Easy-to-disassemble lens

Started 2 months ago | Questions thread
Leonard Migliore
Leonard Migliore Forum Pro • Posts: 18,230
I had one of those

Alphoid wrote:

The exact one Leonard Migliore recommended (I'm old enough that I've learned to listen to my betters):

The rear group is very obviously screwed in. It would require a spanner wrench to unscrew. I'm not sure if there's any lock screw or anything else holding it in. I'm also not sure if I take it out, whether I screw it in all the way, or tighten to a specific distance, and if so, how precise that ought to be.

That looks like what was on my Speed Graphic. I don't recall there being any setscrews holding in the lens groups but those things have been in there around 70 years so I doubt if they'll unscrew easily.

I wouldn't worry about how far to screw them back in. You're not concerned about achieving optimum optical quality, which wasn't that good anyway.

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Leonard Migliore

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