Unlike normal lenses, it is a convex lens that has no side surfaces called edges.
It is used for the tip of high-magnification objective lenses, etc., because it increases the efficiency of light incidence from the object to the lens and flat surface. Outer diameter (φmm): 10
Focal length (mm): 9.67
Medium thickness (mm): 5
Material: BK-7
Design wavelength: 587.6nm
Refractive index: 1.51680/nd
<Tolerance range>
Outer diameter: φ±0.05mm
Sphericity: ±0.001mm
Center thickness: ±0.2mm
Focal length: ±2%
Surface quality: MIL60-40
RoHS2 (EU)2015/863 compliant [About RoHS]
