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Latest Review Posted S-M-C/Super Takumar 200mm F4
Lens reviewed: "Ashi Pentax" on lens cap; "Super-Multi-Coated Takumar 1:4/200 4483330 Asahi Opt. Co., Japan"

I have only used this lens on film, having purchased it from a military PX in Germany around 1971. But I do hope to be using it soon on an APS-C digital sensor, Sony NEX-5N. On film most use has been with astrophotography. This type of image is a severe test of image sharpness, since a star should look like a point even on the edges and in the corners. By that measure this lens is tops, even wide open. I find little if any difference center to edge in shape of star images - they are perfectly round. Many lenses, even some very expensive ones, do not pass this test. Some lenses describes as a bit "soft" in the corners will show misshapen star images off center. Any lateral chromatic aberration in the reviewed lens is minimal. Coma is not apparent. I cannot comment on Bokeh, since my astronomical subjects have all been in focus. Judge this lens for yourself by examining the attached image (Comet Hale-Bopp, April 2, 1997, 200mm, f/4, 15 minute exposure). This lens is one of my prized possessions.

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