1) Ball Lens

Diameter : 0.5 to 10.0 mm
Materials : Optical Glasses, Fused Silica
Sphericity : 0.25μ
Diameter Tolerance : 2.5μ
S/D : 10/5

2) Spherical Lens (Plano Convex Lens, Bi-Convex Lens)

Diameter : 0.5 to 5.0mm
Materials : Optical Glasses, Fused Silica, CaF2
Regularity : 2 Fringes
Irregularity : 0.5 Fringes
Centering Error : <1.0 Minute
S/D : 10/5
Coating : As your required

3) Achromat

Diameter : 3.0 to 5.0mm
Material : Optical Glasses,　Fused Silica
Regularity : 2 Fringes
Irregularity : 0.5 Fringes
Centering Error : <1.0 Minute
S/D : 10/5
Coating : As your required on R1 & R3 surface