The Digital Photography Companion



EXPOSURE METERING OPTIONS

19

Diopter Adjustment

e diopter adjustment allows for manual adjustment of the optical viewfinder to best

suit your vision. When I was younger, I couldn’t have cared less about this feature. ese

days I’m very thankful for it, because it’s hard to look through optical viewfinders with

glasses on.

Direct Print

Direct Print is a standard developed in 2002 that enables a common printing protocol

between camera and printer, eliminating the need for a computer to produce prints.

Original adopters were Canon, Epson, Fujifilm, HP, Olympus, and Sony. Many consumer

cameras use an evolution of this technology called PictBridge (discussed later).

Display Control

You can turn off the LCD display to conserve battery power. is button often has

a third option that provides for the display of camera data on the screen while

composing the picture. You can typically cycle through these different settings by

pushing the button repeatedly. One useful display option is the live histogram. In

this mode, you get a graphical representation of the tonal values in the picture that

you’re composing, or have just captured, to help you evaluate its exposure. e his-

togram option is particularly handy when working in bright light that compromises

the image on the LCD.

Exposure Metering Options

All digital cameras have some type of exposure meter, but ...