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DA*55mm F1.4 SDM AF Speed K20D

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Uploaded by on Feb 28, 2009

DA*55mm F1.4 SDM AF Speed K20D

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Entertainment

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Standard YouTube License

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Top Comments

  • This lens is plenty fast for what it was intended for... Portraits.

  • i hate these focus videos sooo much

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All Comments (12)

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  • pretty ok focus,but more expensive than it's sharper competitors.

  • @asigravitate27 Me too.

  • !!!Awesome

    I like it so much 

  • Another video showing just how slow SDM is. Might as well go back to manual focus!

  • This lens looks awesome.

    Is it worth a buy according to its performance and image quality?

  • could you do a test with the lens cap off and focus on object in the room or something for a real life focus speed test :)

  • My old SMC-M 50 f/1.7 has a long focus throw, which allows for precise manual focusing and is useful when shooting wide open. Perhaps, the long throw makes this lens's AF slower, than say DA 17-70 SDM which has a 45 degree focus throw and is not as MF friendly. Also, my DA 40 has a rather short focus throw and is famous for having fast AF.

  • well.. I believe, that it brings no big problem in real situation. They obviously focused on precision (needed at F1.4-F2.8) rather than on sped... but for example sigma's HSMII on 70-200 is another level.. user can switch from nearest to infinity very quickly and still its accurate.

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