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
Focal length : 3 mm (0.12 in)
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