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Thread: Zoom and Focal Length

  1. #1

    Default Zoom and Focal Length

    No idea what happened to my post just now but it disappeared so im reposting...
    So i came across 2 lenses of similar focal length but differing zooms... i always thought focal length is equivalent to zoom... so i guess it isnt... so my question is... what is the difference between zoom and focal length

  2. #2

    Default Re: Zoom and Focal Length

    Zoom means you can vary the focal length. E g. 24-70 means you can shoot between focal length of 24mm to 70 mm.

  3. #3
    Moderator Octarine's Avatar
    Join Date
    Jan 2008
    Pasir Ris

    Default Re: Zoom and Focal Length

    Something to read: Understanding Camera Lenses
    First of all, forget the word zoom when it comes with funky numbers (e.g. 11x zoom) - it's marketing crap. What matters is only the focal length (used at a certain sensor format).


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