E5 vs E-M5 High ISO quick test shot from LR4 RC2

Started Apr 26, 2012 | Discussions thread
ravduc Senior Member • Posts: 2,056
Re: Why would anyone want to be shooting at iso 5000?

Mosswing, I have been using cameras for over 35 years and I can assure you that at F4 on a very cloudy day your camera at iso 400 will be shooting at approximately 1/500th of a second which should be able to stop anything moving at a rapid rate. In camera stabilisation will take care of camera shake. If you are using a 500 mm lens at F4, you will likely have to increase the shutter speed due to magnification to about 1000th of a second with IS, and increase your iso to 800 for a proper exposure. You don't need iso 5000. I would suggest that you take a closer look at the sunny f16 rule.

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