DSLRs
Sensor sizes at a glance
Three formats dominate DSLR and mirrorless cameras…
Full-frame (36 x 24mm)
These imaging sensors have similar proportions to a frame of 35mm film.
APS-C (≈ 25.1 x 16.7mm)
Based on the Advanced Photo System film format from the 1990s.
Micro Four-Thirds (17.3 x 13mm)
The 4:3 aspect ratio allows smaller and lighter lenses to be used.
WHAT TO LOOK FOR IN A… DSLR
Lens release To remove the lens, press the button and twist the lens anti-clockwise. Use the protective body cap, so you don’t leave the sensor exposed to dust.
Shutter release To shoot, press the shutter release button. To focus and meter the scene, half press the shutter release.
Lens A DSLR is far more versatile than a camera with a fixed lens because you can change lenses and alter the angle of view.
Sensor This is where your images are recorded before being processed and stored on your memory card.
Mode dial The mode dial is where you access the camera’s shooting modes. For first-time users, the fully Auto mode selects all the camera settings for you.
Hotshoe To attach a flashgun, slot it into place and tighten the catch on the device.
The command dial is used
