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Thread: Step down ring affect the image?

  1. #1

    Default Step down ring affect the image?

    Hi,

    Like to know. My lens is using 77mm filter to 67mm.
    If i use a step down ring, Does it affect the pics quailty? Letting less light to come in?

    If I m using a step up ring from 67mm to 77mm does it allow more light to come in?

  2. #2

    Default Re: Step down ring affect the image?

    Quote Originally Posted by cklingkwok View Post
    Hi,

    Like to know. My lens is using 77mm filter to 67mm.
    If i use a step down ring, Does it affect the pics quailty? Letting less light to come in?

    If I m using a step up ring from 67mm to 77mm does it allow more light to come in?
    I'm assuming you are using a 77mm filter on a 67mm lens...In this case, no effect on the image quality.

    However, if you are using a 67mm filter on a 77mm lens, then u will get vignetting effects especially on the wide angles.

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