If it's a picture OF the sun that you want, there are special, "center-spot" filters -- a very dark circle in the center and clear around it -- that mimic the effect of an eclipse. If you are talking about the sun being an incidental part of the picture -- as in a sunset -- exposure is usually short enough that it isn't really a problem. Just don't spend an inordinate amount of time looking through an optical viewfinder where the sun is in your eye -- it CAN burn your retina. When the sun (or any bright, essentially point-light source) in within the frame of your image, you are very likely to get flare (wiki
) as part of the resultant picture. The situation exacerbates ghosting (secondary reflections of the primary image off glass surfaces within the lens), too. Some lenses are less prone than others, but it's a problem for all of them. Lastly, don't leave a lens / camera pointed at the sun -- it can cause major damage.
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