Feb 22
Lens hoods are most necessary when you want to take pictures with the camera pointing close to a strong light source, particularly the sun. They help to protect the lens when stood on a surface or in your camera bag and when changing lenses – helps to keep your fingers away from the front of the lens. For short lenses it is very easy to put your fingers on the front element, leaving dirty finger marks on the surface. With very wide angle lenses, the surface of the lens needs to be kept spotless, as dust is less out of focus than with longer lenses.
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