Custom Size BK7 Optical Mirror

Product description

This BK7 front-surface mirror is designed for applications in astronomy, projection, and machine vision, providing reliable optical performance across the 400-700 nm wavelength range. With a protected aluminum coating, it ensures enhanced durability and resistance to scratches and corrosion. The mirror’s optical grade quality and angle-insensitive reflection make it ideal for use in high-standard optical systems, delivering consistent performance in demanding environments.

Key Features

Protected aluminum coating for enhanced durability and scratch resistance.
Surface quality of 60/40 ensures reliable performance in optical applications.
Flatness of 1/8 Lambda range (before coating) supports high wavefront quality.
Clear aperture greater than 90% maximizes light throughput.
Diameter tolerance of ‘+0/-0.2mm’ allows for precise fitting in custom applications.

Applications

Astronomy, Projection, Machine Vision

Specification Summary

Item	Value
Material	BK7
Size	Custom
Thickness	Custom
Surface Quality	60/40
Coating	protected aluminum, front-surface
Transmission bands	VIS (400-700 nm)

Full Specifications

Parameter	Value
Customized Support	OEM
Diameter Tolerance	‘+0/-0.2mm
Thickness Tolerance	‘±0.2mm
Flatness	1/8 Lambda range (before coating)
Clear Aperture	>90%

FAQ

Can I get custom sizes?

Standard sizes are available, but custom sizes may be supported through OEM options.

What are the tolerances for diameter and thickness?

Diameter tolerance is ‘+0/-0.2mm’ and thickness tolerance is ‘±0.2mm’.