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1540nm Bk7 Glass Made Optical IR Sensor Interference Filter
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

Color

Blue

Type

Interference Filter

Principle

Selective Absorption Filter

Material

Glass

Angle of incidence

Shape

Customized

Certification

RoHS, CE

Customized

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 fully customized to meet specific application requirements.
Wide Diameter Range: Diameter available from 2mm to 200mm with flexible tolerance options.
High Transmission Rate: Transmission efficiency ranges from 60% to 99% for optimal light throughput.
Superior Blocking Performance: Average blocking up to OD6 ensures excellent light isolation and signal clarity.
Diverse Material Options: Available in N-BK7, H-K9L, Sapphire, Fused Silica, and other specialized materials.
Long Service Life: Designed for durability with a service life exceeding 5 years under general conditions.
Robust Coating Quality: Features hard, firm coating film with excellent heat and moisture resistance.
RoHS and CE Certified: Product meets international safety and environmental standards for global compliance.

Company profile

Business Type: Manufacturer/FactoryExport Year: 2013-05-09Nearest Port: beijing, shanghai, shenzhenAverage Response Time: ≤11.77hTerms 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.

Product Q&A

Q:Are you a manufacturer and can we visit your factory?
A:
Yes, we are a manufacturer and welcome factory visits.
Q:Do you provide test reports?
A:
Yes, we offer full-size test reports covering size, focal length, flatness, coating curve, and coating plate.
Q:What is your monthly production quantity?
A:
Production quantity depends on the lens size and precision requirements.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece.
Q:What is the delivery time for samples?
A:
Sample delivery time is 10 to 20 days.

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