Yes here come the Chinese! This is the volkswagen of the apo world. Apo for the people :) Lesson # 1 Never manufacture anything in China if you want it to...
Periodic comet 161 P is now among the brightest comets in the northern skies at magnitude 10.1. It is well positioned in Cassiopeia. A modem-friendly movie and...
Hello all, I am looking for a new owner for this group as I am currently not very involved with our great hobby and I'd like to see Refractors get the ...
Just a heads up... There is a brand new in the box Meade DS90EC - 90mm refractor on goto mount on ebay for $149.00. Item #7530232166. With a couple of...
http://groups.yahoo.com/group/William-Optics/message/4547 And the telescope is NOT manufactured in China. f.y.i. ... <ISeeGalaxies@h...> ... that ... selling ...
I have had my AP180EDT for 14 months now. Here is a collection of most of the images I have taken using it. They are arranged in inverse chronological order....
In a message dated 7/15/2005 5:58:36 A.M. Pacific Standard Time, Refractors@yahoogroups.com writes: _http://groups.yahoo.com/group/William-Optics/message/4547_...
Dear "williamopticsmarketing" in the linked post it is said: "By the way, we want to stress that we have never claimed this telescope to be anything like...
Right you are! - I was thinking of the ED80's that Synta, Orion and Skywatcher use. I see that the William Optics ones have a better finish and machanics. Do...
These recent posts regarding imported, actual manufacturer unknown scopes, bring up some interesting points. What do we know about these still prospective Apo...
Could someone please explain what a semi-APO actually is? Is the Zenith Star 80 a semi-APO, or is it a good achromat? And does it matter? I'm getting most...
There are no real semi-APO's being made now. The term was invented by Zeiss for it's AS series refractors that used glasses (dense flints) that at the time,...
You are right, many years ago I owned an 110mm f/19 Zeiss objective mounted in a beautiful bronze cell that came in a beautifully made wooden box, it was not...
Nick; Eric Roel and the other poster have it about right. An Apo is originally and properly defined as a scope with 3 color crossings, corrected for spherical...
Well an APO brings all three primary colors Red, Green and Blue to the same focus. A Achromat brings two of the primary colors to a common focus. You could...
i was able to take a little bit of Ha and [OIII] data in the Helix Nebula (NGC 7293) on Saturday night. By the time the last Ha image finished, twilight was...
... instrument. ... The 180 was specifically designed for imaging, although lots of users never placed film or chip at the focus point. It was one of the first...
- ... here you are only partly right. LZOS in Russia a glas metlcing company, like Ohara and Schott still melt such glas and we could offer real semiapos, but...
... offer ... It sure doesn't make sense for an 80mm ;-). But what about for a 130mm and larger semi-apo, Markus (and maybe even the 4-inchers)? $5000 * 0.66...
... You will still get a lot of color in a fast lens. The only place it makes sense is in a logn focus F15 tube assembly where a semi-apo would give you real...
Back in post 14711 I asked about refractor collimation for my Skywatcher 150 F5. This is a followup report. I recently installed a new version of the dual...
Can you post a picture showing the collimation adjustment screws on the focuser? Thanks Rich Wood <astronut1001@...> wrote: Back in post 14711 I asked...
Warpedcorp; Check the Moonlite web site and look at the installation instructions pictures for the refractor focusers. Basically the three bolts that mount...
WarpedCorp; Here is a link to the installation/Collimation instructions and pictures. http://www.focuser.com/cgi-bin/dstore.cgi?page=refractorfocusinstall Rich...
I already have two moonlights - both motorized. I thought they had changed something to move the collimation screws to the outside which would make it easier...
I can picture a way that they could do it with a redesign of the adapter assembly, making it two piece, and IMO it would be nice. Maybe I will email them and...
I'm thinking of selling my SCT and getting a Tele Vue 102 on a Gibraltar mount. I like the simplicity of use, and want to observe the planets and the moon....
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