If you’re a photographer, chances are high that you’ve got a few cutesy lens shaped coffee mugs kicking around your kitchen. There might have even been a new one shoved inside your stocking this year.

Fresnel lenses were invented over two centuries ago to help lighthouses prevent shipwrecks. They're still enhancing safety, ...

Optica Lens Manufacturers shares that along with the development of science and technolgy faster and faster,the heat of the LED lights appear not decline,launched on the market is more suitable for ...