Lenses    
  



General Lens Substrate Specifications -
Materials: BK-7, UVFS
Design λ for BK-7 Lenses - 633nm
Design λ for UV Grade FS Lenses - 260nm
Surface Figure: λ4 @ 632.8nm over clear aperture
Surface Quality: 20-10
Centration: 3 arc minutes
Clear Aperture - 90% of central dimension
Diameter/Length/Width: +0.000 / -0.250mm
Chamfer: 0.350mm X 45o typical






Convex / Plano; Concave / Plano Lenses

Available in 12.70mm, 25.40mm, and 50.80mm diameters


Radius 13.10mm 25.80mm 38.60mm 51.50mm 64.40mm 77.30mm 103.00mm
Focal Length 25.00mm 50.00mm 75.00mm 100.00mm 125.00mm 150.00mm 200.00mm


Radius 128.80mm 154.50mm 206.00mm 257.50mm 309.10mm 515.10mm 772.60mm
Focal Length 250.00mm 300.00mm 400.00mm 500.00mm 600.00mm 1000.00mm 1500.00mm