A microscope objective lens produces a real, magnified image of an object placed within the field of view. Before it is observed the image is then magnified again by the ocular lens, also known as the ...

A hefty pair of premium binoculars with locking diopter, plenty of eye relief and large-diameter 50mm objective lenses make these great for wide-field use in low light. Why you can trust Live Science ...

Who said astronomy binoculars have to be big? These quirky pocket-sized ‘constellation binoculars’ offer just 2.1x magnification yet with 44 mm objective lenses let a lot of light in. The result is an ...

LASER COMPONENTS supply microscope objective lenses compatible with all major brands. The objective lens is the closest optic to the observed specimen and consist of a series of lenses in a compact ...