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Diameter (mm):
40.00 +0.00/-0.025
Effective Focal Length EFL (mm):
40.00 @ 587.6nm
Numerical Aperture NA:
0.50
Back Focal Length BFL (mm):
31.21
Substrate:
Many glass manufacturers offer the same material characteristics under different trade names. Learn More
TECHSPEC® High Precision Aspheric Lenses guarantee better than λ/40 wave aspheric figure error. Achieved via precision magneto-rheological finishing (MRF), these aspheres offer high numerical apertures with diameters ranging from 15 to 50mm and are ideal for a variety of imaging and low light level applications. Each TECHSPEC High Precision Aspheric Lens is individually measured. 3D surface profiles are included with uncoated lenses. For diffraction-limited aspheres designed at specific Nd:YAG laser wavelengths, see our TECHSPEC High Precision Laser Grade Aspheric Lenses.
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