Aspherical Molding Glass Lens D4mm NA0.4 Collimating Lens – EFL4(NA0.4)

21 Sep 2020

Sepcification 

Diameter (mm):

4mm +0/-0.02mm

Effective Focal Length EFL (mm):

4mm@ 405nm

Numerical Aperture NA:0.4

Focal Length Tolerance (%):±1

Center Thickness CT (mm):2mm+/-0.02mm

Coating:Ravg<0.5%@405nm

Substrate:D-ZK3

Clear Aperture CA (mm):3.2mm

Surface Quality:60-40

Edge Thickness ET (mm):1.395mm

Bevel:Protective bevel as needed

f/#:4mm

Compatible Window:

Thickness: 2 (t) (mm)
Material:D-ZK3

Distance from Window to Lens (D) (mm):2.92mm

BRDAS Lens Code:BRD8800-AP

Operating Temperature (°C):≤200

Wavelength Range (nm):405nm+/-20nm

Typical Applications:

Collimate or Focus Laser Light

Working Distance (mm):2.92mm

Conjugate Distance:Infinite

Packing&inspection