The icci360 bods at Plymouth University are remaking their underwater camera with GO PRO HD HEROS – the reason for this is they have wider lenses(170 or 127 degrees)

This helps because as soon as you put a camera under water the millimetre measurement of the lens is no longer relavent due to the refraction of light through water… here are some images to illustrate how refraction works…

This is what as known as the angle of incident – where the light changes angle through the different substance…

And so starting wider allows their to be less blind spots for the dome projection – where the 5 images need to edge blend into one another

However another issue with the GOPRO HD HERO 2 is that the image goes soft with it’s curved lens underwater – so people have been experimenting with adapting the lens flatter for a much sharper image…

The other reason for using the GO PROS is that they now have a synch cable – meaning one button can switch them all on at once – allowing a bank of the things to be used together to get bullettime footage out in the water – as done for these surfing commericals


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