What is the warranty period?

We provide a 12-month warranty. Quality issues are resolved with replacements or rework at our cost.

What materials are available for the lenses?

Primary material is Zinc Selenide (ZnSe), but other materials can be selected based on customer needs.

What is the coating option?

We apply Infrared AR coating (HMC) or can customize coatings based on client requests.

Customized Optical Near Infrared Coated Zinc Selenide Znse Focus Lens

Name: Customized Optical Near Infrared Coated Zinc Selenide Znse Focus Lens
Brand: Tianjin Tengteng Optoelectronic Technology Co., Ltd.
SKU: 1917449311

Tianjin, ChinaTianjin Tengteng Optoelectronic Technology Co., Ltd.

US$10.00-100.00

1 Piece

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Replace, Refund

Warranty

12months

Model NO.

TT Lens 358

Usage

Lighting, Medical, Optical, Photography

Type

IR Lenses

Transmittance

>95%

Shape

Single-lens

Material

Optical Glass

Lenses Color

Clear

Certification

RoHS, ISO9001

Customized

Coating

HMC

Min

1 Unit

Payment Term

L/C, T/T, D/P, Western Union, Paypal, Money Gram

Thickness

as Required

Surface Quality

60-40

Polished

Yes

Transport Package

Carton, Blister, Customized

Specification

As required

Trademark

Origin

Tianjin

HS Code

9001909090

Production Capacity

2000pieces/Month

Key features

Customized Specifications: Size Dia 1mm to 500mm, thickness and coating tailored to customer requirements.

High Transmittance: Transmittance exceeds 95% with HMC coating for optimal optical performance.

Low Visible Absorption: Allows visual optical alignment unlike germanium or silicon due to visible light transmission.

Professional OEM/ODM: Full customization support including design, samples, and flexible manufacturing options.

Strict Quality Control: 100% inspection with surface quality 60-40 and precise dimensional tolerances.

Versatile Applications: Used in medical, photography, automation, aviation, and astronomy equipment.

Established Manufacturer: Factory established in 1995 with over 20 years of experience in precision optics.

Company profile

Importers and ExportersExhibition ExperienceIn-stock CapacityHigh Repeat Buyers Choice

Tianjin Tengteng Optoelectronic Technology Co., Ltd.

Tianjin, 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: 5 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.61h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company that provides OEM services for well-known brands and ODM services, with broad customization options for optical components. It reports in-stock capability, documented service procedures, complaint-handling and corrective-action processes, and an ISO9001:2015 certificate. However, it has no valid manufacturing-capacity contract with its associated subcontractors, no available SDK, no new products reported in the past year, and no overseas warehouse or showroom. Production-related information indicates three production lines, 50 quality-control staff, and one-month lead times in both peak and off-peak seasons, but the supplier’s trading-company status and lack of manufacturing contract limit verification of direct production control. No specific customer names or case studies are provided. Financial records are referenced for multiple years, but the slices do not provide sufficient non-monetary evidence to assess financial credibility.

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit certification evidence relevant to quality-management practices, although no additional certifications or certificate-scope details are provided.

After-Sales capabilityThe supplier has written procedures and records for service-capability assessment, corrective and preventive actions, and customer complaint handling. It also reports in-stock service capacity, but lacks an overseas warehouse and showroom; therefore, documented service processes exist while overseas service infrastructure is limited.

R&D capabilityThe supplier offers ODM and multiple design-customization services, but reports no available SDK, no new products during the past year, and only two years of total R&D engineer experience. These explicit limitations prevent a positive assessment of innovation strength.

Customization capabilityThe supplier explicitly supports customization from samples and designs, full and minor customization, flexible customization, assembly and adjustment of lenses, and customization of optical components with different functions. It also provides OEM and ODM services, giving strong direct evidence of broad customization capability.