The Double Convex lenses have positive focal lengths and form both real and virtual images.
Port: Shanghai FOB
Minimum Order Quantity: 30 Piece/Pieces
Supply Ability: 5000 Piece/Pieces per Month
Payment Terms: L/C,D/A,D/P,T/T
Contact SupplierPackaging Detail: pearl wool, export package to avoid breaking,or upon requirement
Delivery Detail: about 25 days
Specification:
Material: BK7
diameter tolerance: +/-0.6mm
thickness tolerance: +/- 0.03mm--+/- 0.05
focal length tolerance: +/-1%
surface quality: 20/40, 40/60
centration:<5 arc min
clear aperture: >90%
we also provide precise grade Double convex with tighter manufacturing tolerance.just according to your requirement.
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