25.4 mm Dia x 40.0 mm FL, Bi-Convex, Uncoated - Frontier Optics Online Store

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Home > Lenses > Spherical Lenses > Bi-Convex > N-BK7 Bi-Convex > 25.4 mm Dia x 40.0 mm FL, Bi-Convex, Uncoated

25.4 mm Dia x 40.0 mm FL, Bi-Convex, Uncoated

Sku: 01BCX254-40-1

$14.00

Specifications of 25.4 mm Dia x 40.0 mm FL, Bi-Convex, Uncoated

Diameter (mm) : 25.40 mm

Focal Length (mm) : 40.00 mm

R : 40.14 mm

Tc : 6.12 mm

Te : 2.00 mm

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BK7 Bi-Convex Lenses


Bi-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
Thick tol	± 0.1
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

Bi-Convex