I just got a Komine today. It looks optically fine and was quite cheap. The mechanics aren't 100% smooth but something I can live with. Moving the focal length to the longer ones requires some force but the feeling's pretty smooth anyhow. Not sure if I can describe this well. Are these usually easily movable all the way?
Another question I'd like ask is how have you found is the most practical way to use and hold this lens? It's pretty heavy and easily tilts the body/lens combo in my hands. Also as there's no tripod mount on the lens, I really wonder how sturdy a tripod does one need for mounting this? Also, do you have special tips for focusing as it seems a bit tricky at least in relatively low light.
Originally posted by gerbilbox I hear that not all version 3 copies of this lens have the "A" setting.
AFAIK, mine's a Komine (Vivitar Series 1 70-210mm f/2.8-4, 62mm filter size, s/n 28******), but there's no A aperture setting but "P", 16, 11, 8, 5.6, 4, 2.8.