A collar or hood at the front of a lens that keeps unwanted light from striking the lens and causing image flare. May be attached or detachable, and should be sized to the particular lens to avoid vignetting.
An attachment to the front of a lens that prevents extraneous light from shining directly onto the lens and producing flare.
A Bellows or Hood at the front of a lens that keeps unwanted light from striking the lens and causing image flare. Should be sized to the particular lens to avoid vignetting. (see Bellows, Flare, Hood & Vignetting)
a must for any serious photographer, both in terms of protecting the image from non-image-forming light, and also errant finger prints, or worse
Either attachable or detachable, this cover for the front of the lens acts as a guard to keep unwanted light from striking the lens and causing image flare. It is important that the size of your lens shade matches the size of your lens to evade vignetting.
A shield made of thin metal or rubber that fits around a lens to prevent light from hitting the front of the lens and causing flare. Also called a lens hood.
A hood (detachable or permanent) at the front of a lens that keeps unwanted or stray light from striking the lens and causing flare. Lens hoods must be properly selected based on the type of lens to avoid vignetting of the image.