Darren,there are some issues with this idea indeed. but I'm willing to
try.
calibration is performed by rolling the unit on 3 axes, isn't it? IF
the communication between O-GPS and camera works through the extension,
maybe rolling the connected unit before attaching to the telescope is
I may be incorrect about the image difference between a refractor &
reflector. I **should** know, but I would need to check.
In any event matching the alignment of the TTL extension with the O-GPS1
attached (to the telescope tube, presumeably) would add another
complication (possibility for error
Your TTL idea would be unnecessary on a refractor, so you must be thinking
of using a Newtonian design. In that case I don’t think it would work
because the image is reversed. I think the program in the O-GPS would be
designed to shift the sensor in only one direction (the one that work with
Darren, Larry, thanks for your toughts - precisely the kind of info I'm
looking for, from hands-on knowledge.
Darren, I have used my phone's level and a compass to set the camera
for Iridium trail photos and to look for comets, and am near the equator
- no real need for a latitude wedge, just
I have the Vixen Polarie. I had an O-GPS1 for a time, but sold it. I now
have the AstroTrack built into the K-3ii.
The biggest differences are:
No annoying calibration necessary with the Polarie, but it must be polar
aligned. (I built an adjustable wedge for the latitude part of the
equation, so
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