Menu
Cart 0



E-49-787 12.7mm Dia. x 31.8mm FL, VIS-NIR Coated, Achromatic Lens

Fosco Connect Part No.: E-49787

  • $ 136.00 or



E-49787 12.7mm Dia. x 31.8mm FL, VIS-NIR Coated, Achromatic Lens

Product VIS-NIR Coating Curve

Product ISO

Product Drawing

Diameter (mm): 12.70 +0.0/-0.025
Effective Focal Length EFL (mm): 31.75
Focal Length Tolerance (%): ±2
Back Focal Length BFL (mm): 28.83
Focal Length Specification Wavelength (nm): 587.6
Clear Aperture CA (mm): 11.70
Centering (arcmin): <1
Center Thickness CT 1 (mm): 4.00
Center Thickness CT 2 (mm): 1.75
Center Thickness Tolerance (mm): ±0.2
Radius R1 (mm): 21.13
Radius R2 (mm): -16.69
Radius R3 (mm): -61.73
Edge Thickness ET (mm): 4.45

Surface Quality: 40-20
f/#: 2.5
Numerical Aperture NA: 0.20
Coating: VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
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): 400 - 1000
Sale

Unavailable

Sold Out