Field Flattener Lens
Encyclopedia
Field flattener lens is a type of lens
used in modern binocular
designs (e.g. Canon 10 x 42 L IS WP, 18 x 50 IS All Weather and Swarovski
EL 8.5 x 42, EL 10 x 42) and in astronomic telescopes
.
Field flattener lenses in binoculars improve edge sharpness and lower the distortion.
Lens
-Optics:*Lens , an optical element which converges or diverges light**Lens , a part of the eye**Corrective lens for correction of human vision***Contact lens, placed on the cornea of the eye**Photographic lens, a lens designed for use on a camera...
used in modern binocular
Binoculars
Binoculars, field glasses or binocular telescopes are a pair of identical or mirror-symmetrical telescopes mounted side-by-side and aligned to point accurately in the same direction, allowing the viewer to use both eyes when viewing distant objects...
designs (e.g. Canon 10 x 42 L IS WP, 18 x 50 IS All Weather and Swarovski
Swarovski Optik
Swarovski Optik is an Austrian manufacturer of sports optics, including binoculars, rifle scopes, telescopes, laser rangefinders and image intensifiers. Its headquarters are in Absam, Tyrol, where most of the products are developed and manufactured....
EL 8.5 x 42, EL 10 x 42) and in astronomic telescopes
Optical telescope
An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for making a photograph, or collecting data through electronic image sensors....
.
Field flattener lenses in binoculars improve edge sharpness and lower the distortion.