M
- M42 mount
- Macro lens
- Macro mode
- Macro photography
- Magnetic filters
- Managed files
- Manual exposure
- Manual focus
- Manual lens
- Mask
- Maximum aperture
- Maximum magnification
- Mechanical shutter
- Medium format
- Megapixels (MP)
- Memory card capacity
- Memory cards and what to look for
- Memory card speed
- Memory Stick (Sony)
- Merge (HDR)
- Merge (panorama)
- Metadata
- Metering patterns explained
- Micro Four Thirds (MFT)
- Microlens (sensor)
- Microphone
- Midtones
- Miniature effect
- Minimum focus distance
- Mirrorless cameras explained
- Mirror up mode
- M mount (Leica)
- Mode dial
- Modelling lamp
- Modifier (lighting)
- Moiré
- Monitor calibration
- Monochrome
- Monopod
- Montage
- Mount adapter
- MP4
- Multi pattern metering
- Multiple exposure
- Multi selector