Hello Bill,
I bought my OM-1n with the sole purpose of
Astrophotography too, but now I do much more landscape photography and
stick with visual telescopic observing. When I get my observatory I
think I'll do a bit more astrophotography though. Anyway.... I found
when the mirror was not locked up you do get a beefy but satisfying
clash when you fire the shutter. I've never noticed much vibration but I
have heard reports from my friends with OM-1n's that they are troubled
with some vibration of their scopes. Most attribute it to their mounts
not being of sufficient strength and size for my telescope. This could
be one of your problems (not knowing what scope you have). There could
also be a problem with the virbational damping of your scope and it may
be wise to invest in some vibration suppression pads to rest your scope
on. However I dare say that newer cameras have much smoother shutter
actions, probably as they are electric (which is a bad, bad thing for
astrophotography as I dare say you well know!). If you want I would try
to beef up your mount and add some vibration supression pads (Celestron
used to do a good line in these pads, but I'm not exactly sure they
still do) and this might do the trick, as well as making visual
observing a much better experience than it already is! Hope this tome of
mine helps!
All the best,
Gareth.
Hey all,
I have been using my om1n for many years for astrophotography. On the
weekend though I tried something. Without the mirror lock, I do get some
vibration problems. However, with my N*kon F80, which has no such wonderful
feature, there was no problem. Are today's "modern" shutters just that much
better for eliminating vibration? Nobody offers MLU anymore.
-Bill
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