All you need to turn it into a "real" loupe is a spacer cylinder of clear
plastic the same height as the OM register distance which (if memory serves) is
46mm. You could probably also make a simple set of stand-of legs instead of
the plastic cylinder. Make it a little shorter and you can adjust it with the
focus on the lens to get it precise. You'll have a tough time finding an
affordable loupe with the quality of your 50/1.8.
As to the scanner and the astro images I think you'll have to take manual
control of the exposure. If the scanner software doesn't allow that then you
may want to install VueScan from hamrick.com
Chuck Norcutt
> -------Original Message-------
> From: Darin <d.rhein@xxxxxxxxxxx>
> Subject: [OM] Re: Light box & Loupe?
> Sent: Dec 25 '07 09:24
>
>
> Moose, thanks for the pointers, that little light box is just what I had in
> mind. The sorter would be nice too, but my desk is so cluttered I don't know
> where I'd be able to put it. ;^) Perhaps some day though.
>
> Moose and Chuck, I hadn't even thought about using a reversed lens, that's a
> great idea, at least to get me by until I get a real loupe.
>
> Winsor, thank you for the tips on loupes. I had no idea what power would let
> me see the whole image. I'll probably end up getting a 4X and an 8X.
>
> A couple more questions. Does the quality of the optics in the loupe matter
> much in anyones opinion, or will a cheap one work just fine?
>
> Also, Orins' mention of scanning film from meteor showers reminded me of a
> problem I'm having with this scanner (CanoScan 4400F for anyone who's
> wondering). I have some negatives I shot over the summer of star trails that
> the scanner doesn't seem to want to scan. They are on color print film, Fuji
> Superia X-tra 400 if I remember right. The only way I've been able to get
> the scanner to consistently recognize these frames, has been to scan them as
> B&W, then convert back to color. However, as I'm sure you can imagine, the
> results are something short of spectacular. Any tips would be greatly
> appreciated.
>
> Thanks again to all who replied,
> Darin
>
>
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