Item	Value
Certification	CE, ISO9001
Place of Origin	Shaanxi, China(Mainland)
Usage	Optical system/ laser equipment
Structure	Plano-convex
Product name	Focusing lens
Material	Znse
Diameter	25mm FL=190.5mm
Color	Yellow
Surface quality	60/40,40/20,20/10
Coating	AR-coated
Surface Accuracy	1/4lambda
AR Coated reflectivity	＜0.3%
Clear Aperture(polised)	＞90%

Advantages :

1.High-quality ZnSe crystal

China PVD ZnSe material excellent optical properties up to 80W CO2 laser resistance.

2.Super coating process

Double-sided solid coating reduce laser loss , laser transmittance up to 99.5%

3.High precision process

Excellent substrate, precise sling , polishing , grinding process, high temperature laser resistance, long working life.

How to clean the lens ?

1.Use an air bulb to blow off any loose contaminants( dust, lint particles)

2. Squeeze a few drops of acetone onto the lens tissue, wetting the complete optic's diameter(smudges,fingerprints)

3.Using the cotton swab and distilled vinegar, wipe the lens, immediately use a wet cotton swab to remove any acetic acid, then clean with a clean dry cotton swab(spittle.oils)

Photo:

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