E-47-380 25mm Dia. x 150mm FL, NIR II Coated, Achromatic Lens

Fosco Connect Part No.: E-47380

E-47380 25mm Dia. x 150mm FL, NIR II Coated, Achromatic Lens

Diameter (mm): 25.00 +0.0/-0.025

Effective Focal Length EFL (mm): 150.00

Focal Length Tolerance (%): ±1

Back Focal Length BFL (mm): 143.90

Focal Length Specification Wavelength (nm): 880.00

Clear Aperture CA (mm): 24.00

Centering (arcmin): <1

Center Thickness CT 1 (mm): 6.00

Center Thickness CT 2 (mm): 4.00

Center Thickness Tolerance (mm): ±0.2

Radius R₁ (mm): 84.66

Radius R₂ (mm): -84.66

Radius R₃ (mm): -1071.91

Edge Thickness ET (mm): 9.00

N-LAK22 / N-SF6

Surface Quality: 40-20

f/#: 6.00

Numerical Aperture NA: 0.08

Coating: NIR II (750-1550nm)

Coating Specification:

R_abs ≤1.5% @ 750 - 800nm
R_abs ≤1.0% @ 800 - 1550nm
R_avg ≤0.7% @ 750 - 1550nm

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): 750 - 1550