7284Re: [William-Optics] Re: ZenithStar 105 ED APO
- Feb 1, 2006
Thanks for the link. Is there a review on this scope ?
How can I mount this ontop of my Meade 2120 [10" SCT] which is on my Gemini G11 ?
I am using the Losmandy dove tail plate for mounting.
Barry Carter wrote:
I have this telescope and shed a little light. The focuser draw tube
ishousing is 2.5", but the drawtube is for 2"; with a 1.25" adapter
included. There is a lot of travel with this focuser, but I have no
idea if back-focus is relevant for prime focus imaging. I have no
problem reaching prime focus with my Nikon D70 (body weighs ~600g) or
D50 DSLRs. The image plane of the Nikon is about 45mm from the base
of the Nikon mount. This telescope is solid and I have not
encountered in flexture. I am sure there may be some, but one would
need the appropiate gages to measure it. All things flex if given
--- In William-Optics@yahoogroups.com, Sam Barziza <sam@u...> wrote:
> I have a question about the ZenithStar 105 ED APO. On ATWB it
> this as having a 2.5" focuser.
> My question is this. Is that a pretty stable and robust focuser ? I
> plan to do mainly CCD imaging and I need a good solid focsuer that
> support the ccd camera, no flexture. How much weight can that
> support ?
> And how much travel does it have, and what the back focus for the
> ZenithStar 105 ED APO ?
> Thanks alot
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