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Specification:
Dimension: Ф15*5.5mm
Lens1: bi convex spherical lens
Material: N-BaK2
R1: 43.9
R2: 15.704
Tc4
f55.2
Lens2: meniscus lens
Material: N-SF3
R1:15.704
R2: +39.479
Tc1.5
Quantity: 5 pcs
For more info, please visit http://www.betteroptics1.com