Hi Matt Check the Photos section of Yahoo Chinese Achromats for a couple of comparison images through my 6" F/8 using a Fringe Killer and without. I intend to...
... that when the Meades are well adjusted, they can perform very well. The TEC 140 gave maybe slightly crisper images on extended objects like Jupiter and the...
Hi Everyone, Yesterday I mentioned here that I was expecting the Orion 100mm ED in to mount with my 80mm ED. Michael Downing asked me to report on it, so here ...
... the ... products ... Celestron, ... Roland, I agree 100% with your comments! It is the age old proverb "you pay for what you get!" I have looked through a...
... sure you do not remember me, but I sat at the same table with you at the 1982 Astro. League Convention in Peoria, IL. I had a great time talking with you...
Hello, this is the first time that I have contributed to a discussion on this group so first, a Big Hi to all you refractor lovers out there and thanks to...
hi well said and good reading...actually checking on astromart they don't go up for sale very often..i think the last one for sale there was like 15 months...
hi the scope seems to be out of collimation...not sure what the three spikes are....it's not usual for a refractor...try collimating the scope and running a...
I like that, well said John Thanks Michael Downing www.astroden.com ... From: lauspierre [mailto:john.cameron@...] Sent: Tuesday, February 01, 2005 2:31...
I've looked through several Meade "APO"s, 4 inches through 6 inches. They can show nice planetary detail. I hope Roland will make more 7" and larger APO now...
rnapo
rnapo@...
Feb 2, 2005 1:31 am
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... wrote: and for the $3000 dollars that it cost, it must be one of Astronomy's bargain buys. Compare this with $30,000 dollars for a 7" Astrophysics (if you...
... NO! It's NOT collimation. It's the three spacers that protrude into the light path and produce diffraction effects just like a spider would. Also, the lens...
... into ... the ... I'm curious Roland, how can one tell the turned edge from insufficient correction for chromatism in the objective (eg. blue halo around...
... I think it was the fact that the star wasn't centered in the halo that led Jamie to suspect mis-collimation. Isn't that a possibility? I agree that the...
... thatled Jamie to suspect mis-collimation. Isn't that a possibility? I agree that the spacers are the likely culprits for the windmill effect.How far would...
Thanks for all the help guys, I do really appreciate it. Roland I'll try masking it down & see how far it has to go, that will do in the short term, is this...
Where are you digging up these posts from Roland? Is Roland asking you to post them to "Refractors"? It is interesting but (if I remember the dates correctly)...
rnapo
rnapo@...
Feb 2, 2005 5:10 am
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Ok, I'm slow today. "uncarollo2" Rich...
rnapo
rnapo@...
Feb 2, 2005 5:22 am
14248
Hi Roland, sorry about that. I was actually referring to todays probable used price for the AP 7", which is why I said: " if you can find one". Best, John ... ...
I found them, it is indeed 3 spacers that are causing the problem. They stick out just a few mm into the light path, just enough to catch it. Masking it won't...
The classic GOTO OPTICAL MFG. CO. 60mm. refractor has been described by observers as one of the best small visual performers. These telescopes, now long out...
... Christen's ... had ... performance ... Buchroeder) ... tall ... Party ... sold ... sold ... performance ... by ... stunning ... Hi John, Very much enjoyed...
I've been using my new 5.1" TMB130LW Super Light Cup almost every night for almost a month now. Unfortunately, seeing was pretty bad most nights (except for...
Totally agreed! I too have a TMB 130mm and I've used it in unforgettable seeing conditions in Devon which showed hints of the Encke Division and Minima plus...
Hi, I agree that there is a "break point" regarding aperture. 5" to 6" refractors seem to really begin to show a fair amount of detail with resolution. This...
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