Plano-Convex Lenses, φ40 mm, Focal Distance: 100 mm, Back Focus : 95.21 mm

[Features]
This optical lens having positive focal length is mainly used for magnification of image and light condensing.
Made of quart, this product offers high transmittance in all regions from ultraviolet region to infra red ray wavelength region(approximately 900nm).
Its low thermal expansion coefficient ensures excellent heat resistance.
This product is usually used with curved surface of lens facing to object.
[Specifications]
Outer diameter (φmm): 40
Focus distance (mm): 100
Bag focus (mm): 95.21
Medium thickness (mm): 7
Koba meat (mm): 2.57
Material: Synthetic quartz
Design wavelength: 587.6nm
Refractive index: 1.45850/nd
Chamfer (45°): 0.2 - 0.5mm
Tolerance range Outer diameter: φ+0/-0.1mm
Tolerance range Center thickness: ±0.2mm
Tolerance range Focal length: ±2％
Tolerance range Surface quality: MIL60-40
Tolerance range Eccentricity: within 3 minutes (3')