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Heat Haze at -2

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  • Heat Haze at -2

    Guys,
    I was down the local today and the temperature realy got above -2 yet on photos taken of the planes on the runway at about 200mm i was suffering heat haze.

    Could this be a problem with my camera as -2 is not my definition of warm?
    Thanks
    Ryan

  • #2
    Heat haze is also visible on a clear sunny winterday with temperatures below freezing point.
    Off-course way less then in midsummer, but in some situations you can see it midwinter as well.
    Especially above snowy surfaces.

    So, you don't have to throw your camera away

    Freek

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    • #3
      Freek,
      Thanks for that explanation.
      Ryan

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      • #4
        Heat haze relies on a difference in temperature layers....not the ambient temperature.

        You can have an air temperature of -2C.....but if the sun is warming the ground to a higher temperature then you will get a layer of warm air at ground level to a variable altitude, with a colder layer above it.
        Warm air transmits light at a different frequency to cold air.....therefore......heat distortion where the layers meet.
        If it 'ain't broken........ Don't try to mend it !

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        • #5
          Originally posted by brianw999 View Post
          Warm air transmits light at a different frequency to cold air.....therefore......heat distortion where the layers meet.
          Not quite, it changes the speed of the light so the effect you see is diffraction, it's similar to what happens when light hits water. Essentially it 'bends' or changes the direction of the light, and because air is constantly moving, you see constantly shifting rays of light. The actual frequency stays the same.

          I'm a pedantic git, I know. I'll get back to my red wine now!

          Paul

          P.S. Brian... If you kill me will you at least fix me afterwards?
          Last edited by PMN; 2009-12-19, 21:38.
          Seeing the world with a 3:2 aspect ratio...

          My images on Flickr

          Comment


          • #6
            Originally posted by PMN View Post
            Not quite, it changes the speed of the light so the effect you see is diffraction, it's similar to what happens when light hits water. Essentially it 'bends' or changes the direction of the light, and because air is constantly moving, you see constantly shifting rays of light. The actual frequency stays the same.

            I'm a pedantic git, I know. I'll get back to my red wine now!

            Paul

            P.S. Brian... If you kill me will you at least fix me afterwards?
            Not Quite right

            The Speed of light is always constant. But yeah, its right other than that.
            Sam Rudge
            A 5D3, some Canon lenses, the Sigma L and a flash

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            • #7
              Originally posted by Simpleboy View Post
              Not Quite right

              The Speed of light is always constant. But yeah, its right other than that.
              Go on... Explain! My understanding is the speed is changed slightly and that changes its direction a little? That's probably dramatically over-simplistic but hey... I'm a bass playing photographer. What do you expect?
              Seeing the world with a 3:2 aspect ratio...

              My images on Flickr

              Comment


              • #8
                The Speed of light is always constant,
                Time dilates and lengths contract to compensate, and dont ask how, my Uni course only spent a week on this stuff (just finished first year physics)

                But your drastic oversimplification is (otherwise) spot on, The difference in air temperature changes the density which causes the refraction of the wave, and in any non electromagnetic wave it does slow down/speed up to cause the effect.
                Im just being picky. It effectively has slowed down but due to all this relativity bullshit it hasnt really.
                Sam Rudge
                A 5D3, some Canon lenses, the Sigma L and a flash

                Comment


                • #9
                  Originally posted by Simpleboy View Post
                  The Speed of light is always constant,
                  Time dilates and lengths contract to compensate, and dont ask how, my Uni course only spent a week on this stuff (just finished first year physics)

                  But your drastic oversimplification is (otherwise) spot on, The difference in air temperature changes the density which causes the refraction of the wave, and in any non electromagnetic wave it does slow down/speed up to cause the effect.
                  Im just being picky. It effectively has slowed down but due to all this relativity bullshit it hasnt really.
                  I was being picky in the first place so I guess that was fair! Thanks for the explanation.

                  Paul
                  Seeing the world with a 3:2 aspect ratio...

                  My images on Flickr

                  Comment


                  • #10
                    Wouldn't it be far easier to just blame the camera?
                    My photos on Flickr www.flickr.com/photos/geridominguez

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                    • #11
                      Originally posted by LX-A343 View Post
                      Wouldn't it be far easier to just blame the camera?
                      Or Beervision.

                      Paul
                      Seeing the world with a 3:2 aspect ratio...

                      My images on Flickr

                      Comment


                      • #12
                        Originally posted by PMN View Post
                        Or Beervision.

                        Paul
                        Ahhhhh, now we're talking.
                        If it 'ain't broken........ Don't try to mend it !

                        Comment


                        • #13
                          Originally posted by LX-A343 View Post
                          Wouldn't it be far easier to just blame the camera?
                          Yes...especially when it's being held by some daft sod taking pictures in the pouring rain at Zurich-Kloten when he could be at home surrounding a nice red wine.

                          If it 'ain't broken........ Don't try to mend it !

                          Comment


                          • #14
                            Originally posted by brianw999 View Post
                            Yes...especially when it's being held by some daft sod taking pictures in the pouring rain at Zurich-Kloten when he could be at home surrounding a nice red wine.

                            Old git!
                            My photos on Flickr www.flickr.com/photos/geridominguez

                            Comment


                            • #15
                              Originally posted by LX-A343 View Post
                              Old git!
                              No, sensible git! Well... OK. Old and sensible!

                              Paul
                              Seeing the world with a 3:2 aspect ratio...

                              My images on Flickr

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