AVISTA® · THINNER AND LIGHTER LENSES

Go your world beyond Asia.

OPTITECH is an optical lens manufacturer established in Korea in 2000. Under the AVISTA® brand, we supply a full line-up — from CR-39 1.49 to Super Hi-Index 1.67 ultra-thin lenses — with UV-400 and EMI coating available across our range.

2000
Factory Est. (KR)
1.49 — 1.67
Index Range
UV 400
UV Cut
See the Line-up Download Catalog
AVISTA® ▸ OPTICAL LENS
MADE IN KOREA
AVISTA optical glasses
CR-39 — INDEX 1.49 MID-INDEX — 1.56 HI-INDEX — 1.61 SUPER HI — 1.67 UV-400 · EMI ASPHERIC — Distortion Free CR-39 — INDEX 1.49 MID-INDEX — 1.56 HI-INDEX — 1.61 SUPER HI — 1.67 UV-400 · EMI ASPHERIC — Distortion Free
CEO's Greeting · Optitech Corp.

Go your world,
beyond Asia.

"
I never forget the moment when our factory was established in Korea in 2000. Enormous challenges were scattered out there — financially and technically — but we did overcome those difficulties.

The future of Optitech is right on the bright side. I can foresee the image of Optitech, glittering amongst world-class optic groups. Please, keep your warm eyes on our beginning of the 2nd act.
CEO'S GREETING · OPTITECH CORP.
01 / R&D

Seamless Investment on R&D

We never neglect to invest in R&D, even though we already have state-of-the-art facilities that do not fall behind those of any advanced country. Based on this fertile soil, the sweat of engineers and researchers will be the cornerstone for a world-class company.

02 / PRODUCTION

Customer Oriented Production System

Quality, delivery, and radical warranty service — all regarded as organic parts working in coordination, like the human body. We create extreme customer satisfaction by responding to demands immediately with organic harmony.

03 / PEOPLE

Long-term Training for Human Resources

There is a belief that an individual's growth can lead a company's value. We plan long-term training sessions, pursuing not only company value but individual success — the mark of a truly world-class company.

Products · AVISTA® Line-up

Thinner & Lighter.
The full line-up.

Product specifications and Power Range — from CR-39 Index 1.49 to Super Hi-Index 1.67, in spheric and aspheric designs.

Spheric · EMI 1.56 AVISTA 1.56 Mid-Index Spheric EMI Lens

Mid-Index Spheric EMI

Middle Index · EMI Coating

EMI lens protects your eyes by blocking harmful electric waves created from computers. It is good for children and office workers in front of computers for a long time particularly.

Index (nD)1.56
Abbe (vD)38
S.G1.28
MaterialNK-55
Coated ColorGreen
Diameter72, 70, 65mm
Power Range
Production Range Chart
SPH0.00 ~ 8.00 CYL0.00 ~ ±2.00 Ø72 · 70 · 65mm
AVISTA 1.56 Spheric EMI Power Range Chart
Multiple diameters available by prescription range. Refer to chart.
Spheric · UV400 · EMI 1.56 AVISTA 1.56 Mid-Index Spheric UV-400 EMI Lens

Mid-Index Spheric UV-400 & EMI

New Developed · Hard / Multi Coating

Our newly developed MID-INDEX UV-400 & EMI lens protects your eyes from harmful ultraviolet rays and electric waves, and helps the wearer see clearly and with clarity thanks to Hard/Multi Coating. A popular, high-quality product for the young generation — especially because it produces less stain dust.

Index (nD)1.56
Abbe (vD)38
S.G1.28
MaterialNK-55
Coated ColorGreen
Diameter72, 70, 65mm
Power Range
Production Range Chart
SPH0.00 ~ 8.00 CYL0.00 ~ ±2.00 Ø72 · 70 · 65mm
AVISTA 1.56 Spheric UV-400 EMI Power Range Chart
Multiple diameters available by prescription range. Refer to chart.
Aspheric 1.56 AVISTA 1.56 Mid-Index Aspheric Lens

Mid-Index Aspheric Lens

Distortion Free · Aspheric Design

Aspheric lenses are thinner and lighter than normal lenses, and distortion free. Wearers feel comfortable through aspheric lenses.

Index (nD)1.56
Abbe (vD)38
S.G1.28
MaterialNK-55
Coated ColorGreen
Diameter72, 70, 65mm
Power Range
Production Range Chart
SPH0.00 ~ 8.00 CYL0.00 ~ ±2.00 Ø72 · 70 · 65mm
AVISTA 1.56 Aspheric Power Range Chart
Multiple diameters available by prescription range. Refer to chart.
Photochromic · UV & EMI 1.56 AVISTA 1.56 Photochromic Gray&Brown UV & EMI Lens

Mid-Index Photochromic Gray&Brown

UV & EMI · Hard Multi Coated

Photochromic lens that darkens under UV exposure and fades back to clear indoors — combined with UV and EMI protection. The proprietary Monomer raw material delivers the highest transmittance value before darkening, superior cutting-rate after darkening, and the fastest reaction time.

Index (nD)1.56
TypePhotochromic
ColorGray&Brown
CoatingUV & EMI · HMC
Clear State85%
Darkening9.7%
Transmission Curve
Darkening / Fading Performance
Clear85% Fading 3min75% Darkening9.7%
CLEAR
85%
FADING 3MIN
75%
DARKENING
9.7%
Test condition: C.T 2mm · Light source 350nm · Test wavelength 490nm @ 15℃. Power range available — please contact for specifications.
Spheric · UV400 · EMI 1.61 AVISTA 1.61 Hi-Index Spheric UV-400 & EMI Lens

Hi-Index Spheric UV-400 & EMI

High Index · MR-8 · HMC EMI

Avista Hi-index Spheric UV-400 & EMI lens protects your eyes by blocking harmful ultraviolet rays and electric waves. High-index material delivers a thinner, lighter lens than standard spheric designs.

Index (nD)1.61
Abbe (vD)42
S.G1.34
MaterialMR-8
Coated ColorGreen
Diameter75, 70, 65mm
Power Range
Production Range Chart
SPH0.00 ~ 10.00 CYL0.00 ~ ±4.00 Ø75 · 70 · 65mm
AVISTA 1.61 Hi-Index Power Range Chart
High CYL Power supported — S -0.00/-6.00 ~ C -2.25/-4.00 (75mm) · S -6.25/-8.00 ~ C -2.25/-4.00 (70mm).
Aspheric · UV400 · HMC · EMI 1.61 AVISTA 1.61 Hi-Index Aspheric UV-400 & HMC EMI Lens

Hi-Index Aspheric UV-400 & HMC EMI

High Character · Elegant Image

Avista Hi-index Aspheric UV-400 & HMC EMI lens protects your eyes by blocking harmful ultraviolet rays. Guaranteed clearness due to aspheric design — distortion is eliminated — for a high character, elegant image.

Index (nD)1.61
Abbe (vD)42
S.G1.34
MaterialMR-8
Coated ColorGreen
Diameter75, 70, 65mm
Power Range
Production Range Chart
SPH0.00 ~ 10.00 CYL0.00 ~ ±4.00 Ø75 · 70 · 65mm
AVISTA 1.61 Aspheric Power Range Chart
High CYL Power supported — S -0.00/-6.00 ~ C -2.25/-4.00 (75mm) · S -6.25/-8.00 ~ C -2.25/-4.00 (70mm).
Aspheric · UV400 · EMI 1.67 AVISTA 1.67 Super Hi-Index Aspheric UV-400 & EMI

Super Hi-Index Aspheric UV-400 & EMI

Water Repellent · CT 1.10mm

Avista Super Hi-index Aspheric UV-400 lens is the best lens to help you see clearly and with clarity. With water-repellent treatment, it cannot be spotted or scratched. Developed for the highest character and quality with our most advanced technology — more comfortable to wear as a pair of thin, lightweight glasses. Center thickness 1.10mm (vs. CR-39 1.50mm).

Index (nD)1.67
Abbe (vD)32
S.G1.35
MaterialMR-7
C.T1.10mm
Diameter75, 70mm
Power Range
Production Range Chart
SPH0.00 ~ 15.00 CYL0.00 ~ ±2.00 Ø75 · 70mm
AVISTA 1.67 Super Hi-Index Power Range Chart
High CYL Power supported — S -0.00/-6.00 ~ C -2.25/-4.00 (75mm) · S -6.25/-8.00 ~ C -2.25/-4.00 (70mm).
Spheric 1.49 AVISTA CR-39 Spheric Lens

CR-39 Spheric Lens

Standard · Hard Multi Coated

This CR-39 Spheric lens has excellent properties and a high Abbe value — the most suitable plastic spectacle lens for the human eye. It is thick and weighty compared with other lenses, though it is low in price.

Index (nD)1.49
Abbe (vD)58
S.G1.32
MaterialCR-39
Coated ColorGreen
Diameter70, 65mm
Power Range
Production Range Chart
SPH0.00 ~ 4.00 CYL0.00 ~ ±2.00 Ø70mm · 65mm
CR-39 1.49 Power Range Chart
Available in single diameter 70mm (<2.25) and 65mm (≥1.75). Refer to chart for details.
Also Available · Semi-Finished Line
Semi-Finished Lens · Bifocal & Progressive
N-1.67 Aspheric, N-1.61 Aspheric / Spheric Semi-Finished lenses, Flat Top Bifocal, Blended Bifocal, and Progressive Short Corridor Semi-Finished are also supplied on request.
Contact for Details
Resources

AVISTA® Product Catalog

Full AVISTA® product catalog covering all indices, product specifications, Power Range charts, and the Semi-Finished / Progressive line (11 pages).

Download PDF
AVISTA® Product Catalog
PDF · 11 pages · Full line-up
Contact Information

Get in touch with
OPTITECH CORP.

For product inquiries, distribution, OEM, or sample requests, please contact us through the channels below.

Email
avista@optitech.co.kr
Mobile
+82-42-523-9786
Address
OPTITECH CORP. #403-17, GALMA-DONG, SEO-GU,
DAEJON 302-809, KOREA