Binocular lenses
If the Lens of binoculars is the Front lens is meant. The front lens is the front lens of the objective.

Formally speaking, a Lens one lens system. An objective lens is therefore often meant when talking about a lens. The objective lens of binoculars gathers the light on a larger area than the EyeThe retina of our eyes has two different types of sensory cells or receptors, the cones (for day vision) and the rods (for night vision). " More info can. As a result, the binoculars are able to recognise distant objects with high resolution. enlarged.
The Diameter of the foremost lens of the objective, How much light falls into the binoculars and is therefore responsible for the brightness that Exit pupil and the Twilight number of great importance.
The The objective lens of a good pair of binoculars usually consists of two separate LensesThe use of aspherical lenses leads to a reduction in the overall length of the binoculars and in some cases to a significant reduction in weight. " More info; a so-called Crown glass and one flint glass element. The combination of these two Glass typesIn addition to the coating of optics, the glass quality or type of glass is one of the most important quality factors for binoculars and riflescopes " More info enables a true colour reproduction of the objects.
Selection of binoculars with different objective lens diameters in the DDoptics optics shop
25 mm lens
10x magnification
10x magnification
10x magnification
12x magnification
42 mm lens