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Thread: Lens kit f/3.5-5.6 question

  1. #1

    Default Lens kit f/3.5-5.6 question

    Hi,

    My Canon stock lens EF-S18-55mm is stated as f/3.5-5.6. At what condition one can
    utilise it at 3.5 and when it becomes 5.6?

    Thanks!

  2. #2

    Default Re: Lens kit f/3.5-5.6 question

    Quote Originally Posted by a-z0-9 View Post
    Hi,

    My Canon stock lens EF-S18-55mm is stated as f/3.5-5.6. At what condition one can
    utilise it at 3.5 and when it becomes 5.6?

    Thanks!
    Turn to AV mode, using 18mm (widest) and try reducing the av to the lowest...
    Then zoom to 55mm and try reducing it to the lowest again.. try taking pics at different av (same ISO) and compare your pic...

    must let u explore your lens... hahaz...

  3. #3
    Senior Member luna_sea83's Avatar
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    Default Re: Lens kit f/3.5-5.6 question

    at 18mm, lowest A num is 3.5

    at 55mm, lowest A num is 5.6

    Hope this helps

  4. #4
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    Default Re: Lens kit f/3.5-5.6 question

    Quote Originally Posted by luna_sea83 View Post
    at 18mm, lowest A num is 3.5

    at 55mm, lowest A num is 5.6

    Hope this helps
    yep. the max aperture is f/3.5 at 18mm. and 55mm the max is f/5.6.
    so there is no way to use a f/3.5 at 55mm.

    unless u get a better lens.
    EOS 6D | GH4 | LX100 | HERO4

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