiece's field lens distance. So, at a very small level, you are going to add some...
29539
Dan Kaplan
dkapla12
Jan 4, 2006 5:43 pm
Hi, Jim. It's still cloudy not too far north of you, in the Wash DC area. I haven't been able to take the scope out for at least a couple of weeks now, and...
29540
maxwebhead@...
buddyinny
Jan 4, 2006 10:53 pm
Hi Thomas you once commented to me that the 41 TV Pano was a very good EP, How does the TMB 40mm Paragon stack up to the pano? THX Buddy IN NY ...
29541
tmboptical@yahoogroup...
Jan 4, 2006 11:07 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the tmboptical group. File : /Jim...
29542
Michael Howell
a1parkranger
Jan 5, 2006 2:33 am
Hi Peter, Ok, if I understand you correctly SBIG figures give 3mm thicknesses for both the "window" and SBIG "filters" (Assuming Astrodons are similar...
29543
Tube Tim
limunary
Jan 5, 2006 2:43 am
... Isn't this really curvature of field and not coma? Tim...
29544
erdmanpe
Jan 5, 2006 3:11 am
Sorry, I certainly screwed something up there. The correction to the optical path difference must be a fraction of the window thickness, not a multiple of of...
29545
Tube Tim
limunary
Jan 5, 2006 4:44 am
... It's good to hear you're having some clear skies and that Mars is still showing detail. The Mars image looks pretty good. ___ Tim...
29546
Terry Tuggle
terry_tuggle
Jan 5, 2006 7:02 am
Jim, Nice image, Mars is definitely on the decrease. Nice job on all of your Mars images through this opposition, Terry _____ From: tmboptical@yahoogroups.com...
29547
tmboptical
Jan 5, 2006 7:29 am
... While the Pentax 40mm XL is an excellent eyepiece, there is a large gain in off-axis sharpness in the TMB 40mm SWA Paragon eyepiece. Also, the eye...
29548
tmboptical
Jan 5, 2006 7:34 am
... Hi Buddy, Due to reasons I can't talk about, I will not comment on the TMB 40mm Paragon vs. the 41mm TeleVue Panoptic. I will say this, however. I am...
29549
jakesmango
Jan 5, 2006 1:54 pm
... Hi Thomas... In other words, the only way for the 4" TMB lens cell triplet elements to get decentered is when heavy shock cause the heavy glasses to deform...
29550
mantrogo
Jan 5, 2006 1:55 pm
Hiya Lousy news on the disc - my sympathies, not at all nice - but great news on the Paragon! Any more details on the focal lengths for these eyepieces /...
29551
Guilherme de Almeida
guilhermedealmeida@...
Jan 5, 2006 1:55 pm
Hi, Thomas Back Will the 40 mm Paragon eyepiece be available at APM Markus Ludes (as long as I live in Europe) ?? Good health and quick recovery from your...
29552
kentblackwell
Jan 5, 2006 3:25 pm
Well, dear folks, I only bought the TMB 80/600 refractor a couply of months ago merely for shooting solar eclipses, but I'm quite pleasantly surprised at it's...
29553
jimhp29401us
Jan 5, 2006 5:26 pm
Another Beautiful image Kent! Congratulations. Very impressive! Jim Phillips ... of ... pleasantly ... fine ... stacked. ... experience...
29554
tmboptical
Jan 5, 2006 6:19 pm
... (as long as ... Guilherme, Well, Markus is going to be selling my new 60 degree Planetary eyepieces, so I am almost sure he will be selling my new 68 ...
29555
tmboptical
Jan 5, 2006 6:20 pm
... Hi Jakes, Yes, the only way the triplet elements will get decentered is with a heavy shock. It displaces the elements inside the cell, and could even...
29556
tmboptical
Jan 5, 2006 6:37 pm
... Hi Sam, Thanks so much for all your well wishes for me, that is very nice of you. About the new Paragon eyepieces, they will start with the 40mm, at...
29557
Mike Rosseel
mrosseel
Jan 5, 2006 6:53 pm
... Hi Kent, I'm buying a TMB 80/480 for the solar eclipse, could you explain your reasoning (why the 600 and not the 480) ? Coupled with a D70 and a 1.1x I...
29558
Michael Howell
a1parkranger
Jan 5, 2006 6:53 pm
Peter, Ok, I went back to the mechanical drawings that you referenced on the SBIG site and it seems that the focal plane is shortened by 0.089 inches or 2.26mm...
29559
kentblackwell
Jan 5, 2006 7:58 pm
I shot last year's South Pacific solar eclipse with a borrowed Williams 480mm f/6 setup, similar to what you plan to use. I assume your Nikon D70 is 1.5x, and...
29560
jturner44uk
Jan 5, 2006 8:46 pm
Dear Tom, As one of the overseas "faithful"; (UK) you already have my order :) Can you remind me what focal lengths will be 1.25" and 2". I would like to...
29561
maxwebhead@...
buddyinny
Jan 5, 2006 9:20 pm
Hi thomas thats good enough for me Thanks& hope your neck feels better soon Best Regards Buddy in NY ... Thomas Back << ...
29562
Terry Tuggle
terry_tuggle
Jan 5, 2006 10:10 pm
Kent, That is a nice image for just five minutes of exposure. Well Done, Terry _____ From: tmboptical@yahoogroups.com [mailto:tmboptical@yahoogroups.com] On ...
29563
jakesmango
Jan 5, 2006 11:57 pm
... <TMBoptical@a...> ... were ... dropped ... Hi Thomas, Well. Since the elements are secured by holder rings. When the elements get decentered. You mean to...
29564
mrgrytt
Jan 6, 2006 5:39 am
... Jakes, If I may ask, what do you think messed the lens up? What do you see that indicates there is a problem? If the lens has a problem and you want to...
29565
burtcureton
Jan 6, 2006 2:20 pm
I have enjoyed this group very much and learned a lot. I thought I might make a small contribution of an observing report with my TMB100/8 CNC. I bought the...
29566
Mark
msholdenct
Jan 6, 2006 3:56 pm
... Hi Jakes I expect it's "possible"; your lens elements could be knocked out of alignment without damaging the cell. But as long as you take reasonable...
