I don't think these bellows units are mechanically joined other than via
extension tubes between front and rear standards of two units. Then the
whole assembly is held in place by the wood support. I assume each
bellows unit is held to the wood support with a long 1/4-20 screw.
The use of extension tubes to join them never occurred to me until I
looked at this photo and wondered how they were connected. Rather
ingenious and an easier and more general solution than what I proposed
with the slide copier. As you can see these bellows units are not at
all the same. I suspect they're put together with T-treads.
Chuck Norcutt
Wayne Harridge wrote:
>> Thanks Chuck, that sounds like a good workable way to do it.
>> I don't actually need to join 2 bellows together, just seem
>> to remember seeing a photo somewhere where this had been done.
>>
>
> This is what I remembered:
>
> http://lrh.structuregraphs.com/images/img154-a.jpg
>
> from Lefkowitz "The Manual of Close-Up Photography".
>
> ...Wayne
>
>
>
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