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Posted by Mike Graham on September 27, 2000 at 06:44:00:
In Reply to: Tamron 28-105 AF question posted by Brian Oliver on September 26, 2000 at 11:23:14:
Brian,
I looked all over the web, including the Nikonians site, and came
up with nothing negative on this Tamron lens, either used with a
Nikon or any other brand of camera. I guess the obvious answer
would be to isolate whether the lens, the flash or the camera is
to blame. Try out a different body with the lens, and a different
lens with the body and see if the problem solves itself. Can you
borrow another flash? At least you'll know who to rant and rave
at...
What kind of body is it? I'm not quite clear how the lens would affect a TTL-flash capable camera's ability to meter the flash and switch it off at the right time. Either the lens stops down to the right aperture during exposure, or it doesn't. Even if it doesn't, the camera's sensor should (theoretically) read the light reflected back from the flash, "thinking" to itself, "Hey! This guy's using full aperture!" and switch it off when enough light has reached the film.
How about the flash? Is the flash designed to work on the camera? Most flash units nowadays, if they're not original Nikon, Canon or whatever, at least have some kind of dedicated connector to communicate with the camera. If it doesn't, your camera's TTL-flash capacity is rendered useless and you'll have to rely on the built in sensor on the flash. Can you let us have more info? Visit the Nikonians community to share your experiences with other Nikon users.
Posted by Ed Gerson on December 25, 2000 at 19:37:15:
In Reply to: Tamron 28-105 AF lens question posted by Brian Oliver on September 26, 2000 at 11:23:14:
I have an older F2.5/90mm Tamron macro. Set it at F/8, the viewfinder shows F/11 (!). Exposures are always correct on both my Nikon 8008 bodies however. Go figure. Superb optics on Tamron; customer service peculiar, not good, not bad.
Sigma fixed a 2.8/70-210 zoom (two years out of warranty!) for free. Paid return shipping as well. Superb and conscientious service. Be mindful, these are only single experiences with Tamron and/or Sigma. I'm a pro since 1974. ----Ed
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