It has a shorter focal length than a convex lens (single lens) and is mainly used for focusing light.
It is used for applications such as focusing light onto optical fibers, coupling, and collimating the light emitted from fibers. Size (φmm): 10
Focal length (mm): 7.33
Material: BK-7
Design wavelength: 587.6nm
Refractive index: 1.51680/nd
<Tolerance range>
Outer diameter: φ±0.05mm
Sphericity: ±0.001mm
Focal length: ±2%
Surface quality: MIL60-40
