Aperture is how a lens controls the amount of light that comes through into the camera. F-Stop is a description of how much light is being allowed in. The smaller the F-Stop value the larger the opening (aperture). Aperture size is usually calibrated in f-numbers or f-stops. (more…)
How to clean the lens on your digital or video camera. Bobby Hester from Expert Village demonstrates how to clean the lens of your camera.
Clean lenses are necessary equipment for all photographers whether you are shooting with a digital camera or film. (more…)
This video from the Discovery Channel shows how a camera lends is made.
It all starts with a design. A diamond blade slices up a block of optical glass. A drill cuts the glass into disks. Optical glass is very expensive. A device spins one of the disks while a wheel overhead sculpts it into a lens. Each lens is checked for chips. (more…)