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Wide angle lenses

  • 16-07-2011 11:00am
    #1
    MrThrifty
    Registered Users, Registered Users 2 Posts: 491 ✭✭


    I'm trying to use a basic digital camera to take photos of the rooms of a house for selling purposes. But the problem is that I can't get back far enough to fit everything in due to the field of view of the camera. I've played around with panorama stitching software and a fisheye lens adaptor but the results aren't great.

    What I really need is a camera with a wider field of view. The camera I'm using has an f of 8-24mm - it's my understanding that the smaller number applies when zoomed out. But even though people talk about focal lengths relating to field of view angle, I thought it was also equally dependent on the CCD sensor size. Am I off the mark in my thinking here?


Comments

  • #2
    5uspect
    Moderators, Arts Moderators Posts: 10,520 Mod ✭✭✭✭5uspect


    You're not wrong. The smaller the focal length the wider the angle of view. However your small camera has a small sensor and therefore the numbers you quote don't really mean anything unless we know the equivalent focal length to a 35mm camera.

    So a 10mm lens on a "full frame" 35mm will be very wide. Put that lens on an APS-C camera with a 1.6 crop and you get a field of view equal to a 16mm lens on the 35mm. You simply don't have anything in the outer parts of the image circle to capture light.

    Your camera would have an even smaller sensor, 5 perhaps. So 8-24mm is probably something like 40-120mm which isn't very wide.

    What model are you using?


  • #3
    MrThrifty
    Registered Users, Registered Users 2 Posts: 491 ✭✭MrThrifty


    5uspect wrote: »
    You're not wrong. The smaller the focal length the wider the angle of view. However your small camera has a small sensor and therefore the numbers you quote don't really mean anything unless we know the equivalent focal length to a 35mm camera.

    So a 10mm lens on a "full frame" 35mm will be very wide. Put that lens on an APS-C camera with a 1.6 crop and you get a field of view equal to a 16mm lens on the 35mm. You simply don't have anything in the outer parts of the image circle to capture light.

    Your camera would have an even smaller sensor, 5 perhaps. So 8-24mm is probably something like 40-120mm which isn't very wide.

    What model are you using?

    I'd be embarrassed to tell you the model - when I said basic, I really meant basic! As in a compact, non-SLR toy type yoke!!

    I get most of what you're saying though. Just checked the camera manual and it says the zoomed out focal length is equivalent to 36mm on a 35mm camera. Can't understand why this info isn't printed on the camera though.

    Anyway, I think a trip to a camera shop is in order at this stage to see, either to buy a cheapie or maybe rent something.


  • #4
    CabanSail
    Moderators, Category Moderators, Arts Moderators, Entertainment Moderators Posts: 9,047 CMod ✭✭✭✭CabanSail


    I doubt you will get a compact camera, or even a bridge, with a lens wide enough for what you want to acheive.

    You could hire a camera and super wide lens & it will be what you are after. Do you think you will get the results you want with only a short time with an unfamiliar camera and only a basic knowledge of photography?

    I would suggest that you may be better advised to hire a photographer to take the images you need. This will probably be about the same price as the equipment hire and you will get the expertise of a person who knows how to take the photographs and then process them into the images you require.


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