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Question this message is importantHello,
I'm currently working on a project with Salmon fish in Norway.

The goal i to have a [b]high resolution and very sharp picture of a fish moving in front of an underwater camera in the Fjords[/b].
I tried with a GoPro 4 using high FPS video , "normal photo ", timelapse etc. and I always end up with a blurry picture. I thought about different ways to do as :
- Use lights with fast shutter speed : Problem > I must not have any light reflection on the fish skin
- Move the camera while the fish is moving : I tried at my office with a simple object, I got sharper image but it still blurry
- Use a very high speed camera (1000fps for example) : Didn't try that
- Use a very high ISO camera like the Sony a7S II : Didn't try that
- Use a special algorithm for motion blurry ([url=""][/url]) : Try it, a bit sharper but not enough

What would be according to you th...
Mathieu Foru
27 point member
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message What would be according to you the best way to do so ?
See attached an example of the blurry pic I got.
Thank you !
Mathieu Foru
27 point member
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Answer Hi Mathieu; for a still image you need a fast shutter speed to stop the action of a moving fish. 1/500th second or faster for Dolphins, your Salmon shouldn't have a lot of motion blur even at 1/250th or faster. Better yet, is to use a flash which will stop action because it's duration might be 1/20,000th second. To use these speeds you need a lot of light, so if a flash is impractical try shooting mid day in bright sun, use a high ISO on the camera, and consider using an reflector if you can to bounce sunlight onto your scene. Hope that helps!
7010 point member
steven member image
message Thanks for your answer, so basically it is impossible to use lights and to dont have the light reflexion on the skin of the fish ?

Mathieu Foru
27 point member
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message I don't think so Mathieu, the flash can be soft and subtle with no overexposure, it just has to fire at a low power and balanced with the natural light. It is possible to "flash fill" with light that looks like no flash was used. Try reading the natural light and under exposing about a half stop, then flash fill on low power and maybe a diffuser.. This shoul produce a soft light that fills in shadows without the hot spot of a shiny fish. There is a guy named Eiko Jones that does a lot of beautiful Salmon work, and Uwe Schmulke has some epic over/unders on this site that you should check out- good luck!
7010 point member
steven member image
message Thank you so much ! I will contact those guys ! Have a wonderful day !
Mathieu Foru
27 point member
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