E-22-492 25mm Dia. x 60mm FL, NIR I Coated, Achromatic Lens

Fosco Connect Part No.: E-22492

E-22492 25mm Dia. x 60mm FL, NIR I Coated, Achromatic Lens

Specifications

Diameter (mm): 25.00 +0.0/-0.025

Effective Focal Length EFL (mm): 60.00

Focal Length Tolerance (%): ±2

Back Focal Length BFL (mm): 52.96

Focal Length Specification Wavelength (nm): 880.00

Clear Aperture CA (mm): 24.00

Centering (arcmin): <1

Center Thickness CT 1 (mm): 8.00

Center Thickness CT 2 (mm): 4.00

Center Thickness Tolerance (mm): ±0.2

Radius R₁ (mm): 36.27

Radius R₂ (mm): -33.80

Radius R₃ (mm): -248.86

Edge Thickness ET (mm): 9.46

N-LAK22 / N-SF6

Surface Quality: 40-20

f/#: 2.4

Numerical Aperture NA: 0.21

Coating: NIR I (600-1050nm)

Coating Specification: R_avg ≤0.5% @ 600 - 1050nm

Power (P-V) @ 632.8nm: 1.5λ

Irregularity (P-V) @ 632.8nm: λ/4

Bevel: Protective bevel as needed

Type: Achromatic Lens

Wavelength Range (nm): 600 - 1050