What is the material of the lens?

The lens is made of fine annealed K9 optical glass.

What is the transmittance rate?

The transmittance is greater than 95%.

What certifications does the product have?

The product is certified with RoHS, ISO9001, and CE.

Premium K9 Flat Concave Photography Lens for Professionals

Name: Premium K9 Flat Concave Photography Lens for Professionals
Brand: Shanghai Rui Tai Photoelectric Technology Co., Ltd.
SKU: 2098101615

Shanghai, ChinaShanghai Rui Tai Photoelectric Technology Co., Ltd.

US$245.00

100-499 Pieces

US$215.00

500-999 Pieces

US$200.00

1,000+ Pieces

Product profile

Customization

Available

After-sales Service

One Year

Warranty

One Year

Model NO.

RAY-OPL1041#

Usage

Lighting, Medical, Optical, Photography

Type

Concave Lens

Transmittance

>95%

Shape

Laminated Lenses

Material

Optical Glass

Lenses Color

Clear

Certification

RoHS, ISO9001, CE

Customized

Coating

HMC

Transport Package

Wooden Box

Specification

Based on size

Trademark

RAYTEK

Origin

Made in China

Production Capacity

50000PCS/Year

Key features

High Transmittance: Transmittance exceeds 95% for superior optical performance.

Premium K9 Material: Constructed from fine annealed K9 optical glass for durability.

Multi-Coating Options: HMC coating available for VIS, NIR, and SWIR spectral ranges.

Customizable Design: Offers full customization, minor customization, and sample-based options.

One Year Warranty: Comprehensive one-year warranty coverage included with purchase.

Low Aberration: Optimized design minimizes spherical and coma aberrations.

RoHS Certified: Meets RoHS, ISO9001, and CE certification standards.

Versatile Applications: Ideal for lighting, medical, optical, and professional photography use.

Company profile

High Repeat Buyers ChoiceImporters and ExportersR&D CapabilitiesManagement Certification

Shanghai Rui Tai Photoelectric Technology Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.50h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a stated 10,000-square-meter production base and multiple processing machines. It holds an ISO9001:2015 certificate, reports established complaint-handling and corrective-action procedures, and offers broad customization services. Export experience is stated as nine years, with exports representing 51%–70% of sales and markets including South America and Europe. Production quantities and peak-season fulfillment information are provided, but the supplier reports no new products in the past year, no ODM or SDK capability, no overseas agents, warehouses, showrooms, or inventory service. Financial information is incomplete and inconsistent across the supplied records, so financial credibility cannot be confirmed. No specific customer cases or named brand OEM experience are provided.

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit evidence of a quality-management certification, but no additional certification details or validation information are provided.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaint handling. However, the quality-assurance status is unknown, so the evidence supports a positive service-process assessment but not a complete after-sales capability evaluation.

R&D capabilityThe supplier reports no new products during the past year, no ODM service, and no available SDK. These are explicit limitations in recent product innovation and development-related services.

Production capacityThe supplier describes a 10,000-square-meter production base with water-jet, CNC, milling, and other processing equipment, reports 6–10 quality-control staff, and lists production quantities for several product categories. It also states peak-season order fulfillment within 15 working days, providing explicit evidence of production resources and operational capacity.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. These services are reported consistently across the two records, indicating broad customization coverage.