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Thread: 50mm replacement

  1. #1
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    Default 50mm replacement

    It's finally happened - my 50mm f1.8 II (the plastic one) has fallen apart. Not too bad for a second hand item bought in 1997!

    I like to have a fast 50mm in the bag (forget the L model!) so do I go for the direct replacement 50mm f1.8 STM or maybe a second hand f1.4?

    Any comments on either of these lenses would be appreciated.
    Bob


    EOS 6D, BG-E13 Grip, EOS 30 (Film), 35mm f2.0 IS, 50mm f1.8 MK II, 17-40 f4 L, 24-105 f4 L IS, 70-200f4 L IS, 430EX II, 270EX II, Manfrotto 190XDB +496RC2 tripod, G12 Powershot, Op Tech straps & Think Tank bags.

  2. #2

    Default Re: 50mm replacement

    The STM is the more reliable lens and as far as image quality is concerned there doesn't seem to much difference between them.
    Some people don't like the STM focusing system when using the lens for manual focus.

    The 1.4 is prone to inconsistent focusing and suffers with a mechanical weakness in the focus system, obviously buying a used 1.4 then you could have a greater chance of getting one with a problem.

  3. #3
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    Default Re: 50mm replacement

    I bought the 1.8 STM and have found it much better than my old 1.8 II optically, and far better focussing and more solid construction. It's a bargain, a different beast altogether.
    EOS 6D, 5D Mk II, 80D, 70D, 100D, 200D, 50D. Canon 10-18, 18 - 55, 55 - 250 IS STM lenses, Canon 50 mm F1.8 STM, 60 mm EF-S macro, MPE-65 macro, 85 mm F1.8, 200 mm F2.8 L II, Sigma 24 - 35 F2 Art, 17 - 50 F2.8 DC, 105 mm DG OS macro, 100 - 400 C, 150 - 600 C, Kenko 1.4x TC

  4. #4
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    Default Re: 50mm replacement

    Thanks Ray & Richard.

    I wasn’t aware of the potential problem with the 50mm f1.4 and your other comments are in line with my own thinking on the f1.8 STM.

    For the price it looks like the best bet.
    Bob


    EOS 6D, BG-E13 Grip, EOS 30 (Film), 35mm f2.0 IS, 50mm f1.8 MK II, 17-40 f4 L, 24-105 f4 L IS, 70-200f4 L IS, 430EX II, 270EX II, Manfrotto 190XDB +496RC2 tripod, G12 Powershot, Op Tech straps & Think Tank bags.

  5. #5
    Member* Nathaniel's Avatar
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    Default Re: 50mm replacement

    I have the f1.8 mk 2 lens and it is still going strong.
    Canon 6D; Canon 760D;Canon G15;Canon 40mm f2.8(Pancake);Canon 50mm f1.8(ii); Canon 17mm-40mm f4L;Canon EF-S 10-18mm f4.5-5.6 IS STM;Canon EF-S 55-250mm f4-5.6 STM lens;Canon 24mm-105mmf4L IS;Canon 70-300mm f4-f5.6 L IS USM;Kenko 1.4x HD TC;Canon 430EX ii flash;Giottos tripod;Manfretto monopod;Cokin P filters + bits and pieces!

    www.flickr.com/photos/nathaniel3390

    North Wales where music and the sea give a great concert!

  6. #6
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    Default Re: 50mm replacement

    Quote Originally Posted by Nathaniel View Post
    I have the f1.8 mk 2 lens and it is still going strong.
    Maybe you treat it more gently than me.
    I see you have the 40mm pancake. How does it compare with the 50mm?
    Bob


    EOS 6D, BG-E13 Grip, EOS 30 (Film), 35mm f2.0 IS, 50mm f1.8 MK II, 17-40 f4 L, 24-105 f4 L IS, 70-200f4 L IS, 430EX II, 270EX II, Manfrotto 190XDB +496RC2 tripod, G12 Powershot, Op Tech straps & Think Tank bags.

  7. #7
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    Default Re: 50mm replacement

    I still have my F1.8 II, but I've found the STM model quite a lot sharper, particularly towards the image edges. The other main difference is the autofocus, much faster and quieter.
    Apparently the plastic used for the old model wasn't the best quality and it can deteriorate over time, which can lead to the lens elements not being held firmly with gradual loss of sharpness. It was only when I compared the image quality of the STM that I realised the old one wasn't as good as I had thought it was.
    EOS 6D, 5D Mk II, 80D, 70D, 100D, 200D, 50D. Canon 10-18, 18 - 55, 55 - 250 IS STM lenses, Canon 50 mm F1.8 STM, 60 mm EF-S macro, MPE-65 macro, 85 mm F1.8, 200 mm F2.8 L II, Sigma 24 - 35 F2 Art, 17 - 50 F2.8 DC, 105 mm DG OS macro, 100 - 400 C, 150 - 600 C, Kenko 1.4x TC

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