What should we do if the quality is not good?

We will provide repair services or return the money.

Dia. 4.7mm Efl8mm Aspheric Lens Na0.25 for Laser Collimator Focus

Name: Dia. 4.7mm Efl8mm Aspheric Lens Na0.25 for Laser Collimator Focus
Brand: Changchun Sunday Optics Co., Ltd.
SKU: 787524412

Jilin, ChinaChangchun Sunday Optics Co., Ltd.

US$1.80-3.00

20 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Usage

Thermal Image

Type

Convex Lens

Model NO.

SRT029

Transmittance

>95%

Shape

Single-lens

Material

Optical Glass

Certification

RoHS, CE

Customized

Coating

Surface Quality

60-40

Flatness

1/4 Lambda

Tolerance

+/-0.05mm

Efl

3.8mm

Transport Package

100PCS Per Box

Specification

3mm

Trademark

Sunday Optics

Origin

China, Changchun

HS Code

9001909090

Production Capacity

5000PCS Per Month

Key features

High Transmittance: Transmittance exceeds 95% for optimal light efficiency.

Customized Options: Surface quality, flatness, tolerance, and EFL are customizable.

RoHS and CE Certified: Meets international safety and environmental standards.

Optical Glass Material: Constructed from high-quality optical glass for durability.

Low Minimum Order: Accepts orders as low as 1 piece for flexibility.

Comprehensive Test Reports: Full size test reports available for focal length, flatness, and coating.

Fast Sample Delivery: Samples delivered within 10 to 20 working days.

Quality Guarantee: Offers repair or full refund for quality issues.

Company profile

Changchun Sunday Optics Co., Ltd.

Jilin, China

Business Type: Manufacturer/FactoryExport Year: 2013-05-09Nearest Port: beijing, shanghai, shenzhenAverage Response Time: ≤8.20hTerms 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.