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Discussion in 'Medium Format Cameras and Accessories' started by fastw, Aug 17, 2012.
In your experience, are Variable ND filters any good?
I've never found them useful.
I've never even used one. They'd be pretty inconvenient if you don't have TTL metering.
I never use them, I just use different speeds. I have different backs on my RB67.
Buy one that has an index on the rim.
To the op,
They're just two polarizers attached to one ring. One linear, one not.