Diameter (mm):

20.40 +0.1/-0.3

Effective Focal Length EFL (mm):

25.00

Numerical Aperture NA:

0.40

Float Glass

Focal Length Tolerance (%):

±7

Coating:

MgF₂ (400-700nm)

Coating Specification:

R_avg ≤ 1.75% @ 400 - 700nm

Centering (arcmin):

≤30

Surface Quality:

80-50 (typical)

Center Thickness CT (mm):

5.30 ±0.2

f/#:

1.23

Bevel:

Protective bevel as needed

Radius R₂ (mm):

Plano

Shape of Back Surface:

Plano

Type:

Condenser Lens

Wavelength Range (nm):

400 - 700

Conjugate Distance:

Infinite

RoHS 2015:

Certificate of Conformance:

Reach 235:

聚光透鏡為模壓透鏡，專為照明應用設計。聚光透鏡具備大孔徑和短焦距，普遍使用於發射器-探測器應用、投影應用、聚光照明應用，例如 Koehler 照明。非球面聚光透鏡於非球面表面模壓，並於反側表面研磨拋光，提供卓越效能。平凸 (PCX) 聚光透鏡於兩側表面模壓，提供絕佳價值。

20.4mm Diameter x 25mm FL, MgF2 Coated, PCX Condenser Lens

20.4mm Diameter x 25mm FL, MgF₂ Coated, PCX Condenser Lens