Double concave lenses are used in beam expansion, image reduction, or light projection applications. These lenses are also ideal for expanding the focal length of an optical system. double concave lenses, which have two concave surfaces, are Optical lenses with negative focal lengths.
The double concave lenses are used in optical systems in combination with other lenses. The lenses also work as beam expanders, optical character readers, viewers and projection systems. Under customer request anti-reflection or other types of coatings can applied.
Standard BK7 Double Concave Lenses
