Pentax A30E Using the Exposure Mode and Other Functions

Shutter release button

Four-way controller

OK button

Using the Exposure Mode and Other Functions

R (Program mode), (Shutter Priority mode) and (Manual

4Exposure mode) allow you to take pictures with various aperture and shutter speed settings (Exposure modes).

Pictures Taking

RProgram	Sets shutter speed and aperture automatically for proper
	exposure.

Shutter Priority Set shutter speed manually. Aperture is set automatically.

	Manual	Set both shutter speed and aperture manually.
	Exposure	Set both shutter speed and aperture manually.
	Exposure

Effect of Aperture and Shutter Speed

There are many correct combinations of shutter speed and aperture for a particular subject. Different combinations produce different effects on a picture.

	Slower shutter	The shutter remains open for a longer time. If the subject is moving,
	Slower shutter	the image will be blurred while the shutter is open, thus enhancing
	speed
	speed	the effect of motion.
		the effect of motion.
	Faster shutter	The shutter remains open for a shorter time. It allows freezing the
	speed	action of a moving subject.
	Smaller aperture	Decreases the amount of light which enters through the lens.
	value
	value
	Higher aperture	Increases the amount of light which enters through the lens.
	value
	value