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Super-Takumar 50mm f1.4. Is the famous 8 elements lens measurably better than the 7 elements lens?
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Pentax Super-Takumar 50mm f/1.4: Do I have the 'Zeiss Planar Killer'?
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Remove old Fungus In Konica Hexanon AR 100mm F 2.8 Maybe it will work
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Refurbishing a Vintage Lens - Super-Takumar 55mm F/1.8
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Spotmatic
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Cleaning lens elements In Mamiya-Sekor Z f=110mm 1:2.8 W for the RZ67 front and back lens group
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Best Bokeh Lenses - 50mm - M42
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