| Customization: | Available |
|---|---|
| Magnification: | <10 |
| User: | Jewelry |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Large area reader magnifier
Advantages:
It can reduce eye fatigue from reading newspapers, reports, maps or other printed materials, and can observe the whole data without frequent movement.
Magnification factor :3X(large area can also achieve three times the effect, is not comparable to ordinary acrylic magnifier.
Warm tip: this model does not have LED light
[art. No.] 275205FR
[specification] 275*195 lens part 260*180* 0.7mm
[color] black box
[outer box size]
OPP + white box:
66 x44x30 17.5 KGS
49.5 X44X30/36 set 13/12 KGS
[product material] frame ABS/ lens resin
[Fresnel magnifier function introduction]
This is a super thin magnifying glass.Made of clear perspex (more materials can be used, of course).The smallest thickness of Fresnel magnifying glass made of PVC can be between 0.45mm~0.90mm. Different from general magnifying glass, its surface is full of tiny stripes, which contain many convex lenses (circular ring for short) in its spiral stripes, which makes the light bending through it produce diffraction phenomenon, thus forming enlarged images.Fresnel lens is characterized by higher brightness, flat surface and larger radiation area than ordinary lens.General ordinary concave convex lens its diameter is very limited, and Fresnel in the field of magnifying glass played a very good role, to achieve the general ordinary lens can not achieve the effect.And now the thickness of Fresnel magnifying glass is only 0.45mm, then carry, in fact, the main function is to reduce the weight and volume of conventional magnifying glass made of ordinary organic glass, glass magnifying glass
){kind=link}