Surface Quality:40/20
Diameter Tolerance:±0.1
Material:Optical Glass
Mini Order:50
deliver goods:Within 7 days
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M9x0.5 mm threaded housing , single glass lens design . This single element lens gives around 15-20% increase in output compared with the 3-element lenses with a reduction in beam quality.
Specifications:
Lens Material : Single element ; Coated optical glass
Lens Holder : 9mm x 0.5mm thread , 10mm length , brass
EFL ( Effective Focal Length): 12mm
CA (Clear Aperture) : 5.3/4.9mm
NA (Numerial Aperture) : 0.22mm
SD (Diode to lens) : 10.77m
Coating :400-700nm