Monday, November 2, 2009, 03:19 PM - Lenses
Here are a few shots from the "Porst color reflex mc auto" 55/1.2 lens, in Pentax K mount. This lens is built by Cosina, and features 6 optical elements in 6 groups (so it is different from the 55mm f/1.2 Tomioka lens in M42 mount which features 7 elements in 6 groups). Oddly, its aperture ring does not feature any stop between f/1.2 and f/2. All the shots are wide open (ie f/1.2)
In daylight, when shooting wide open this lens exhibit some kind of dreamy behavior:
At night, it does not exhibit this dreamy/fuzzy look unless there is significant light on the subject in focus:
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