E-89683 40mm Dia. x 50mm FL, VIS-NIR Coated, Achromatic Lens connector-termination-type_mechanical-splice steel blade
Baker’s notes & crumb story
Description
steel blade
Requiring No Additional Equipment
Working Distance 2
LightVision protective eyewear is industrial safety eyewear designed with integral hands-free lighting
E-89683 40mm Dia. x 50mm FL, VIS-NIR Coated, Achromatic Lens connector-termination-type_mechanical-splice steel bladeE 89683 40mm Dia. x 50mm FL, VIS NIR Coated, Achromatic Lens Diameter (mm): 40. 00 +0. 0 0. 025 Effective Focal Length EFL (mm): 50. 00 Focal Length Tolerance (%): 2 Back Focal Length BFL (mm): 34. 46 Focal Length Specification Wavelength (nm): 587. 6 Clear Aperture CA (mm): 39. 00 Centering (arcmin): <1 Center Thickness CT 1 (mm): 19. 00 Center Thickness CT 2 (mm): 7. 00 Center Thickness Tolerance (mm): 0. 2 Radius R1 (mm): 28. 56 Radius R2 (mm): 29.