onreading the manual.
in an effort to get a faster flash sync for my 645 d i read a number of articles that said you could.so i bought a 75mm f 2.8 ls and followed the directions from the articles.but they were vuage and it wasn't happening. then i read the manual and there was the missing peice of information.now when i set the shutter speed to 1/500 sec and set the apature an the flash scale for 20 feet,lo and behold IT WORKS!!!
That 645D must make some pretty awesome images. Was the original 645 2-1/4" format?
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