Tamron 75-300 Vs Tamron 70-300

Discussion in 'Digital Photography' started by Larry R Harrison Jr, Sep 5, 2005.

  1. I hear good things all the time about the Tamron 70-300. Well I just picked
    up an EF-mount Tamron **75**-300. Got it at Fred Miranda for 60 bucks
    shipped. It looks almost identical except for not having a macro switch, and
    I think it does 1:4 instead of 1:2. Not sure.

    But construction-wise, it looks totally identical to it otherwise, and
    sample photos at pbase seem to show it doing not too shabby at 300mm just
    like the 70-300.

    Is it apt to do as well as the 70-300 overall?

    LRH
    Larry R Harrison Jr, Sep 5, 2005
    #1
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  2. Larry R Harrison Jr

    Bill Tuthill Guest

    Larry R Harrison Jr <> wrote:
    > I hear good things all the time about the Tamron 70-300. Well I just picked
    > up an EF-mount Tamron **75**-300. Got it at Fred Miranda for 60 bucks
    > shipped. It looks almost identical except for not having a macro switch, and
    > I think it does 1:4 instead of 1:2. Not sure.
    >
    > But construction-wise, it looks totally identical to it otherwise, and
    > sample photos at pbase seem to show it doing not too shabby at 300mm just
    > like the 70-300. Is it apt to do as well as the 70-300 overall?


    Yes, I believe it is the same optical design. I can't explan 75 vs 70
    however. It has one LD (also called ED or APO) element to help control
    chromatic aberration. The 70-300 has very good bokeh, but sharpness
    tails off somewhere above 200mm.
    Bill Tuthill, Sep 6, 2005
    #2
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