Things that need to be firmware updated a77

Started Oct 22, 2011 | Discussions thread
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cyainparadise Veteran Member • Posts: 5,577
Re: Things that need to be firmware updated a77

A red light is used because the AF assist light is going to be used mainly at night or in a dark room. The red light helps preserve your night vision. Using a white light in a dark environment would mean that your eyes will take longer to re-adapt to the darkness.

http://www.flashlightreviews.com/qa/nightvision.htm

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