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Thread: Review: The SIGMA 20mmf1.8 EX DG, a lens I loved

  1. #1

    Default Review: The SIGMA 20mmf1.8 EX DG, a lens I loved

    Just a short tribute to the lens that I love so dearly, despite being a non-nikkor, its performance deserves a close look by many who wants a wide angle, but cannot afford the Nikkor 12-24mm or Sigma 12-24mm.

    What I liked
    - Its decently priced
    - Very sharp lens from f4 up, and by f10, its razor
    - decent at f1.8, no vignetting on a APS size dslr.
    - Not too heavy, especially for a f1.8
    - Very very fast aperture
    - Close focusing (20cm !), interesting shots can be captured. Very important for a wide angle to focus close, since the objects seem so far away.
    - warm colours
    - nice bokeh
    - Nice focus ring

    What can be better
    - Sigma EX lenses have this rubber finish that just dont withstand any abuse
    - Flare is a problem
    - 82mm filter size
    - focusing is noisy and slow ( although not an issue with Wide angles)

    Let the pictures speak for themselves.


    I like the colours, and the sharpness is incredible. Shot @ f10


    Low light is its forte @f2.8 1/20s


    Close focusing (just 3 cm from front element) and the bokeh is good. @f2.2


    Again... close focusing and bokeh @f2 1/15s

    I'm in love with this lens, completely. If u intend to purchase a 19-35 from Tamron or whatever, simply give it a miss. If u want a Nikkor 20mm or 18-35, think really hard.

    Just a tribute to this lens. A wonderful tool for street, low light and landscape photography.

  2. #2
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    Quote Originally Posted by marcwang
    Just a tribute to this lens. A wonderful tool for street, low light and landscape photography.
    For street photography, I would prefer a 50mm lens. 20mm is too wide for street photography.

  3. #3
    Moderator Clown's Avatar
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    Close focusing (just 3 cm from front element) and the bokeh is good. @f2.2
    using any attachments? min distance 20cm leh..

  4. #4
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    Quote Originally Posted by XXX Boy
    For street photography, I would prefer a 50mm lens. 20mm is too wide for street photography.
    Well, that depends. For a DSLR (1.6x), a 20mm is sometimes more preferable.

  5. #5

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    Quote Originally Posted by Clown
    using any attachments? min distance 20cm leh..
    Nope. STandard. No switches to irritate u

  6. #6

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    Bro, how much is this?

  7. #7
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    Quote Originally Posted by 2100
    Bro, how much is this?
    MS color quoted about $600. Uses 82mm filters though. I just bought a used one from a CSer. Waiting to test it out this weekend.

  8. #8
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    CP e-quoted me 570 before gst...

  9. #9

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    bro i don't get it..

    "Close focusing (just 3 cm from front element) and the bokeh is good. @f2.2"

    but how did u do that since u say the minimum focusing dist is 20cm? :thinking:

  10. #10

    Default focusing distance

    Guys when they quote close focusing of 20 cm, it's a measurement from the flim plane (Ie almost the back of the camera). However 20cm - thickness of camera and the length of the lense gives you about 3cm from the front element

    hope this helps

  11. #11

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    Quote Originally Posted by behyx
    bro i don't get it..

    "Close focusing (just 3 cm from front element) and the bokeh is good. @f2.2"

    but how did u do that since u say the minimum focusing dist is 20cm? :thinking:

    It's quite possible.

    The min focusing dist of 20cm refers to the subject to the focusing plane which is about 1/2 inch behind the lens. So, if you add 1.2 inch (3cm) to the length of the lens of 3.4 inches and the the 1/2 inch to the focusing plane and the fact that his point of focus is a few inches (maybe about 3) behind the closest point , you'll come close to the 20 cm (7.9 inches) min focusing dist.

    I forgot to mention that I've got this lens too and really love it. Very, very, very low distortion and fantastic for doing some really fun closeup portraits.
    Last edited by deadpixel; 18th August 2004 at 06:33 PM.

  12. #12

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    I also have this lens and I love it to death too

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