Watch a DSLR camera shutter activate at 10,000 FPS

[Scorpus]

Ever wondered what a DSLR camera looks like when it's taking a photo? If you have, you probably haven't been able to see it with your naked eye, because the mirror and shutter move far too quickly. Instead you're left with a flash of black and an iconic clicking noise as the mechanical shutter activates.

So to discover what's actually going on inside your camera when you press the shutter button, you'll need to record it at 10,000 frames per second, then slow it down. The fantastic Slow Mo Guys have managed to do just that, capturing a Canon 7D shutter at up to a 1/8000s exposure to see how the mechanical portion of a DSLR functions.

The results are quite fascinating, showing the mirror pop out of the way before the shutter activates. You can even see the effects of a rolling shutter, which is explained fully in the video above.

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[Uncle Al]

High shutter speeds seem to be all the rave, but depth of field is sacrificed in equal proportion so if your focus is not dead on, you'll still see a fuzziness. Of course, in the days of Ansel Adams, using his old 8x10 and 11x14 view camera's, the optimum exposure time was measured in seconds, even minutes. I did one factory landscape years ago where my 8x10, set at f128 (for increased depth of field) was multiple exposures. One for the over all landscape, one for the lighting (turned off during the longer exposure, and a final one with a slight flash to expose the plant manager standing in the foreground. Total time to make that picture was just over 2 hours.

Unfortunately one of the losses in digital photography can be color saturation. Many films perform better when the exposure is longer allowing it to "soak up" the light. Also, there was often a temperature difference between tungsten lighting and daylight requiring a corrective filter, of course for the more creative picture, no filter was used. Also in longer exposures there is an issue called resoprosity which can cause color shifts.

Bottom line: For those just wanting pictures, digital photography has considerable advantages. For those that want to fully explore their creative side, an old box camera using film offers more ... but patience is the key & not being afraid to try something entirely different can yield spectacular results; not to mention the incredible fun of actually developing your film and printing ..... oh, those were the days!

 

[madboyv1]

That poor 7D... ha ha. Well professional SLR bodies aren't built like Mack trucks for nothing.

 

[9Nails]

Rolling shutters; I guess I kind of knew, but haven't watched such a good example of how they distort the picture. So I learned something from this video.