21x5 mm N-BK7 Plano-concave Lens, AR Coated

Product description

The plano-concave lens made from N-BK7 is ideal for machine vision applications, providing high optical transmission and clarity. With a focal length of 5.0 mm and a diameter of 21.0 mm, it effectively diverges light, making it suitable for various optical systems. The lens features anti-reflective coatings to enhance performance in demanding environments, ensuring reliability and consistency in optical applications.

Key Features

Focal length of 5.0 mm for effective light divergence.
Diameter of 21.0 mm with a tolerance of 0.00/-0.05 mm for precise fitting.
High optical transmission due to precision polishing for superior clarity.
Customizable options available for diameter and thickness to meet specific needs.
Manufactured from durable N-BK7 glass for excellent environmental stability.

Available Sizes

Diameter x Focal Length (mm)
21 x 5

Applications

Machine Vision

Specification Summary

Item	Value
Material	N-BK7
Shape	Plano-concave
Diameter	21 mm
Focal Length	5 mm
Coating	anti-reflective (AR)

Full Specifications

Parameter	Value
Type	Achromatic Lens, Aspherical Lens, Biconvex Lens, Concave Lens, Convex Lens, Plan…
Customized Support	OEM, ODM
Warranty	2 Years
Weight	15g
Key Word	Convex Lens
Service	OEM ODM Private Label Service
Main Material	Glass
Clear Aperture	90%
Diameter Tolerance	0.00/-0.05mm

FAQ

What is your MOQ for optics?

There is no minimum order quantity (MOQ) for customers.

Can I get custom sizes?

Yes, custom diameter and thickness options are available based on customer specifications.