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75-300mm Vs 70-300mm IS USM

  • 01-08-2012 12:33pm
    #1
    alowe
    Registered Users, Registered Users 2 Posts: 347 ✭✭


    I have a 75-300mm canon from my film days. I used it the other day at the zoo, and while the pic's were fine, they were a bit 'soft' (if that makes sense.)

    I was thinking of upgrading it to the 70-300mm IS USM, and was wondering if i'll notice a huge difference in image quality, and auto-focus speed (help catch moving animals!)? I can't afford an L lens, and i'd like the range of the 300mm.

    Is this a good buy, or am I spending money on a lens when I don't really need to spend it.... :-)


Comments

  • #2
    5uspect
    Moderators, Arts Moderators Posts: 10,520 Mod ✭✭✭✭5uspect


    Any zoom lens, even an L, is a compromise optically. The lens isn't going to be as sharp as a prime and so your images will look soft. Most lenses have a sweet spot however so it's not all bad news.

    There are some very positive reviews of the 70-300 here:
    http://www.fredmiranda.com/reviews/showproduct.php?product=294

    Also the vanilla 70-200 f/4 L is relatively cheap and very sharp for a zoom. Might be worth looking at the second hand market.


  • #3
    pete4130
    Registered Users, Registered Users 2 Posts: 3,944 ✭✭✭pete4130


    Were you at 300mm end of the lens? I'd guess so being at the zoo. These lenses aren't great between 200-300mm.


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