Sci.Eng.Tech Solutions

Plano-Convex Lens: 50.8mm Dia. × 200mm FL, BK7, Uncoated

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Availability: 4 in stock

Product Specifications

Lens Type Plano-Convex
Product Catalogue Number PCX50BK7N0200
Wavelength Range: (nm) 350 - 2200
Coating Uncoated
Material BK7
Side 1 Type Convex
Side 2 Type Plane
Diameter (ϕ): (mm) 50.80
Diameter Tolerance: (mm) ± 0.05
Focal Length: (mm) 200
Effective Focal Length (EFL): (mm) 201.18
Back Focal Length (BFL): (mm) 194.2
Focal Length Tolerance: (%) ± 1
Centre Thickness (Tc): (mm) 10.0
Edge Thickness (Te): (mm) 7.0
Thickness Tolerance: (mm) ± 0.1
Centering (arcmin) <2
Side 1 Radius: (mm) 97.1
Side 2 Radius: (mm) Infinity
Surface Quality (Scratch/Dig) 40/20
Power (peak to valley)
Surface Irregularity λ/3
f Number 4.0
Clear Aperture: (mm) 49.8
Numerical Aperture 0.19
Bevel 0.5 mm × 45 degree
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