E-22-995 15mm Dia., 0.33 Numerical Aperture, 350-700nm Coated, Precision Aspheric Lens
E-22995 15mm Dia., 0.33 Numerical Aperture, 350-700nm Coated, Precision Aspheric Lens
Product VIS-EXT+ Coating Curve
Diameter (mm): 15.00 +0.00/-0.025
Effective Focal Length EFL (mm): 22.50 @ 587.6nm
Numerical Aperture NA: 0.33
Back Focal Length BFL (mm): 16.71
Coating: VIS-EXT+ (350-700nm)
Coating Specification:
Ravg <0.5% @ 350 - 700nm @ ±30° AOI
Rabs <1.5% @ 350 - 700nm @ ±30° AOI
Rabs <1.5% @ 350 - 700nm @ ±30° AOI
Centering (arcmin): <3
Surface Quality: 40-20
Clear Aperture CA (mm): 13.75
Edge Thickness ET (mm): 6.25
Center Thickness CT (mm): 8.79 ±0.10
f/#: 1.50
Bevel: Protective bevel as needed
Shape of Back Surface: Plano
Wavelength Range (nm): 350 - 700
Conjugate Distance: Infinite
Asphere Figure Error, RMS @ 632.8nm: 0.4λ