Vahe: I don't know, I haven't looked through a TV 55mm Plossel but I would assume it would be comparable. John ... [Non-text portions of this message have been...
We can supply you with the USD3 Instruction Booklet which is basically the same as the 2. The Temma conversion requires soldering the encoders and motor...
... Actually it is fairly new <g>. Tak uses a non-sequential numbering system. The first two digits is the year of manufacture. So it is just turning 7 years...
... Serge, My current most-used eyepiece on the Mewlon 250 is the 26mm Nagler Type 5. Second is the Nagler 16mm Type 5. Both do well at those magnifications...
Hi, I just added a CCDInspector analysis of the ST-2000XM at "prime focus" of the Mewlon 180, to go along with the Focal Reduced/Corrected version, in case...
Serge, I believe someone raised this same question a couple months ago. If my memory serves me, I believe the consensus of those responding seemed to be that...
Hi, As you can see from the images I uploaded to the "Jim Mewlon 180" folder -- http://tinyurl.com/yuze34 -- I've been able to dial in the collimation of my...
Wondering if anyone can help in getting a copy of the manual for Takahashi EM 200 USD (non-GOTO) mount. Photocopy of someone elses would be fine. Mike Cole ...
... I do also use the Pentax 40mm XW and Pentax 10mm XW with the Mewlon 250. The 10mm XW is outside of the magnification range requested, but performs quite...
Jim, if you haven't removed the primary or the adjusted the spider there is something wrong. those push screws on the secondary should look about the same as...
Sorry for jumping in a little late but I was hoping Neil would answer whether his CCDInspector shots of the TOA150 are with or without a flattener. If no...
... Jim, I can't speak to the M180 situation, because I do not own one; but I can tell you that, on the recently-arrived Mewlon 250, there is indeed a similar...
Serge, I typically used a Baader Mk5 binoviewer and high-end orthos with my M300. Even the 34's revealed well corrected star points close to the very edge. ...
pandrolmb@...
Aug 1, 2007 7:14 pm
42744
We have an EM-10 USD II instruction tha is the same as the EM-200 USDII as far as the motor control is concerned. Art Ciampi ... From: mrcole@... To:...
Please contact us and speak to Fred, he is the Mewlon expert who can help you. Art Ciampi ... From: Clinton Van Noy To: UncensoredTakGroup@yahoogroups.com ...
If you live in the US we can repair it. Art ... From: Jim S. To: UncensoredTakGroup@yahoogroups.com Sent: Wednesday, August 01, 2007 1:39 PM Subject:...
The primary on the M250 has no collimation adjustments behind the rear cover ... I ran into this problem with the M300, but I WAS able to re-collimate the ...
Hi to the list, I've just bought a second hand MT 160 Takahashi newtonian, I've had it collimated on an artificial star by my local astronomy shop, but I'd ...
... That's interesting... But, as far as I can tell, not for the usual "tilt" adjustment -- is that correct as far as you all know? And, perhaps centering all...
... correct as far as you all know? Well, for Cassegrains with spherical mirrors what looks like tilt actually is just centering. Picture a ball rolling...
Oliver, I have an MT-200, and am in the same boat - no manual. I did have Fred at LSS help walk me though a collimation. I would be happy to share with you...
Gregory, I went through hell and back trying to get my M300 collimated when the secondary alone, no matter how it was positioned, wouldn't quite get the job...
pandrolmb@...
Aug 2, 2007 1:53 am
42754
A question on Mewlons in general ... for visual use ... I know at f/12 they are not widefield scopes but, how low in mag. can you go before visual vignetting...
In the near future we will have carbon fiber tube available for M-300's. Further, Takahashi has agreed to use carbon fiber tubes for new Mewlon-300's. We will...
... And a f/6 Newtonian is? What if it has a 20" primary? ... coma? I use a Tak 50LE with a M250. This gives me 60X and roughly a 1 degree FOV. From a recent...
Has anyone successfully used Polarisfinder 1.4 on a pocket pc (IPAQ)? I use the Pocket Sky and would also love to have this app available on my handheld. I...
... Yup. The f/6 will show wider field with same aperture, assuming the optical path isn't vignetted before the eyepiece. Hmm ... I did a quick estimate ... ...
... can you go before visual ... Rob, In case you missed the recent (very long) thread on nearly this subject, see this posting of mine in the midst of it: ...