Rod lenses for medical field

When the ends of rod lenses are polished they may be used as circular lenses, and will have the same optical properties as a long circular lens with a narrow diameter. These lenses have an important application in rigid endoscopes, medical instruments used to view inside the human body. 

Betensh Rod Lens Capacity

Material: Optical Glass, Sapphire

Diameter: 0.5+mm

Diameter Tolerance: 0.015 mm

Thickness Tolerance: ±0.01 mm

S/D: Better than 40-20

Flatness PV/WFE: λ/5

Centration: 4’

Coating: AR/Black chromed

Contact via sales@bts-optics.com