Use a 7mm Extension tube on the front (i.e. the bayonet mount) of the lens,
which turns the lens from an automatic- into a manual-aperture.
NB, NOT an Auto Extension Tube. A longer extension tube might also work,
but might also be visible in the corners of the image.
Piers
-----Original Message-----
From: owner-olympus@xxxxxxxxxxxxxxx [mailto:owner-olympus@xxxxxxxxxxxxxxx]
On Behalf Of gries
Sent: 14 May 2003 19:46
To: olympus@xxxxxxxxxxxxxxx
Subject: [OM] reversing rings
how does one operate the aperture on the lens when using a reversing ring?
playing around with the 18mm last night, I was able to hold it reversed
against the AT and focus on the smallest things! if I didn't know that I
could do it, I probably would not have had the patience to find the
unbelievably small focusing point.
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