λ/10 Meniscus Lenses

2 Results

Meniscus Cylindrical Lens
from ECOPTIK (CHANGCHUN) LTD

Meniscus Cylindrical Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical assembly. This lens shape is best used... [See More]

Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10
Center Thickness: 2 to 20

Lens Application: Visible
Materials: Sapphire; Optical Glass, Fused Silica

Spherical Lens
from Changchun Sunday Optics Co., Ltd.

The H-K9L double concave lens has excellent transmittance from visible to near infrared (350-2000nm).H-K9L (N-BK7) is a commonly used optical glass for the preparation of high-quality optical elements. When the additional advantages of UV melting quartz (good transmittance and low thermal expansion... [See More]

Surface Flatness: λ/10
Materials: Germanium; Sapphire; Optical glass, UVFS, Germanium, Silicon, CaF2, MgF2, ZnSe ZnS, Sapphire

Lens Application: Infrared; Visible
Surface Quality: 10-5 Scratch / Dig