Articles, tagged with "optical system", page 1

Construction lasers are helpful and essential tools in making accurate measurements. They also save time, speeding up the construction planning process. Some of the uses of laser levels include measuring elevation and distance, carrying out excavation wor...

Sports require not only a lot of physical and mental strength but also good eyesight and clear vision. For this reason a new category was created in the range of sunglasses - Sports sunglasses. Many brands understood that a unique line of sunglasses desig...

The Formax FD 8400HS is a National Security Agency approved shredder, offering the highest level security on the market, along with some other nice features. Here is a closer look at some of the strengths and weaknesses of the Formax FD 8400HS. If on...