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Messages 29507 - 29536 of 36598   Oldest  |  < Older  |  Newer >  |  Newest
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29507
Thanks for the information. Pricy, but B+W makes the very best in filters. Kent ... more sizes ... [mailto:tmboptical@yahoogroups.com] On ... 20Da ... post ......
kentblackwell
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Jan 1, 2006
6:29 pm
29508
Dear Eric, I think we met at CSP, hanging out next to ?Jim? and his TMB 175. I will be getting a new AP900GTO in about 3 months, which will be pier mounted in...
stardoctor5
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Jan 2, 2006
1:23 am
29509
hi folks, what kind of flat field corrector for my 4" f/6 tmb apo would U reccommend? why? look here: ...
sterngucker_7000
sterngucker_...
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Jan 2, 2006
4:03 pm
29510
I have the same question for my TMB 175 f-8. Which flattener/focal reducer for an ST-8, and where do I find one? STU...
sforster12
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Jan 2, 2006
5:00 pm
29511
Dietmar, TMB sells a dedicated flat field corrector for both scopes. Terry _____ From: tmboptical@yahoogroups.com [mailto:tmboptical@yahoogroups.com] On Behalf...
Terry Tuggle
terry_tuggle
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Jan 2, 2006
5:03 pm
29512
STU, At present, TMB does not make a reducer. There was once plans for getting some reducers made by Markus, which has not happened. I have the WO APO .8x...
Terry Tuggle
terry_tuggle
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Jan 2, 2006
5:22 pm
29513
Terry, thanks for information. I used a williams optic 0,8 reducer on the 5" tmb of a friend of mine. see yourself: I cannot reccommend this item! ...
dietmar hager
sterngucker_...
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Jan 2, 2006
5:40 pm
29514
Dietmar's image shows aberrations at the edges. Do you have any experience with the reducer at longer focal lengths. I've gotten feedback that different focal...
sforster12
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Jan 2, 2006
6:21 pm
29515
... The FF design for the TMB 175mm f/8 field flattener design to Markus back in May, 2005, see msg # 25164. Perhaps Markus has an update. ___ Tim...
Tube Tim
limunary
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Jan 2, 2006
10:11 pm
29516
Yes indeed! Thanks very much! Ordered. Jim Phillips ... really ... Photo, ... is ... <thefamily90@h...> ... for ... know ... Field ... field ... acquired ... ...
jimhp29401us
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Jan 2, 2006
10:22 pm
29517
On Optec's website there is a comparison between the Canon 20D and 20Da for daylight imaging. Basically if look VERY carefully you can see minimal difference....
jimhp29401us
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Jan 2, 2006
10:26 pm
29518
... This is not exactly correct. For an optimal design of an FF or FR one should design on a per objective basis. See posts #19611 and #19619 and #18231 in...
Tube Tim
limunary
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Jan 2, 2006
10:48 pm
29519
Tim, I'm looking for a reducer too. The final ratio of F 7.66 isn't enough reduction. STU ... one?...
sforster12
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Jan 2, 2006
10:52 pm
29520
Hi Terry, My Canon lens uses a 77mm filter. Jim Phillips ... more sizes ... [mailto:tmboptical@yahoogroups.com] On ... 20Da ... post ... for ... TMB ... a ... ...
jimhp29401us
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Jan 2, 2006
10:53 pm
29521
Dietmar, The TMB 130's are F6, the data with the reducer said F7 to F10 scopes. What backspace did you use for this image? I was not able to find a direct ...
Terry Tuggle
terry_tuggle
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Jan 3, 2006
12:27 am
29522
STU, That is right, Michael has used the .75 reducer with his 180, he is not on the list anymore but you could contact him directly. I am sorry I can't more...
Terry Tuggle
terry_tuggle
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Jan 3, 2006
12:36 am
29523
Jim, They have all sizes at Adorama. I was mentioning these sizes because of his reference for the TMB 80. Terry _____ From: tmboptical@yahoogroups.com...
Terry Tuggle
terry_tuggle
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Jan 3, 2006
12:58 am
29524
... Hi Ruben I've used a Nikon D70 on Jim's 175/AP900 setup, and it worked fine for exposures of up to about 3 minutes without guiding. I'm sure we could go...
Mark
msholdenct
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Jan 3, 2006
1:02 am
29525
... I went to the Canon website: http://www.canon.co.jp/Imaging/eos20da/index.html and pulled down their day time images. With PhotoShop, an auto color ...
Tube Tim
limunary
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Jan 3, 2006
3:44 am
29526
I'm not certain what you mean by "close-focus", but you mention trying to achieve the proper spacing between the TV-FR and the CCD detector. The distances...
erdmanpe
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Jan 3, 2006
4:04 am
29527
Hello All, As you may know, I have been on a "working" vacation (I will open on Wednesday the 4th), to get out the last six TMB apos telescopes out to my...
tmboptical
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Jan 3, 2006
7:19 am
29528
Terry, thank U! I use a starlight express h9c - for which is no ffc necessary. but for my starlight express sxvm25c it is essential, cos chipo size is giantic!...
dietmar hager
sterngucker_...
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Jan 3, 2006
2:32 pm
29529
Tom: How does it compare with the PentaxXL 40mm? ... From: tmboptical To: tmboptical@yahoogroups.com Sent: Tuesday, January 03, 2006 2:17 AM Subject:...
dennis
temper999
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Jan 4, 2006
12:36 am
29530
Peter, I define "close focus" as the focus drawtube cranked in all the way against the focus housing. Can't get any closer to the objective. The NP101 with...
Michael Howell
a1parkranger
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Jan 4, 2006
2:58 am
29531
... Happy New Year Tom, (and all) Sorry to hear about your continued neck problem, man this is to bad. The new 40mm sounds like a real winner, congratulations....
Tube Tim
limunary
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Jan 4, 2006
3:00 am
29532
Dear Jakes, As a long time member of this group, and long time owner of TMB products, let me chime in here to say a few things: Message: 9 Date: Sat, 31 Dec...
Wayne G
missyy9
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Jan 4, 2006
5:27 am
29533
I've never tried the FR on the 101, so I can't say that I've seen it come to focus. If you have already tried longer spacers, then that wouldn't seem to be...
erdmanpe
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Jan 4, 2006
6:11 am
29534
Greetings! I am using a TMB 1.8x Barlow with my OMC-140 (f/14.3) for planetary imaging. But the 1.8x factor is not enough, so i used to extend the barlow to a...
Olaf
staberinde2003
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Jan 4, 2006
2:29 pm
29535
Hello Everyone, By gosh I looked outside last night and the sky had cleared off. I checked the Clear Sky Clock and it predicted "average" seeing for most of...
jimhp29401us
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Jan 4, 2006
4:10 pm
29536
... Hi Tim, Yeah, it is a real bummer. But I feel a lot better today. Thanks for the congratulations on the new eyepiece line. Through your TMB 9" f/9, I think...
tmboptical
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Jan 4, 2006
4:28 pm
Messages 29507 - 29536 of 36598   Oldest  |  < Older  |  Newer >  |  Newest
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