RE: [APML] 35 mm Camera & Focuser

["Serge Theberge" <serge.theberge@wti.on.ca>]

Thanks Bill. Looks like I got myself into a really interesting focusing
challenge with this f/4.

1. Stiletto and Hutech
I got the picture, factory setting is theory, reality requires that I do my
own testing/calibrating/testing... I looked at the Hutech web site and a
do-it-yourself calibration procedure is provided.  Can I calibrate the
Stiletto or does it have to be sent back to STI?

2. Impact of unmounting/remounting camera on whole focus procedure
In a nutshell, what you are saying is that this is a non-issue if one is
careful (I thougth Murphy's laws applied here too!)

3. Viewfinders
>From your experience, viewfinders would work for slower scopes but for an
f/4 setting they can't be trusted.  So solutions based on the viewfinder are
not recommended. I got the point although I still would like to give it a
try it though just in case I am lucky enough to have a camera where all the
distances match (I can hear you say that this guy believes in miracles!). In
any case, it would help make me get hands-on understanding of the value of
knife-edge focusing over other methods.

4. Nikon, Olympus
You are saying here that it doesn't really matter since knife-edge focusing
is available for both cameras. Olympus though is lighter, Nikon has more
flexibility...

5. Off-axis vs guidescope
Your experience is that guidescope limits useful exposure to 10-15 minutes
due to flexure problems, etc.  Do you have any specific off-axis guider that
you would recommend? What are the limitations that I should be aware of?
Thanks for your advice Bill,

Regards,

Serge Theberge
Toronto Centre
RASC


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