What certifications does the product hold?

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

What are the main applications for this lens?

It is commonly used for laser collimation, beam expansion, projection, and as a base for various optical elements.

Premium Calcium Fluoride Double Concave Lens for Optics

Name: Premium Calcium Fluoride Double Concave Lens for Optics
Brand: Shanghai Rui Tai Photoelectric Technology Co., Ltd.
SKU: 2045656555

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

US$37.00

100-199 Pieces

US$35.00

200-499 Pieces

US$30.00

500+ Pieces

Product profile

Customization

Available

After-sales Service

One Year

Warranty

One Year

Model NO.

RAY-LH238#

Usage

Lighting, Medical, Optical, Photography

Type

Concave Lens

Shape

Customized

Material

Optical Glass

Certification

RoHS, ISO9001, CE

Customized

Surface Quality

40-20 Scratch-Dig or Custom Manufacturing

Surface Flatness

Lambda/10 at 632.8nm with Power Removed

Coating Type

Dielectric Coating

Wavelength Range

488-694 Nm/700-950nm

Transport Package

Cartons or Wood Case

Specification

12.7mm/25.4mm/50.8mm or custom manufacturing

Trademark

Raytek

Origin

China

HS Code

9002909090

Production Capacity

10000 Set Per Year

Key features

High Damage Threshold: Features high damage threshold, low fluorescence, and high uniformity for laser applications.

Customized Shape: Shape is fully customized to meet specific optical system requirements.

Precision Surface Quality: Surface quality available at 40-20 Scratch-Dig or custom manufacturing standards.

Multi-Application Usage: Suitable for lighting, medical, optical, and photography applications including beam expansion.

RoHS and ISO9001 Certified: Product meets international safety and quality standards including RoHS, ISO9001, and CE.

One Year Warranty: Comprehensive one-year warranty covering return, replacement, and refund for inferior quality.

Fast Delivery Time: Standard delivery time is 7-10 days for most orders.

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: ≤4.48h 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.