Sigma 50mm Macro problems

Discussion in '35mm Cameras' started by Graham, Jul 10, 2003.

  1. Graham

    Graham Guest

    I have had a bad experience with a Sigma lens and would appreciate any
    (sensible) comments please.

    Earlier this year I bought a Sigma 50mm Macro AF lens. This was for use on
    my Nikon F80(N80) camera. I was not happy with the results - mainly poor
    sharpness and resolution. So I used a roll of Provia to make some test
    shots. Now the only other AF lens I own, which covers this focal length, is
    the 28-80G that was supplied with the camera.

    The pics were taken of stationery subjects, with the camera mounted on a
    heavy tripod, in windless and bright overcast conditions. The slides from
    the Sigma lens were noticeably of poorer resolution, sharpness and colour
    rendering than the slides taken through the 28-80G. This is just the
    opposite of what I would have expected. I had read lots of reports on this
    Sigma lens and it is supposed to be good. My son, who also uses the Nikon
    system and works in photo equipment sales, was not surprised saying that
    even the cheapy Nikon lenses work well optically.

    Have any listers had this problem with these lenses at all? Any comments
    will be appreciated.

    Graham
     
    Graham, Jul 10, 2003
    #1
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  2. Graham

    Bhup Guest

    Umm Think this lens is a good chose for cricket but not professional cricket
    .... the sigma lens have an uncanny feel to them when they are smashed with a
    cricket bat compared to a real cricket ball. I would advise you buy the
    real cricket ball, as the sigma do not lend themselves to seam bowling
    ....From what I heard then can also be attached to cameras.. very odd


    B
     
    Bhup, Jul 10, 2003
    #2
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  3. Graham

    Ben Micklem Guest

    It isn't.

    Unless you particularly need a 50mm macro, for most situations, a 90 or
    105mm macro lens is much more useful. Look at used AF Tamron 90mm f2.8 lens-
    they have a very good reputation.

    I'm not sure your son is correct in saying that all cheap Nikon Zooms are
    optically good. I've seen very bad reviews of the 28-90 G (that I think
    comes with the F55 as standard).

    Ben
     
    Ben Micklem, Jul 10, 2003
    #3
  4. Graham

    Graham Guest

    Ben,

    Thanks for the reply - I do own a Tamron 90mm and use with my manual Nikon -
    excellent lens it is too; but I also like the increased depth of perspective
    that is obtained with a shorter focal length lens. I think I might have to
    get a secondhand MF Nikkor Macro and avoid the AF camera for close up work.

    About the 28-80G - I too have seen some bad reviews of this lens but it does
    work well. The MTF graph on the Nikon Japan site - all in Japanese
    unfortunately - would suggest the lens performs well enough. Be wary of
    amateur reviews on the internet. Some people have written it off just
    because it does not have a metal mount.

    Graham
     
    Graham, Jul 10, 2003
    #4
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