Purchase Qty. Reference FOB Price
100-499 Pieces US$50.00
500-999 Pieces US$45.00
1,000+ Pieces US$40.00
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 ...