Visible Bandpass Filter/Narrow Bandpass Filters/Absorptive Optical Filter

• Customization: Available
• After-sales Service: 3r Quality Warranty-Retun, Replace, Refund
• Warranty: 12months
• Model NO.: RAY-LH265#
• Thickness Range: Customize as Per Demand
• Color: Black
• Type: Absorbing Filter
• Principle: Selective Absorption Filter
• Material: Optical Glass
• Angle of incidence: 0°
• Shape: Customized
• Certification: RoHS, ISO, CE, BV
• Customized: Customized
• Substrate: Hoya U-330 or U-340 Dark Glass
• Surface Quality: 60-40 Scratch-Dig
• Clear Aperture: Central Is More Than 80% of Area
• Wedge: Less Than 3 Arc Min
• Thickness: 2.0 to 3.0 mm, Typical
• Center Wavelength: 330nm/340 Nm
• Transport Package: Cartons or Wood Case
• Specification: 12.7mm, 25.4mm, 50.8mm, or custom manufacturing
• Trademark: Raytek
• Origin: China
• HS Code: 9002909090
• Production Capacity: 100000PCS Per Year

Product Description

General Introduction: The Raytek dark glass filter absorbs in the visible wavelength range and transmits in the ultraviolet (UV) wavelength range. The filter is made of high quality Hoya u-330 or u-340 visible light absorbing glass or domestic glass of the same quality, which is used to extract ultraviolet wavelength.

Products Name: Visible Absorbing UV Bandpass Filters
Alias: Visible Absorbing Bandpass Filters, Visible Absorbing Filters, Visible Absorbing Optical filters, UV bandpass optical filters, Visible absorbing optical filters, UV transmission and visible absorption filters, UV transmission filters, etc

Bandpass Filters Substrates:
Hoya U-330 or U-340 dark glass
 

Optional I:	Hoya U-330 or U-340 dark glass from CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC
Optional II:	Equivalent Hoya U-330 or U-340 dark glass Made in China, C-laser own brands

Main Applying:

Applying Fields I:	Industrial camera, laser products, etc
Applying Fields II:	Other
*****

Main Characters:
1).UV transmission and visible absorption filters
2).Hoya u-330 or u-340 dark glass
3).25.4 mm diameter or 50.8 x 50.8 mm
4).Hoya u-330 or u-340 glass
5).The light filter glass for transmitting / absorbing visible light by Hoya ultraviolet is used to pass through the ultraviolet wavelength while blocking the visible spectrum

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
Type	Visible Absorbing Filter
Center Wavelength	330 nm/340 nm
Surface Quality	60-40 scratch-dig
Clear Aperture	central ≥ 80% of area
Angle of Incidence	0°
Damage Threshold	30 W/cm CW^2, Typical
Wedge	≤3 arc min
Chamfers	Up to 1 mm face width
Chamfers Angle Tolerance	45° ±15°

Popular Physical Size Specification:

Size	12.7mm,25.4mm,50.8mm,or custom manufacturing
Size Tolerance	±0.3 mmor design as per demand
Thickness	2.0 to 3.0 mm, typical

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.