It just occurred to me that a junker 50/1.8 with all its guts removed
might serve for the junker lens mount and barrel mentioned below with no
work required other than removing everything inside.
Chuck Norcutt
Chuck Norcutt wrote:
> I think the easiest way to gain extra extension would be to modify a
> slide copier attachment for the bellows. It already has provision for
> attaching to and sliding along the rail and provides its own bellows for
> the required extension.
>
> After slipping the slide holder off and unscrewing its two guideways
> you're left with a flat surface with a rectangular hole. I should think
> you could screw a lens mount from an old body onto that surface. I'm
> not sure whether the 35mm frame size hole would need to be opened up or
> not. The slide copier bellows wants to attach to a 49mm filter size
> lens tube. A junker lens mount and barrel could provide the requisite
> parts. I think it's doable with careful hand work (no machine shop
> required although that might help). With care in the modification the
> normal function of the slide copier should be restorable by unscrewing
> he lens mount and reattaching the two guideways with their screws.
>
> Chuck Norcutt
>
> Wayne Harridge wrote:
>> At each end of the rail of the OM bellows there is thumb screw which stops
>> the bellows standards falling off the end of the rail.
>>
>> Were there any accessories that also screwed into these holes in the end of
>> the rail ?
>>
>> The threaded holes appear to be about 1/4" diameter but finer than 20tpi so
>> a standard tripod screw cannot be screwed in. What is the thread size for
>> these holes ?
>>
>> Is it possible to join 2 sets of bellows together for extra extension ?
>>
>> ...Wayne
>>
>>
--
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