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25.4 mm Dia x -75 mm FL, Plano-Concave, B coating
Sku: 01PCC-254-75-B
$17.00
Specifications of 25.4 mm Dia x -75 mm FL, Plano-Concave, B coating
Diameter (mm) : 25.40 mm
Focal Length (mm) : -75.00 mm
R : -38.60 mm
Tc : 3.50 mm
Te : 5.60 mm
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N-BK7 Plano-Concave Lenses
   
Material N-BK7 
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

Plano Concave