Term - Objective lens
|Objective lens||SWPP Photographic Glossary|
Thursday 28th May 2020
The second of two figures quoted on a pair of binoculars that indicates the diameter of the lens furthest away from your eye when you're looking through them. It's quoted in millimeters and the first figure is the magnification. A 10x50 pair, for example, has 10x magnification with a 50mm objective lens.
Information provided by: SWPP