Cool Earth SolarBoffins preparing to make light - Economist
Cool Earth SolarBoffins preparing to make light
Economist, UK - 6 hours ago
That means a smaller area of cell can be used to convert a given amount of light into electricity. This, though, brings another cost—that of the mirrors ... |
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Flickr: Discussing Viewfinder cap? in α - Sony Alpha dSLR Cameras The point is so that your long low- light exposure isn't corrupted by light filtering into the mirror box from the viewfinder. It was mentioned in my 200 manual, but I've never used it myself. Posted 7 hours ago. ( permalink ) ...
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