Digital Camera Features | Digital Photography and Imaging

Preview Screens
& Viewfinders

 Lenses

 Creative
Controls

 Automatic Flash

Batteries etc

Other Features

Digital Camera Features


Item Comment
Preview screen, size LCD preview screens are used to compose
or review pictures.
Optical viewfinder An optical viewfinder is used to compose
images. It requires no power. This design has a separate viewfinder
window slightly offset from the lens.
Thru-the-lens (TTL) viewing This design shows you the view through
the lens when you look into the viewfinder.
Item Comment
Focal length Determines the lens’ angle of
coverage.
Zoom lens Optical zooms are better than digital
zooms
Macro mode A lens mode that lets you get very close
to small objects to show them greatly enlarged.
Interchangeable lenses Interchangeable lenses let you change
focal lengths.
Lens accessories Some cameras make it easy to attach lens
accessories such as filters or adapters, other make it hard.
Maximum aperture Larger apertures are better in low light
or when capturing fast action.
Detachable/rotatable lenses Allow you to position the camera body and
lens independently to shoot over crowds or around corners.
Glass or plastic? Glass lens are generally better than
plastic lenses.
Item Comment
Automatic mode Camera sets both aperture and shutter
speed.
Exposure compensation You can adjust exposure one or two stops
in either direction to lighten or darken scenes.
Shutter priority mode You set the shutter speed to control
motion and the camera selects the best matching aperture.
Aperture priority mode You set the aperture to control depth of
field and the camera selects the best matching shutter speed.
Manual mode You set bot aperture and shutter
speed.
Focus, fixed Unadjustable focus is preset.
Focus, automatic Camera focuses on subject in the middle
of the viewfinder.
Focus, manual You focus the camera so you can determine
what’s in focus and what isn’t.
Focus range, minimum focus distance How close you can get to a subject.
Exposure/focus lock You point to anything and hold down the
shutter button halfway to lock in exposure and focus settings.
White balance Adjusts the image sensor for the type of
light under which you are photographing. Can be automatic or
manual.
Item Comment
Flash range The maximum range at which the flash
illuminates a subject.
Flash mode, auto The flash fires when their isn’t enough
natural or artificial light to get a good exposure.
Flash mode, off The flash won’t fire so you can use
natural light even when the light is low.
Flash mode, fill or forced The flash fires even when there is enough
light for a good exposure. Good for filling shadows on sunny
days.
Flash mode, slow sync Let’s you adjust the relative brightness
of the foreground subject illuminated by the flash and background
subjects illuminated by natural light.
Red-eye reduction Fires a first flash to close the subjects
iris before firing the second flash used to take the picture.
Hot shoe, sync connector Allows you to remove the flash from the
camera.
Item Comment
Alkaline batteries Inexpensive but don’t last long and
aren’t rechargeable.
NiCad batteries Suffers memory problems if not charged
properly.
NiMH batteries The current first choice for digital
camera batteries. Rechargeable and no memory problems.
LiOn batteries Longest lasting batteries but the most
expensive. Rechargeable and no memory problems.
Battery charger/conditioner Recharges batteries.
AC adapter Plugs the camera into a wall socket so
you can keep shooting when your batteries are
dead.
Item Comment
Look and feel Try it, see if you like it.
Size and weight The smaller and lighter it is, the more
likely you are to take it with you.
Orientation sensor Rotates portrait mode images so they are
turned sideways on the preview screen, TV and, computer
screen.
Burst mode Shoots a series of pictures one after
another at a high rate.
Time-lapse mode Shoots a series of pictures at preset
intervals.
Video mode Shoots a few seconds of minutes of video
with sound.
Panoramic, single image Takes one image using just the center
band of the image sensor.
Panoramic, multiple image Guides you through a series of images
which you then stitch together into a single image on the
computer.
Multiple exposures Let’s you take multiple images so they
overlap one another.
Tripod mount Provides a place into which you can screw
a tripod.
Self-timer The camera fires at the end of a preset
period of time.
Remote control You can fire the camera from a distance
with a wireless remote control.
Date/time indicators Images are date and time stamped.
Written annotation The preview screen you can write on to
annotate pictures.
Sound recording The camera contains a microphone so you can record
comments about your pictures.
Software This varies widely from camera to camera but usually
includes download software and a photo-editing program
Operating system Most operating systems are unique to a specific line
of cameras. The only exception is Digita that allows you to write
scripts to automate camera functions.