I couldn't find any info of IIIa at schneider website. Can it be used on SA 75/5.6?
I couldn't find any info of IIIa at schneider website. Can it be used on SA 75/5.6?
Aaron,
Both have a 67x0.75 thread on the rear and an 86x1 thread at the front. The gradation differs however.
The IIIa is for the 90mm 1:8 Super-Angulon
The III is for either the 65mm or 75mm 1:5.6 Super Angulons.
Furthermore there is a IIIb for the 58mm XL and IIIc for the 47mm XL
Here's the Schneider document about their current center filters if others can't find it: http://www.schneiderkreuznach.com/pd...NTERFILTER.pdf
There is no mention of IIIa in the link above. I found it in the achieve:
http://www.schneiderkreuznach.com/ar...nterfilter.pdf
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