 wayne langston |
Lens Hoods What is the "real" purpose for a lens hood? Some use it, some don't. What do y'all think?
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- Carlton Ward Contact Carlton Ward Carlton Ward's Gallery |
The "real" purpose of a lens hood is to keep lens flare in check. Lens flare can cause an image to look washed out and also show as visible artifacts which look something like green or red spots across the image. You see this a lot with motion pictures where there are colored dots coming across the frames usually going from small at the top and increasing in size as it gets closer to the center of the frame. Lemme see if I can find an example image... This example image is more of a result of shooting directly into the sun but you can see a couple of green spots and the washed out look I am talking about. Lens hoods are also a must for shooting through glass like an aquarium to cut the reflections off the glass of the objects behind you that will also reflect off the glass. I have a rubber lens hood I use just for these type shots. It also works well for protecting the lens if you should drop your camera and dont have the lens cap on. Hope this helps.
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