Top Highlights

• opening of f/11 to f/8, the volume of light entering the lens doubles.
• shifted a full stop. This is important to note since most cameras today also offer the ability to set the shutter speed to one-third stops: 1/500 sec., 1/400 sec., 1/320 sec., 1/250 sec., 1/200 sec., 1/160 sec., 1/125 sec., 1/100 sec., 1/80 sec., 1/60 sec., and so on. (Again,
• The job of these worker bees is to gather the light that comes through the lens and make an image.
• opportunities rely on the one best aperture choice or the one best shutter speed choice. What’s the one best aperture?
• the light that falls on our world is measured in degrees Kelvin (K), from roughly 2,000 K to 11,000 K.