What are the available payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Is the lens suitable for high-power applications?

Yes, these lenses are designed for high-power applications where achromatic glued lenses cannot be used.

What is the transmittance of the lens?

The transmittance is greater than 95%.

High-Quality Uncoated Quartz Flat Concave Lens for Optical Beam Expansion

Name: High-Quality Uncoated Quartz Flat Concave Lens for Optical Beam Expansion
Brand: Shanghai Rui Tai Photoelectric Technology Co., Ltd.
SKU: 2105612005

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

US$169.00

100-499 Pieces

US$139.00

500-999 Pieces

US$124.00

1,000+ Pieces

Product profile

Customization

Available

After-sales Service

One Year

Warranty

One Year

Model NO.

RAY-KQF1620#

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 efficient light transmission.

Customized Options: Offers full customization, minor customization, and flexible options from samples or designs.

Premium Material: Constructed from UV fused silica for superior optical performance.

Anti-Reflective Coating: UA anti-reflective film with Ravg less than 0.5% at 250-400nm.

One Year Warranty: Includes one year warranty and one year after-sales service coverage.

Versatile Applications: Ideal for lighting, medical, optical, and photography beam expansion.

Multiple Certifications: Certified with RoHS, ISO9001, and CE standards.

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: ≤4.57h 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.