Biconvex Lenses

Biconvex Lenses are ideal for finite conjugate imaging over a narrow spectral range. Esco manufactures biconvex lenses from S1-UV Grade Fused Silica, G1 Fused Quartz, Commercial Grade, and BK7 Optical Glass. The edges are fine ground and beveled and every lens is pitch polished to provide good surface quality and excellent low-cost imaging performance with a variety of light sources.


Focal Length Tolerance +/- 3%
Diameter Tolerance +/- 0.125 mm
Thickness Tolerance +/- 0.5 mm
Design Wavelength 546 nm
Centration <3'
Surface Quality 60-40 scratch-dig
Edges Fine ground and beveled

Quality Optics from a Trusted Supplier

American Owned & Operated

Esco Optics is a leading manufacturer of custom and catalog optics, precision optical components, and ITAR optics in the United States.

Military & Defense Supplier

As the leader for military and defense optics in the United States, Esco Optics adheres to the International Traffic in Arms Regulations.

ITAR Registered & Compliant

ITAR registered and compliant, Esco manufactures ITAR optics for all of its customers with the strictest confidentiality.