What is the blocking density of the filters?

Our filters achieve a blocking density depth ranging from OD2 to OD6.

What certifications do your products hold?

All our filters are compliant with RoHS, REACH, and ISO9001 standards.

What are the lead times for delivery?

Peak season lead time is one month, while off-peak season lead time is within 15 workdays.

Optical Glass IR Filter 820nm Infrared Longpass Filter Dielectric Longpass Filter

Name: Optical Glass IR Filter 820nm Infrared Longpass Filter Dielectric Longpass Filter
Brand: Optolong Optics Co .,Ltd
SKU: 2124576445

Yunnan, ChinaOptolong Optics Co .,Ltd

US$13.00

10-49 Pieces

US$10.00

50-99 Pieces

US$7.00

100-499 Pieces

US$3.00

500+ Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Easy Return

Warranty

5years

Model NO.

820nm Longpass Filter

Usage

Medical, Optical

Thickness Range

0.5-5mm

Color

Transparent

Type

Thin Film Filter

Principle

Cut-off Filter

Material

Glass

Angle of incidence

45°

Shape

Customized

Certification

RoHS, ISO

Customized

Transport Package

Plastic Case, Carton

Specification

5x55mm

Trademark

Optolong

Origin

China

HS Code

9001909090

Production Capacity

100000piece/Month

Key features

Customized Shape and Size: Shape, thickness, and size can be customized to meet specific requirements.

5-Year Warranty Coverage: Comprehensive 5-year warranty provided for all optical filter products.

High Blocking Density: Curve blocking density depth reaches OD2 to OD6 for superior light rejection.

RoHS and ISO Certified: All products comply with RoHS, REACH, and ISO9001 certification standards.

OEM and ODM Services: Full OEM and ODM services available for central wavelength and FWHM customization.

Wide Material Selection: Substrates include K9, BK7, B270, JGS1, Color glass, Float glass, and Fused Silica.

High Transmittance Performance: Transmission rate (Tmin) exceeds 85% for longpass and shortpass filters.

Fast Delivery Options: Express delivery via DHL or Air; off-peak lead time within 15 workdays.

Company profile

Importers and ExportersYears of Export ExperiencePatents AwardedExhibition Experience

Optolong Optics Co .,Ltd

Yunnan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier specializes in manufacturing and sales of optical instruments and related products, with a strong focus on customization services. They operate three production lines and have a moderate annual output. Although they lack a presence in overseas warehouses and showrooms, they have overseas agents and participate in trade shows. The supplier has structured procedures for quality control and customer complaint management, but their innovation capability appears limited due to minimal R&D activity and no new product development in the past year.

Supplier typeThe supplier operates within the optical and electronic manufacturing sectors, focusing on optical coating filters and other related products.

After-Sales capabilityThe supplier has clear procedures for handling customer complaints and maintaining service quality, suggesting a structured approach to after-sales service.

Financial creditThe supplier reported significant revenue, indicating a stable financial position within the given range.

R&D capabilityThe supplier shows limited innovation capability with no new products developed recently and minimal R&D documentation.

Production capacityThe supplier has three production lines and a notable annual output, indicating a robust production capability.

Customization capabilityThe supplier provides various customization services, including ODM and OEM, highlighting strong customization capabilities.