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Lens

BK7 Lenses

Specifications
Material: BK7
Design Wavelength: 546.1nm
Design Index: 1.5183 ± 0.0005
Diameter Tolerance: +0.0, -0.15mm
Paraxial Focal Length Tolerance: ±2%
Centration: 3 arc minutes
Clear Aperture: >85%
Surface Figure: λ/4@632.8nm
Surface Quality: 60/40 scratch/dig
Bevel: 0.25 mm x 45°
Coating: Uncoated

BK7 Plano Convex Lens

Part No. f (mm) dia (mm) R1 (mm) t c (mm) t e (mm) t b (mm) Illustration
PCX1201 15.0 12.7 7.78 5.3 2.0 11.5
PCX1202 20.0 12.7 10.37 4.2 2.0 17.2
PCX1203 25.0 12.7 12.96 3.7 2.0 22.6
PCX1204 30.0 12.7 15.55 3.4 2.0 27.8
PCX1205 40.0 12.7 20.73 3.0 2.0 38.0
PCX1206 50.0 12.7 25.92 2.8 2.0 48.2
PCX1207 35.0 20.0 18.155 4.2 1.2 32.2
PCX1208 40.0 20.0 20.73 4.5 1.9 37.0
PCX1209 50.0 20.0 25.936 4.0 2.0 47.4
PCX1303 50.0 25.4 25.92 5.3 2.0 46.5
PCX1309 60.4 25.4 13.1 4.7 2.0 56.9
PCX1304 75.0 25.4 38.87 4.1 2.0 72.3
PCX1305 100.0 25.4 51.83 3.6 2.0 97.6
PCX1306 125.0 25.4 64.79 3.3 2.0 122.8
PCX1307 150.0 25.4 77.75 3.0 2.0 148.0
PCX1308 200.0 25.4 103.66 2.8 2.0 198.2