GeneW
Veteran
My knowledge of 50mm SLR primes is limited to Pentax and Olympus both of which have a 49mm thread size. Did any of the other brands of 50mm primes have a native 52mm or 55mm thread size?
I'm looking for an old 50mm prime to reverse on my digicam for ultra macro and would prefer to avoid stepup rings on my existing primes. f/1.4 is preferable to f/1.8 to reduce vignetting. Old is important -- has to be inexpensive ...
TIA ...
I'm looking for an old 50mm prime to reverse on my digicam for ultra macro and would prefer to avoid stepup rings on my existing primes. f/1.4 is preferable to f/1.8 to reduce vignetting. Old is important -- has to be inexpensive ...
TIA ...