Originally Posted by
Bill_1856
Bob, it's true that I don't know how it was used before I got it (only a few years after it was built). But I've had two new bellows since then. It is lightly used, kept in air conditioned space with moderate humidity, and the problem was dry rot, not wear and tear. The current bellows is about 5 years old, and so-far-so-good, but the two previous bellows seemed fine one day, and then virtually crumbled.
The bellows of my Kardon-Color 45S (purchased new from Lens and Repro in the 1970s and stored on a shelf next to the Technika) continues to be in perfect working condition. I've never needed another bellows for my personal range of lenses from 90mm to 360mm, but there's a bag bellows if I do.
To answer your question: they would make it interchangeable, because it is apparently the one weak link in an otherwise bulletproof design, and could be easily implemented.
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