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Photography Videos

What is Aperture (F-Stop) and how does it work?

April 2nd, 2008


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. Read the rest of this entry »

How to clean your camera lens

April 1st, 2008


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. Read the rest of this entry »

How a Camera Lens is Made

April 1st, 2008


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.  Read the rest of this entry »