25.4 mm Dia x -25 mm FL, Bi-Concave, Uncoated - Frontier Optics Online Store

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Home > Lenses > Spherical Lenses > Bi-Concave > N-SF11 Bi-Concave > 25.4 mm Dia x -25 mm FL, Bi-Concave, Uncoated

25.4 mm Dia x -25 mm FL, Bi-Concave, Uncoated

Sku: 03BCC-254-25-1

$21.00

Specifications of 25.4 mm Dia x -25 mm FL, Bi-Concave, Uncoated

Diameter (mm) : 25.40 mm

Focal Length (mm) : -25.00 mm

R : -39.60 mm

Tc : 3.00 mm

Te : 7.20 mm

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N-SF11 Bi-Concave Lenses


Material		N-SF11
Design Wavelength		633 nm
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

Bi-Concave