Nikon D300 FPS

Discussion in 'Nikon' started by Chico, Dec 30, 2007.

  1. Chico

    Chico Guest

    So I have had my D300 a few days and decided to test the speed.

    I added the MB-D10 battery pack with Sanyo eneloop NiMH AA-size
    batteries which should have given me 8 fps. I tunred the Custom
    Setting d4 to 7 fps and started to test. It was fast as hell but I
    dont know where to look to see how fast it was really going. Its not
    in the camera display anywhere and no metadata seems to show this info
    so how do you measure it ?

    Also even though this makes sense, in A mode the shutter speed slows
    way down when you zoom in. I was using an 18-200 mm lens with VR on I
    also turned it off and when zoomed out to 18mm it was full speed but
    as soon as I zoomed in, it slowed way down (sounded like 2 or 3 fps)
    but again I dont know where to look to see the actual speed.

    So 2 questions

    (1) how do you measure or check the speed (fps)
    (2) Why does it slow way down in A mode only when you zoom the lens in
    on the subject ?

    Chico, Dec 30, 2007
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  2. Chico

    TH O Guest

    I suspect that you had the lens set at its maximum aperture before you
    zoomed the lens. The lens is a variable aperture design which means that
    the maximum aperture changes as the focal length changes (18mm=3.5,
    200mm=5.6). Zooming in changed the aperture, decreasing the amount of
    light reaching the meter, and required a slower shutter speed to
    TH O, Dec 31, 2007
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