Photography - B&L Protar sets

"Alan Davenport" wrote in message
om...
I have a 48.5/60.0 cm B&L Protar combination in a Betax #5
shutter. I
have seen various Zeiss/B&L Protar single elements for
sale on ebay
and I was wondering, How do I know if they would fit my
shutter?

ALan B. Davenport

Protar sets were sold to fit several shutters over time.
The original sets used B&L's version of the Compound and
Compur shutter, Wollensak shutters were used later. Zeiss
Protars are marked with the barrel size so you can match
them. I don't think the B&L cells had similar markings. If I
am wrong those would tell you which cells will work
together. The other thing to do is ask the seller to measure
the thread end of the cell, at least for diameter.

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Richard Knoppow
Los Angeles, CA, USA