What is the lead time?

It is up to your quantity and specification and our stock. Your products will be sent within 2 days once you make payment for the stock products.

Do you have enough stock?

Sure. We have enough stock because our factory is in this area for over 20 years. You can contact our salesperson to get stock at any time.

Can you accept OEM or ODM?

Yes, we accept all OEM and ODM.

Spectroscopy

Name: Focal Length 20mm Cemented Achromatic Triplets Coated Lenses for Telescope/Binocular/Microscope/Spectroscopy
Brand: Tianjin Tengteng Optoelectronic Technology Co., Ltd.
SKU: 1915960211

Tianjin, ChinaTianjin Tengteng Optoelectronic Technology Co., Ltd.

US$3.00-30.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Usage

Lighting, Medical, Optical, Photography

Type

Spherical Optical Lenses

Model NO.

TT Lens 287

Transmittance

>95%

Shape

Single-lens

Material

Optical Glass

Lenses Color

Clear

Certification

ISO9001

Customized

Coating

HMC

Min

1 Unit

Payment Term

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

Thickness

as Required

Surface Quality

40-20 or Better

Bevel

Protective Bevel as Needed Products Learn More

Diameter Tolerance

+0/-0.01 or as Required

Transport Package

Carton, Blister, Customized

Specification

As required

Trademark

Origin

Tianjin

HS Code

9001909090

Production Capacity

4000pieces/Month

Key features

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

Wide Application Range: Suitable for telescopes, binoculars, microscopes, and spectroscopy equipment.

Customizable Options: Offers customized diameter, thickness, and surface quality based on requirements.

Professional OEM/ODM: Accepts OEM and ODM services with dedicated R&D support for design.

Quality Assurance: ISO9001 certified with 100% inspection for visual and functional quality.

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

Low MOQ: Minimum order quantity is just 1 unit, allowing for easy trial orders.

Expert Support: Professional engineers provide technical support and design assistance.

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: ≤1.39h

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?

1 unit.

Q:What are the payment terms?

T/T, Letter of Credit, Western Union, etc.

Q:Can I get free samples before placing an order?

Your samples fee will be refunded when you place a large order.

Q:Do you have professional people to design according to my requirements?

Of course, we have an R&D department to work with you and provide you the best service until you will be satisfactory.