This will eat 12X20 for lunch all day long.

And do it superbly with perfect ultra smooth contrast and razor sharpness.

Shutter is running perfectly. This is the earlier 1970's version with single coating so not quite as brutal as the most modern all black version.

I DO NOT have the flange or retaining ring. Ouch, I know that will cost me and will price accordingly.

Your satisfaction is guaranteed........$565 + shipping