View Full Version : Caps and filter size for Caltar II - N 135mm
I just bought my first large format camera kit. It came with a Caltar II - N MC f/5.6 135mm with no caps. I've searched online and haven't found a definitive lens cap/filter size for both ends. The front ID is 40mm and the OD 42mm, near as I can tell. The back OD is 40mm.
So I'm thinking a 40mm clip on cap for the front would work and a 40mm slip on would work for the back. Does anyone let me know for sure before I buy?
Thanks,
Kent
The back cap shows 40.5mm and the front one shows 42mm written on the inside. It is a very nice lens.
Enjoy.
Ivan J. Eberle
2-Feb-2013, 16:04
The specs on this lens are precisely the same as for the Rodenstock Sironar N or Apo Sironar N 135mm f/5.6, incidentally, and I found these to be available online a while ago. The only dimension for the lens that sticks in my mind is the front 40.5mm filter thread
I've read that in several places now but actually its the other way around, 40.5 in back and 42 in front on my Caltar II-N. But I suspect you've figured that out in the past 9 months.
My bad; I was actually reading several threads and replied to the wrong one with the wrong information. The front filter size is indeed 40.5, and the lens cap is 42
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