Bk7 Plano-Concave Lens/Optics Lens/Plano-Concave Cylindrical Lens/Camera Lens

• After-sales Service: 3r Policy-Return, Replace, Refund
• Warranty: 12months
• Usage: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc
• Type: Cylindrical Lenses
• Transmittance: Central 90% of Diameter
• Shape: Single-lens
• Model NO.: RAY-LH370#
• Material: Optical Glass
• Lenses Color: Clear
• Certification: RoHS, ISO9001, CE
• Customized: Customized
• Coating: Ar.14, Ar.16, Ar.18, Ar.33 Coated
• Substrate: N-Bk7 Optical Glass or Equivalent N-Bk7
• Surface Quality: 40-20 Scratch-Dig or Custom Manufacturing
• Surface Flatness: Lambda/2-Lambda/4 or Custom Manufacturing
• Effective Focal Length(Efl): From -6.4mm to 200mm
• Surface Accuracy, Irregularity: Lambda/2-Lambda/4 or Custom Manufacturing
• Transport Package: Cartons or Wood Case
• Specification: 6.35mm-50.8mm or custom manufacturing
• Trademark: Raytek
• Origin: China
• HS Code: 9002909090
• Production Capacity: 100000PCS Per Year

Product Description

General Introduction: Raytek cylindrical lens focuses or spreads light only in a single axis. The n-bk7 cylindrical lens is made of fine annealed glass and polished to meet stringent tolerance requirements for demanding applications including linear illumination for metrology, laser scanning, spectroscopy and diode laser beam shaping.

Products Name: N-BK7 Plano-Concave Cylindrical Lenses
Alias: N-BK7 Plano-Concave Cylindrical Lenses,N-BK7 Plano-Concave Cylindrical Lenses, Optical Concave lens, N-BK7 optical Concave lens, Visible N-BK7 Plano-Concave Cylindrical Lens, Visible Plano-Concave Cylindrical lens, IR Plano-Concave Cylindrical lens, NIR Plano-Concave Cylindrical lens, 1064nm Plano-Concave Cylindrical lens, Uncoated Plano-Concave Cylindrical lens,Cylindrical Concave lens ,etc

Lens Substrates:
Grade A N-BK7

Optional I:	Grade A N-BK7 from CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC
Optional II:	Equivalent Grade A N-BK7 Made in China, C-laser own brands

Coating Type:

Coating Code:	Coating Type	Wavelength Range
AR.14	Visible Multilayer	430-700 nm
AR.16	NIR Multilayer	650-1000 nm
AR.18	IR Multilayer	1000-1550 nm
AR.33	Laser Line V-Coat Multilayer	1064 nm
-	Uncoated	-

Main Applying:

Applying Fields I:	Linear laser generator Linear detector illumination Bar code scanning Holographic illumination Optical information processing Laser emission High power laser system Synchrotron radiation beamline
Applying Fields II:	Other
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Main Characters:
1).High performance 40-20 scratch-dig N-BK7 substrates
2).Rectangular optic with plano-Concave lens shape
3).Standardized focal lengths across different lens sizes

Products Highlights:
1).Different grades materials for option.
2).High precision & high surface roughness;
3).Sizes can be customized as per the customers' request
4).Quick lead time and delivery time.
5).Matching super optics custom and processing capacity, including Moulding, CNC machining, Polishing, Particle beam processing, Magnetic flux conversion processing, Grinding, Coating, Lightweighting, Custom Shaping, Counterbores, Drilling & Coring, Edge & Bevel Polishing,3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, Measuring, etc.
6).Excellent post-sale quality warranty, with "3R"-return, replace & refund policy

Main Optical Tech Specification:

Tech Data	Description
Lens Shape	Plano-Concave Cylindrical Concave or Double Concave
Material	Grade A N-BK7
Surface Quality	40-20 scratch-dig
Surface Flatness	λ/2-λ/4
Surface Accuracy, Irregularity	λ/2-λ/4
Surface Accuracy, Power	1.5 λ
Centration	-
Chamfers	0.5 mm face width
Chamfers Angle Tolerance	45°, typical
Focal Length Tolerance	±2.0%
Clear Aperture	≥central 80% of diameter
Effective Focal Length(EFL)	From -6.4mm to 200mm

Popular Physical Size Specification:

Size	25.4*6.35mm 25.4*12.7mm 50.8*19.05mm 50.8*25.4mm Or Design & custom manufacturing as per demand.
Size Tolerance	+0/-0.1 mm
Center Thickness Tolerance	+0.5/-0.25 mm
Edge Thickness Tolerance	±0.3 mm

Main Cooperation Materials Manufacturers:
CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC

Main Export Countries & Areas:
Usa, Uk, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland ,etc.
Raytekoptics Extra value added services offered:
1). Optical workcraft & process solution design;
2). Rough processing raw materials;
3). Semi finishing raw materials;
4). Fabricate custom sizes and shapes;
5). Design and supply custom coatings;
6). Modify and resurface customer supplied materials;
7). Drill holes, notch glass and provide beveled substrates;
8). Precision polish optics with non-standard aspect ratios;

Payment Method: by T/T or Western Union.
Delivery time: 7-10 days.
Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offers quality warranty for our optics products with "3R" policy. For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund.