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A lens is an optical device which is capable of transmitting and refracting light.

Contributors in Lenses


bayonet mount

Photography; Lenses

A type of mount for removable lenses. Three to four projections on the lens are inserted into matching slots in the camera lens mount and the lens is rotated to be locked into place.

bellows focusing attachment

Photography; Lenses

A pleated expandable attachment placed between the camera and a lens to allow the lens to be moved with respect to the focal plane.

converter lens

Photography; Lenses

A device that attaches to the camera lens, changing the focal length.


Photography; Lenses

To reorient in relationship to the image sensor. This allows the pictures to be taken with the lens at an angle while keeping the focal plane parallel to the object being photographed, reducing the ...

personal computer (pc) micro nikkor

Photography; Lenses

A PC (shift) lens that also uses tilt to increase the focusing range.

personal computer (pc) nikkor

Photography; Lenses

A type of lens that can be shifted parallel to the focal plane, reducing or increasing the effects of perspective.

eyepiece correction lens

Photography; Lenses

A lens for adjusting the viewfinder diopter to correct for individual differences in vision.

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