I
- IBIS
- IF (Internal Focus)
- ILC (Interchangeable Lens Camera)
- Image circle
- Image quality setting
- Image size setting
- Image stabiliser
- Infra red
- In lens (leaf) shutter
- Intelligent Auto (iA) (Panasonic)
- Interlaced video
- Interpolation
- Intervalometer
- Interval timer
- iOS
- iPad
- iPhone
- IS (Image Stabiliser) (Canon)
- ISO (sensitivity)
- ISO expansion