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Thread: Pls help on f1.4 50mm lens. photo quality not good as seen.

  1. #41

    Default Re: Pls help on f1.4 50mm lens. photo quality not good as seen.

    Quote Originally Posted by huatman View Post
    U shot at wide open? f/1.4? Always?
    To me, I feel canon image tend to be a bit softer compare to others.
    Yes, i was so trigger happy and i used most of my photos on F/1.4.. .. Indeed, it is "soft"
    Now i realized my mistake. feel bad for that person i took her photos.. doesn't like sharp...

  2. #42

    Default Re: Pls help on f1.4 50mm lens. photo quality not good as seen.

    Quote Originally Posted by dennisc View Post
    600d is a capable camera, 50 1.4 is a great piece of glass, I like the contrast, used it on the 20d years back. PMed you
    Thanks ^_^

    Will try that... ^_^

  3. #43

    Default Re: Pls help on f1.4 50mm lens. photo quality not good as seen.

    Quote Originally Posted by ricohflex View Post
    Try to use one of your friend's 1Ds class camera that has a EC screen fitted with rangefinder split focusing screen.

    Use the split image to focus the 50mm f1.4 lens on a lens test chart. Shoot at f1.4.

    I knew a few having 60D . and one having 5D Mark III ...
    1D is.......... something i didnt event dream on..

    But thks anyway. Cheers ~ ^_^

  4. #44
    Member
    Join Date
    May 2006
    Location
    East
    Posts
    793

    Default Re: Pls help on f1.4 50mm lens. photo quality not good as seen.

    Firstly, shooting at f1.4 means super accurate focusing because zone of sharpness may only be a few cm, depending the camera to subject distance. This means that the slightest shift will result in a blur picture. And most lenses are never the sharpest wide open.

    Also it depends on the shutter speed - in the shade iso 200, shutter speed can be as low a 1/60 for f1.4 while out in the open is 1/2000. If your handholding technique is not good, the image will not be sharp even with stabilization.

    Solution - practice. I shoot wide open most of the time, at shutter speeds as low as 1/30 no stabilization. The slightest shift will result in a less than sharp image, whether due to focusing, or wrong hand holding technique or both. I have been practising for 20 years and still no guarantee.

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