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Lense question

  • 02-05-2006 5:09pm
    #1
    EireRoadUser
    Closed Accounts Posts: 650 ✭✭✭


    Can a lense be damaged if the zoom is used while taking a shot.

    I've started to zoom in long exposures ,but the lense I was using aperture changes while zooming so I hope I didn't break it or anything ????


Comments

  • #2
    rymus
    Registered Users, Registered Users 2 Posts: 8,819 ✭✭✭rymus


    highly doubtful.. if that was the case, a good percentage of the worlds lenses would be binned by now.


  • #3
    Dimy
    Closed Accounts Posts: 709 ✭✭✭Dimy


    I doubt you can break something with that, in fact you can create quite cool "tunnel" effects with it.


  • #4
    EireRoadUser
    Closed Accounts Posts: 650 ✭✭✭EireRoadUser


    I wasn't sure whether the aperture motor that keeps it closed would get damaged as I zoom in or out while it's running ,thanks.


  • #5
    heffsarmy
    Registered Users, Registered Users 2 Posts: 911 ✭✭✭heffsarmy


    EireRoadUser sounds like you have a zoom for instance 70-200mm with f2.8-f4, at the lower zoom range 70-100mm it would be f2.8 and when you zoom 100mm to 200mm the aperature will change to f4. You could buy a zoom with a constant f2.8 throughtout the zoom range which would be 70-200mm f2.8.


  • #6
    Borderfox
    Registered Users, Registered Users 2 Posts: 10,263 ✭✭✭✭Borderfox


    A quick trip to your local bank with a balaclava and a sawn off will make this possible :)


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  • #7
    EireRoadUser
    Closed Accounts Posts: 650 ✭✭✭EireRoadUser


    Ì was really just concerned about the diaphragm
    I wasn't sure if the mechanism that holds it closed got damaged if the lense zoom was used during the exposure.

    The lense I'm using for it is a 24-85 3.5-4.5 so there isn't a hell of a lot of movement ,but I don't want to break it thats all.


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