When you get into buying and selling vintage lenses, you are bound to end up with some that are in bad conditions and when, a few months ago, I bought a box with a few lenses, well, I wasn’t surprised to find dust, scratches and one straight up broken lens. The Cosina 28mm we are looking at today comes from that box and has the front element clearly bent and deformed, and it could use some lubrication at the focusing helicoid, but overall I had a good feeling about it, given that it still works perfectly and the glass elements are clean. Although this is the first Cosina lens that I own, I was already kind of familiar with the brand as a third party manufacturer, founded, by the way, in 1959 in Nagano, Japan. What I didn’t know is that in 1999 it acquired Voigtlander and it is still active to this day. The Cosina 28mm weighs 225g, it is 38mm long when focused to infinity and 42mm when extended, with a 49mm front thread. The iris has 5 blades, the aper...
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