CCTV cam and lens

Discussion in 'Photography Beginners' Forum' started by Luken8r, Jun 27, 2008.

  1. Luken8r

    Luken8r TPF Noob!

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    Im not sure if this is the place, but this is my first post, so here I go

    Im working on a CCTV camera that has a 1/3" cmos sensor
    This guy
    http://www.ueye.com/frontend/catalo...le=menue3&form_KatID=5&nav1=25&nav2=59&nav3=5

    But the lens that came with the system is a 1/2" lens
    This guy here
    http://www.tamron.com/cctv/prod/12vm412asir.asp

    My problem is that I need a wider viewing area. I need to mount the camera on a car and the field of view isnt wide enough for my application. The lens says it has a field of view of 93* which should be good, but when I actually measure the FOV, its only like 63* which doesnt work

    My question is, what happens when you put a 1/2" lens on a camera that has a 1/3" sensor. If the answer is a smaller FOV, then we are going to need a different lens that matches with the camera. I have no clue about lenses and cameras and the like. Is there a quick FAQ for this stuff? I wasnt able to find anything when I did a quick search.
     
  2. Solthar

    Solthar TPF Noob!

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    Well, I'm definatly a beginner in the field of photography, so feel free to correct me if I'm wrong...

    To me it seems the answer is rather similar to the issue of Full Frame vs Crop Cams. The sensor takes up less of the lens than it was designed for, resulting in a tighter field of view.
     

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