What is N-Bk7 Bi-Concave Lenses/N-Bk7 Double Concave Lens/Optical Bi-Concave Lens
Price
Purchase Qty. Reference FOB Price
100-499 Pieces US$50.00
500-999 Pieces US$45.00
1,000+ Pieces US$40.00
Sepcifications
- After-sales Service 3r Policy-Return, Replace, Refund
- Warranty 12months
- Usage Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc
- Type Bi-Concave Lenses
- Transmittance Central 90% of Diameter
- Shape Single-lens
- Material Optical Glass
- Lenses Color Clear
- Certification RoHS, ISO9001, CE
- Customized Customized
- Coating Ar.14, Ar.16, Ar.18, Ar.33 Coated
- Transport Package Cartons or Wood Case
- Specification 6.35mm-50.8mm or custom manufacturing
- Trademark Raytek
- Origin China
- Substrate N-Bk7 Optical Glass or Equivalent N-Bk7
- Surface Quality 40-20 Scratch-Dig or Custom Manufacturing
- Surface Flatness Lambda/4 or Custom Manufacturing
- Effective Focal Length(Efl) From -12.5mm to -500mm
- Surface Accuracy, Irregularity Lambda/4 or Custom Manufacturing
Product Description
General Introduction: Raytek N-bk7 biconcave lens can be coated with either non coating or multi-layer antireflective coating. All lenses are guaranteed λ/4 surface accuracy and 40-20 scratch-dig surface quality. N-bk7 is an excellent lens material for most visible and near infrared ...
