M
- Macro lens
- Macro mode
- Macro photography
- Manual (M) mode
- Manual focus
- Master flash
- Maximum aperture
- Mechanical shutter
- Medium format
- Megapixels (MP)
- Memory card
- Memory card capacity
- Memory card speed
- Memory Stick/Duo
- Messenger bag
- Metadata
- Metering modes
- Micro Four Thirds (MFT)
- Microlens (sensor)
- Micro Nikkor
- Microphone
- MicroSD card
- Miniature effect
- Mirrorless camera
- Mirror lock up
- Mode dial
- Modelling lamp
- Modifier (lighting)
- Moiré
- Monitor calibration
- Monitor profile
- Monopod
- Mount adaptor
- MP4
- Multi-aspect sensor
- Multi-pattern metering
- Multiple exposure