Archive 2008 · Rokkor 50 mm f1.2

HansenTsang
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p.1 #1 · Rokkor 50 mm f1.2

Just got my 50 mm f1.2 instead of the 58 mm f1.2. The conversion was a bit easier than I expected. This one has a 4 bolt mount without spacer.

As soon as I finished I ran outside and did a few shots to test. This was done with my 1DsMk3.

The first one is a Lehua bud at f1.2. The second is a 100% crop.

Dec 06, 2008 at 10:52 PM

thrice
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p.1 #2 · Rokkor 50 mm f1.2

Not bad, looks a lot like my Pentax 50/1.2. How're the out of focus highlights at large apertures? my pentax gives rings to gaps in leaves etc, but is ok with totally point light sources.

Dec 07, 2008 at 12:06 AM

tmessenger
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p.1 #3 · Rokkor 50 mm f1.2

Slide the aperture ring back against the adapter to prevent light leakage. To fine tune infinite focus just remove the rubber focus grip then pull the tape loose. With the tape off mount the lens and set infinite focus then re-tape and put the grip band back on.

tm

Dec 08, 2008 at 10:43 AM

HansenTsang
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p.1 #4 · Rokkor 50 mm f1.2

Thanks, I took the original adapter and cut off a thin ring of material to use as spacer between the aperture ring and the mounting flange. It is hard to see because it is black.

Dec 08, 2008 at 12:27 PM


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