400-700nmAR Laser Focusing Lens Dia 39mm Flat Concave Lens

Flat-concave Lens Dia: 39mm FL:- 80.4mm visible light 400-700nmAR green film lens Laser Focusing Lens

Description:

Size:39mm

Wavelength:400-700nm

Coating: AR(Anti-Reflective)

Material:H-K9L

Color:Green film

Advantages:

1.High transmittance, fast cutting speed

The transmittance could reach to 99.8%,Effectively enhance cutting speed,There are Anti-reflective coatings with high damage threshold on both sides of the lens,which can effectively reduce the loss caused by reflection.

2.Double sides coating, Strong durability

Long service life, more durable, double-sided coating can effectively protect the lens from splashes and other hazards, thus increasing the service life of the lens.

3.Excellent optical properties and good stability

It has good thermal stability, high temperature resistance and excellent laser resistance

4.It is easy to use and does not hurt hands

Humanized 45 degree protective full angle design, safe and easy to use without hurting hands

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