If you fit a short extension tube to the the lens and then reverse it, you
will give the rear element some protection and emulate a lens hood. If you
use a manual tube it will stop the diaphragm down for you as well.
Regards,
Keith Berry (Birmingham, England)
keith_r.k.berry@xxxxxxxxxx
Olaf Greve wrote
>Just for
>the heck of it, I simulated the effect of a reversing ring, by simply
taking
>a 50/1.8 and carefully holding it reversed (without a ring in between)
>against the mount of the OM-40. The magnification wasn't bad, but I was
very
>uncomfortable with the fact that the rear element was not protected at all,
>so I very quickly decided not to risk any lens to a reversing ring, but
>stick with extension tubes.
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