30 mm N-BK7 Plano-concave Lens, AR Coated

Product description

The plano-concave lens made from N-BK7 is ideal for applications in projection, beam expansion, and image reduction. With a broad transmission range of 0.7-1.7 μm and 400-700 nm, it effectively manipulates light for various optical systems. This lens features a clear aperture of 85%-95% and a flatness of 1/4 lambda, ensuring high-quality performance in demanding environments. Its customizable options allow for tailored solutions to fit specific project requirements.

Key Features

Diameter of 30 mm for versatile integration in optical systems.
Thickness of 100 mm, providing stability and durability.
Clear aperture of 85%-95% enhances light transmission efficiency.
Flatness of 1/4 lambda ensures superior optical performance.
Customizable support for OEM, ODM, and OBM projects.

Applications

Projection

Specification Summary

Item	Value
Material	N-BK7
Shape	Plano-concave
Diameter	30 mm
Thickness	0.1 mm
Coating	anti-reflective (AR)
Transmission bands	NIR (0.7-1.7 μm), VIS (400-700 nm)

Full Specifications

Parameter	Value
Type	biconcave lens; Concave lens
Customized Support	OEM, ODM, OBM
Warranty	3 Years
Weight	0.5
Color	Transparent
Clear Aperture	85% ~95%
Flatness	1/4lambda

FAQ

What are the tolerances for thickness and diameter?

Thickness tolerance is +/-0.1 mm, and diameter tolerance is +/-0.2 mm.

Can I get custom sizes for this lens?

Yes, custom sizes are available with diameters ranging from 10-300 mm.