E-22-488 25mm Dia. x 35mm FL, NIR I Coated, Achromatic Lens

Fosco Connect Part No.: E-22488

E-22488 25mm Dia. x 35mm FL, NIR I Coated, Achromatic Lens

Diameter (mm): 25.00 +0.0/-0.025

Effective Focal Length EFL (mm): 35.00

Focal Length Tolerance (%): ±2

Back Focal Length BFL (mm): 26.87

Focal Length Specification Wavelength (nm): 880.00

Clear Aperture CA (mm): 24.00

Centering (arcmin): <1

Center Thickness CT 1 (mm): 11.00

Center Thickness CT 2 (mm): 4.00

Center Thickness Tolerance (mm): ±0.2

Radius R₁ (mm): 23.40

Radius R₂ (mm): -20.11

Radius R₃ (mm): -87.52

Edge Thickness ET (mm): 10.48

Surface Quality: 40-20

f/#: 1.4

Numerical Aperture NA: 0.36

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