Focus Technology is dedicated to manufacturing high precision optical mirror from prototype to production. Ten years of experience in lens manufacturing and an army of the best trained and highly skilled work forces make Focus Technology much more professional and maintain competitive edge. 

Focus Technology offers laser quality Metallic Mirror at the lowest price. Our most commonly requested substrate materials are BK7, UV Fused Silica.

Technical Parameters:

Material:	BK7 Grade A Optical Glass
Typical Diameter (Φmm)	8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8
Typical Thickness (mm)	2.0, 3.5, 5.0, 6.5
Diameter Tolerance (mm)	+/-0.2 (General), +0.0/-0.02 (High Precision)
Thickness Tolerance (mm)	±0.2 (General), ±0.05 (High Precision)
Clear Aperture	>80% (Small Size), >95% (Large Size)
Parallelism	6 min. (General), 3 sec. (High Precision)
Surface Quality	80/50 (General), 10/5 (High Precision)
Flatness (per 25mm@633nm)	λ(General), λ/10 (High Precision)
Bevel (face width x 450)	<0.25mm
Coating	Uncoated, HR, PR, Ag, Al, Au Coating, etc.

Note for Mirror:
(1). Other optical glass or optical crystals of Mirrors are available.
(2). Custom-made Mirrors with any size from diameter 2mm to diameter 280mm and with shape of quadrate, triangular or other special sharp are available upon request.
(3). Thickness from 1mm to 30 mm are available upon request.
(4). Typical surface quality is 60/40, better precision such as 40/20,10/5 is available upon request.

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