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This gallery shows the conversion of a MC Rokkor 58mm f/1.2 to Minolta AF (Sony alpha) mount. The conversion was done using a MAF/M42 adaptor and a 1 mm thick sheet of plastic. A short explanation of the modification steps is given in the image captions.

The images taken with this lens have very pleasant bokeh and are very sharp from f/2 on. At f/1.2 there is some softness in most shots and DOF is extremely small of course.

Here's some links to other web resources on 58/1.2 conversion:

Pete Ganzel's modification (using T-mount adaptor)
Arkku's modification (using M42 adaptor)
Shaocaholica's modification (with ROM chip)
Disassembly of original mountParts for the new mountClose-up of modified M42 adapterAssemblyClose-up aperture transmitterConverted LensMC Rokkor 58mm f/1.2 on Konica Minolta Dynax 7D