What is the lead time for production?

Lead time depends on quantity and specifications. Stock products are sent within 2 days after payment.

Do you accept OEM or ODM orders?

Yes, we accept all OEM and ODM orders.

Is there a warranty for the products?

Yes, if there is a quality problem, we provide solutions, rework, or replacements at our cost.

Convex Objective Lens

Name: OEM Dia25.4 Bbar Coating Polished Achromatic Telescope Doublet/Concave/Convex Objective Lens
Brand: Tianjin Tengteng Optoelectronic Technology Co., Ltd.
SKU: 1938415592

Tianjin, ChinaTianjin Tengteng Optoelectronic Technology Co., Ltd.

US$10.00-100.00

1 Piece

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Usage

Lighting, Medical, Optical, Photography

Type

Spherical Lenses

Model NO.

TT Lens 157

Transmittance

>95%

Shape

Single-lens

Material

Optical Glass

Lenses Color

Clear

Certification

ISO9001

Customized

Coating

Min

1 Unit

Payment Term

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

Thickness

as Required

Surface Quality

40-20

Polished

Yes

Centration

30arc Second

Bevel

Protective Bevel as Needed

Transport Package

Carton, Blister, Customized

Specification

As required

Trademark

Origin

Tianjin

HS Code

9001909090

Production Capacity

4000pieces/Month

Key features

Customized Optical Lenses: Supports full customization including size, coating, and design per customer requirements.

High Transmittance: Optical glass lenses with transmittance greater than 95% for clear imaging.

Professional OEM/ODM: Factory accepts OEM and ODM orders with dedicated R&D support.

ISO9001 Certified: Manufacturing process certified under ISO9001:2015 quality management system.

Fast Delivery: Stock products shipped within 2 days after payment confirmation.

Low MOQ: Minimum order quantity is just 1 unit, suitable for testing and small batches.

Quality Warranty: Free replacement or rework provided for any quality issues upon contact.

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: ≤2.93h

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.

Product Q&A

Q:Are you a manufacturer or trader?

We are a manufacturer in Tianjin, China. You are welcome to visit our factories and offices at any time. We have a video to show you our factory in detail.

Q:What is the minimum order quantity?

The minimum order quantity is 1 unit.

Q:What are the payment terms?

We accept T/T, Letter of Credit, Western Union, PayPal, D/P, and Money Gram.

Q:Can I get free samples before ordering?

Samples are available, and the sample fee will be refunded when you place a large order.

Q:Do you offer design services?

Yes, we have an R&D department to work with you and provide the best service until you are satisfied.