FRESNEL LENS works well with wide angle lens which tends to give dark corners.

Class-leading brightness and contrast comparing to other lenses

Provision of critical focus reference point for the utmost accuracy

Thinnest profile in the market with minimized focus shift

This can really be a great and creative gift to children as a toy and senior people who need a visual aid.

Fresnel lenses are most often used in light gathering applications, such as condenser systems or emitter/detector setups.

It can also be used as magnifiers,3D display or projection lenses.

This Lens is also great for the fine print in books, magazines, maps, telephone directories, recipes, etc.

All the lenses have injection port at the edge, it look like crash trace, actually not, just designed for this.

2 pcs Fresnel lenses