What materials are used for the lenses?

Materials include Sr55 and CR-39, with options for 1.49, 1.56, 1.59, 1.60, 1.67, and 1.74 indices.

What is the Abbe value of the lenses?

The specific Abbe value for the lenses is 38.

What is the specific gravity of the lenses?

The specific gravity of the lenses is 1.28.

Middle Index 1.56 Bifocal Flat Top Photochromic Grey Blue Cut Optical Lenses

Name: Middle Index 1.56 Bifocal Flat Top Photochromic Grey Blue Cut Optical Lenses
Brand: Danyang Boris Optical Co., Ltd.
SKU: 2005664955

Jiangsu, ChinaDanyang Boris Optical Co., Ltd.

US$0.10-10.00

1,000 Pairs

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Usage

Lighting, Medical, Optical

Type

Convex Lens

Transmittance

>95%

Shape

Ball, Hemisphere

Material

Sr55

Lenses Color

Clear

Certification

ISO9001, CE

Customized

Coating

HMC

Power Range

Sph -0.25~-2.00 ,+0.00~+3.00,Add +1.00~+3.00

Coating Color

Green Blue

Specific Gravity

1.28

Abbe Value

Transport Package

White Envelopes or as Customers Requirement

Specification

70/28mm

Trademark

BORIS

Origin

Danyang, Jiangsu, China

HS Code

900150

Production Capacity

20000PCS/Day

Key features

Photochromic Functionality: Lenses darken under UV light and restore transparency indoors for versatile indoor/outdoor use.

Bifocal Design: Corrects both far and near vision, ideal for presbyopia with distinct upper and lower zones.

Blue Cut Protection: Functional lens coating available to filter harmful blue light for eye protection.

High Transmittance: Optical performance with transmittance exceeding 95% for clear vision.

ISO9001 & CE Certified: Manufacturing process and products meet international quality and safety standards.

Customized Power Range: Flexible power options including Sph -0.25 to +3.00 and Add +1.00 to +3.00.

Free Samples Available: Free product samples provided, with customer responsible for freight charges.

OEM Service Support: Customization services available upon submission of specific requirements.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceMulti-language PioneerExhibition Experience

Danyang Boris Optical Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.10h

About Our Factory & Business Background

AddressSitu Glasses Industrial Zone, Danyang, Zhenjiang, Jiangsu, China

Our Production Capability & Technical Expertise

Main ProductsOptical Lens, Cr39 Lens, 1.56 Lens, Blue Cut Lens, Progressive Lens, Photochromic Lens, Bifocal Lens, Polycarbonate Lens, Semi Finished Lens

Product Q&A

Q:Could you provide samples?

Of course, free samples can be sent to you, but please help us pay the freight fee.

Q:What Certification do you have for your optical lens?

FDA, CE, ISO9001 certification is available.

Q:What is the MOQ of optical lens?

We dont have Min Order quantity requirement. But if the quantity order is too small, we have to charge extra delivery fee.

Q:Could you provide OEM service?

Sure, just send us your requirements.

Q:What is the transmittance rate of the lenses?

The lenses feature a transmittance rate of greater than 95%.

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