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| Increase Your ISO If You Cannot Stabilize Your Camera SUMMARY: Increase your digital camera's ISO setting to allow for less available light and introduce just a slight level of noise into your photos.
A higher ISO setting allows you to take digital photos with quicker exposures at the expense of overall image quality. This can be crucial when taking photos at night without a tripod or other stabilization device, such as in certain urban situations.
To get enough light for a decent photo, you may normally have to keep your digital camera still for 1/15th of a second or longer else blurred photos may result. This is extremely difficult to do if you are holding your camera; even if you brace yourself up against a wall some shake is bound to occur.
With a higher ISO setting, you could get away in the same situation with perhaps a 1/30th of a second exposure or faster. The higher the ISO number, the faster you can take the photo, but more grain (noise) will be introduced. You should be able to get by with an ISO of 200 with medium and high-end prosumer cameras. With a digital SLR, even an ISO of 400 or 800 might introduce just an acceptable level of noise into your photos.
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