Hi Eric,
Sigma rear caps are significantly longer than the Olympus
counterparts. Try to look around for suchm if you need it. I haven't tried
myself, but it might be worth a shot ;)
--thomas
On Wed, 10 Jan 2001, Eric Pederson wrote:
> I would like to try using a (reversed) Zuiko 50mm 1.8 lens as a focusing
> loupe for my LF camera. I need to have something to fix the distance from
> the ground glass and to protect this glass from scratches while bumping
> around under the dark cloth. An obvious candidate is to cut a hole in a
> rear lens cap, but the standard Olympus rear lens cap only gives enough
> distance for about 2-3x magnification. How much more could I expect if I
> could find a longer rear lens cap for one of the lenses with protruding
> rear elements? (Ideally 4-5x)
>
> Related question: of course, before I buy a new one just to cut a hole in
> it, does anyone one have a beater long rear lens cap available for
> surgery? (Or has anyone tried this already?)
>
> Eric Pederson
> epederso@xxxxxxxxxxxxxxxxxxxx (no "n" in "epederso")
> Professional home page:
> http://logos.uoregon.edu/uoling/faculty/pederson/pederson.html
> Personal home page:
> http://darkwing.uoregon.edu/~epederso/
>
>
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