The auto-bellows/slide copier combo would need an 80mm f/4 Zuiko Macro lens to
get the 1:1 magnification needed to copy slides. In fact, the 80mm lens was
optimized for this kind on 1:1 magnification. The lens needed a bellows. It
did not focus if mounted directly on an OM body.
Several manufacturers made a bellows that used a double cable release to stop
down the lens aperture. More interesting, and unique to Olympus, was the
65-115mm Olympus Telescopic Auto Tube
https://esif.world-traveller.org/om-sif/macrophotogroup/auto_tube_65-116.htm
Although the extension range was less than the auto bellows, it was rugged,
hand-holdable, and the extension adjustment was easy, rapid, and reliable.
Used with the 135mm f/4.5 Macro lens, it allowed hand-held macro photography in
situations similar to what the current 60mm f/2.8 M Zuiko Macro can handle,
including infinity focus.
Occasionally I think of pulling out my auto-tube/135 rig to use on my OM-D, but
when I give it further thought, the modern lens is easier and much quicker to
use, and goes all the way to 1:1.
Nostalgia isn't all it is cracked up to be.
> On 4/15/2020 13:49 Rand Tomcala wrote:
> It would require a double cable release to be "Auto" (sold
separately)
>> On 4/15/2020 11:52 AM, Jan Steinman wrote:
>> But in looking over the photos closely, I didn't see anything
"auto" about it.
>> Jan
--
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