Sigma XO 200mm lens

Discussion in '35mm Cameras' started by drhowarddrfinedrhoward, Jul 28, 2003.

  1. I bought this lens many, many moons ago and don't have any information on it
    at all. There are two flanged push levers on the sides of the lens. One
    just releases the lens from the camera, the other, I think, is for preview
    because the iris closes down when I press it.

    However, there is another slider that I haven't a clue how it works. If I
    slide it in one direction, my ttl meter will vary with it, but one I take
    the picture, it slides back to one side. If I don't do anything, then
    changing the f stop or shutter has no effect on the meter.

    Can someone inform me? My camera btw is an Olympus OM2
    drhowarddrfinedrhoward, Jul 28, 2003
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  2. Sorry, that's XQ not XO
    drhowarddrfinedrhoward, Jul 28, 2003
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