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Forum: Pentax SLR Lens Discussion
06-20-2010, 01:55 AM
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To limit the range, it is usefull to find where the range ends.
Nearest number NOT this lens below the range I know of : 5107277
Lowest number for this lens is frederiks one : 5108639
Highest one is one of mine : 5109344
nearest number NOT this lens above this range : 5113830 (but this is an A series lens)
In the original K series I have this as nearest : 5118565
I noticed that most low volume original K series lenses have numbers in the 50* .. 52* range.
Later low volume K series lenses usually have 73*
Early K lenses have the lens text: SMC PENTAX 1: (Fnumber)/(focal length)
Late K lenses have the lens text: smc PENTAX 1: (Fnumber) (focal length)mm
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Forum: Pentax SLR Lens Discussion
06-19-2010, 06:44 AM
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This lens was not available in all parts of the world, which probably makes it more rare in some countries than others.
In my country it was never in the Pentax catalog, but somehow I have two copies ;)
It suffers from chromatic aberation at 3.5, but it is a nice lens on a metal bayonet mount camera.
I would not try it on a plastic camera...
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