Re: [APML] STV Mounting Question

[steve banbury <banburys@sonic.net>]

Thanks Kent. 
I generally try to avoid using rings.

In my existing configuration I drilled and tapped a #6 screw hole into the
STV mounting
base next to the existing 1/4-20 bolt hole to preclude any twisting of the
head. Then I
removed the 80 mm rings from an Orion dovetail finder bracket and bolted
the STV to
that. The whole thing is boresighted to the main scope, and can be slipped
on and off
in seconds.

Catch is--I keep getting trailed images. I absolutely cannot feel the least
play in the
system, but figure adding a ring to the lens should eliminate that as a
possible
source of flexure.

Guess I'll be making aluminum chips instead of observing this weekend!!

Thanks again Kent and Jim---Steve


>
>Steve:
>I thought I'd jump too.
>
>After seeing Jim's setup with a 200mm lens on the STV, I decided to try 
>something similiar. I already had a Nikon 180mm 2.8 ED (manual focus) lens, 
>so I acquired the necessary Nikon to STV adapter to mount the lens to the 
>STV. I removed the mounting block from the STV. I use two rings, just like a 
>regular guidescope, but I use a (already had) 125mm ring for the STV body
and 
>a 90mm ring for the front of the 180.
>It just so happens that the center of the 125mm ring is also the center of 
>the 90mm ring.
>
>With arrangement, you adjust the rings to 'boresite' or acquire guidestars 
>just like a conventional guidescope.
>
>Kent Kirkley



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