Knowledge Q&A | Durable Magnifiers for Industrial Use | E-Tay

KNOWLEDGE Q&A | E-Tay magnifier factory is a professional manufacturer to offer superior quality magnifying glass products,and provide perfact service for our clients.

Knowledge Q&A

Over 30 years experience of making magnifiers and fresnel lenses, we also have some useful knowledge to share with the public.
It's our pleasure to help people find a suitable magnifier so that their vision will be clear and bright.


Result 1 - 12 of 23

Fresnel lenses are portable and lightweight sheets used for light gathering or magnifying. The frensel lens was first invented by a French physicist namely Augustin-Jean Fresnel. Augustin Fresnel first...

Read more

When one thinks of a magnifying glass, they tend to think of the big classic type lens. However, in actual use, you want a lightweight, and powerful magnifier that has impeccable optics and is simple to use....

Read more

Diopter refers to the curvature of the lens. As the diopter increases, the lens become thicker and the curvature greater. As the curvature increases, light rays are redirected to fill a greater portion...

Read more

An aspheric lens is an ideal magnifier from several points of view. When used at its conjugates, there is no distortion of the image (a rectangular grid remains a rectangular grid after magnification)....

Read more

The lens of the eye is equivalent to a convex lens. It also works according to the theory of the actual image is inverted and minimized when object distance is greater than 2 times of the focal length....

Read more

A magnifying glass (called a hand lens in laboratory contexts) is a convex lens that is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle (see image)....

Read more

Usually. It won't get the magnification effort when touching a page. Because a magnifier with convex lens needs some distance between object and lens as focal length. In order to achieve maximum magnification...

Read more

People usually assume magnifying glasses only help seniors physically, but rarely aware magnifying glasses can help psychologically. We would like to share paragraphs excerpted from “99 years old, no matter...

Read more

Usually, Fresnel lens is cut into spherical surface shape in order to minimize the optical aberration of the image during imaging. The lens can better align an ideal point light source into a parallel...

Read more

The Fresnel lens has been used in many ways of our daily consumption. You can find it in the camera;s focusing screen, LED spotlight, ATM machines, buses, trucks, solar panel cells, magnfiers, traffic...

Read more

In order to make the VR headset lens thinner and lighter, some lenses use Fresnel lenses. This lens has the same curvature as a normal lens, but has threads of different sizes on one side. But using a Fresnel...

Read more
Result 1 - 12 of 23

Knowledge Q&A | precision optical magnifiers for businesses | E-Tay

Located in Taiwan since 1980, E-TAY INDUSTRIAL CO., LTD. is a magnifying glass products manufacturer. It's wide range of magnifying glasses include, magnifying glass with light, eclipse glasses, kids magnifying glasses, dome magnifiers, reading magnifiers, hand free magnifiers, hand held magnifiers, headband magnifiers, which are FDA approved and CE/RoHS compliant in the optical industry.

Discover precision-crafted magnifying solutions with E-Tay's extensive range of optical magnifiers. Since 1980, our FDA-recognized and CE/RoHS-compliant magnifiers, including innovative lighted and hands-free models, have empowered businesses with unparalleled clarity and quality. Partner with E-Tay for magnifying excellence.

E-Tay continuously to designing innovative magnifiers, both with advanced technology and 38 years of experience, E-Tay ensures that each customer's demands are met.