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25.4 mm Dia x 250 mm FL, Bi-Convex, Uncoated
Sku: 02LBX-254-250-1
$48.00
Specifications of 25.4 mm Dia x 250 mm FL, Bi-Convex, Uncoated
Diameter (mm) : 25.40 mm
Focal Length (mm) : 250.00 mm
R : 229.61 mm
Tc : 2.70 mm
Te : 2.00 mm
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UVFS Bi-Convex
   
Material UV grade Fused Silica
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%
UV coating UV, Ravg<0.5% at 290-370 nm

Bi-Convex