Including aspheric condenser lenses & spherical condenser lenses. Made from heat-resistant glass, borosilicate glass, pyrex glass, quartz or other optical glass.
Diameter range: Ø5mm - Ø550mm.
Normal Specification
Focal Length: +/-3%
Diameter: +0.0/-0.2
Center Thickness: +/-0.3
Centering: 3'
Surface Quality: 60/40