18.0 mm Dia x 20.0 mm FL, Plano-Convex, Uncoated

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Home > Lenses > Spherical Lenses > Plano Convex > N-BK7 Plano Convex > 18.0 mm Dia x 20.0 mm FL, Plano-Convex, Uncoated

18.0 mm Dia x 20.0 mm FL, Plano-Convex, Uncoated

Sku: 01PCX-180-20-1

$12.00

Specifications of 18.0 mm Dia x 20.0 mm FL, Plano-Convex, Uncoated

Diameter (mm) : 18.00 mm

Focal Length (mm) : 20.00 mm

R : 10.30 mm

Tc : 7.09 mm

Te : 1.80 mm

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BK7 Plano Convex Lenses



Plano-Convex
Material	N-BK7
Design Wavelength	633 nm (n=1.515)
Surface Quality	40-20 scratch-Dig
Power/Irregularity	S1, 1.5?/0.25?
	S2 (plano), 0.5?
Centration	? 3 arc min
Clear Aperture	>90%
Chamfer	0.20 Max, face width at 45 deg for all sharp edges
Dia tol	+0/-0.1 mm
Thick tol	± 0.1 mm
FL tol	± 1%

BBAR coatings	A coating	Ravg<0.5% @350-700 nm
	B coating	Ravg<0.5% @650-1050 nm
	C coating	Ravg<0.5% @1050-1620 nm

Plano Convex