What should we do if the quality is not good?

We will repair the product or return the money.

What are the available materials for these filters?

Materials include N-BK7, H-K9L, Sapphire, Fused Silica (JGS1), CaF2, ZnSe, Si, Ge, etc.

What is the range of transmission for these filters?

The transmission ranges from 60% to 99%.

Optical Filters Lens for Optical Instruments

Name: Optical Filters Lens for Optical Instruments
Brand: Changchun Sunday Optics Co., Ltd.
SKU: 790954142

Jilin, ChinaChangchun Sunday Optics Co., Ltd.

US$1.80-20.00

20 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Usage

Medical, Thermal Image

Thickness Range

1mm-2mm

Model NO.

SRY49

Color

Blue

Type

Interference Filter

Principle

Selective Absorption Filter

Material

Glass

Angle of incidence

0°

Shape

Customized

Certification

RoHS, CE

Customized

Surface Quality

60-40

Flatness

1/4 Lambda

Tolerance

+/-0.05mm

Fwhm

3-50nm

Transport Package

100PCS Per Box

Specification

3-200mm

Trademark

Sunday Optics

Origin

China, Changchun

HS Code

9001909090

Production Capacity

50000PCS Per Month

Key features

Customized Shape: Shape is customized to meet specific application requirements.

High Precision Coating: Features high wavelength positioning accuracy and hard, firm coating film.

Durable Performance: Good heat and moisture resistance with a long service life over 5 years.

Wide Diameter Range: Available in diameters from 2mm to 200mm with various tolerance options.

Multiple Material Options: Made from N-BK7, H-K9L, Sapphire, Fused Silica, CaF2, ZnSe, Si, Ge, etc.

Certified Quality: Products are certified with RoHS and CE standards for safety and compliance.

Versatile Applications: Suitable for medical biochemical instruments, water analysis, and pesticide detection.

Low MOQ: Minimum order quantity is just 1 piece, allowing for easy sampling and testing.

Company profile

Changchun Sunday Optics Co., Ltd.

Jilin, China

Business Type: Manufacturer/FactoryExport Year: 2013-05-09Nearest Port: beijing, shanghai, shenzhenAverage Response Time: ≤7.93hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, DDP, CIP

AI-Powered supplier vetting

SummaryChangchun Sunday Optics Co., Ltd. is identified as a Chinese manufacturer/factory specializing in optical components, including lenses, prisms, windows, filters, coatings, and optical assemblies. The supplier reports ISO 9001 certification, more than 10 production lines, 41–50 quality-control staff, 6–10 years of combined R&D engineer experience, and annual processing capacity of up to 1 million pieces. It also states that it supports both sample orders and mass production and provides after-sales service. The supplier has exported since 2013 and holds self-operated import and export rights. However, the supplied information does not provide sufficient evidence to assess financial credibility, product-specific customization capability, or the quality and scale of customer cases.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and describes its own optical-component production activities, including lenses, prisms, filters, coatings, and assemblies. This supports direct manufacturing capability rather than only trading or distribution.

CertificationsThe supplier reports holding ISO 9001 certification, indicating that a quality-management-system certification is claimed. No certification number, issuing body, scope, or validity period is provided.

After-Sales capabilityThe supplier explicitly states that it provides after-sales service for product questions to achieve customer satisfaction. The information does not specify response times, service channels, warranty terms, or service coverage.

Production capacityThe supplier reports more than 10 production lines, 41–50 quality-control staff, multiple branches, and annual processing capacity of up to 1 million pieces, with support for sample orders and mass production. Its stated equipment covers cutting, grinding, polishing, coating, and gluing, providing explicit evidence of substantial optical-component production capability.