What is lean enterprise and why is it essential your businesses' survival? Read part one in a series of nine articles about lean enterprise from VIPGroup.
The numerical aperture of a microscope objective defines the objective's resolution. Each microscope objective has a minimum and maximum magnification necessary for the details in an image to be resolved. A simple formula for the minimum value is (500 x NA). And for the maximum magnification (1000 x NA).
Optical Viewfinders (OVFs) An Optical viewfinder is usually used in SLR cameras. It is a glass prism that allows you to see the view through the lens. The light comes through the lens, hits a mirror, then bounces up into the viewfinder prism, where it is bounced towards your eye.