Changchun Better Optics Co., Ltd.
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Specification:
Lens1: Bi-convex lens
Material: N-BAF10
R1: 58.4432
R2:40.8187
Tc3
Lens2: N-SF10
R1: 40.8187
R2: 242.0578
Tc2
Quantity: 4 pcs
For more info, please visit http://www.betteroptics1.com