- Standard zoom lens - 24-105mm focal length, fast f/4 aperture
- Super UD glass lens and two types of aspherical elements effectively correct aberration
- Image Stabilizer gives equivalent effect of a shutter speed three stops faster during hand-held shooting
- Optimised lens coating to minimise ghosting and flare
- High dust and moisture resistance for use in harsh environments
- Closest focus distance of just 45cm at all zoom focal lengths
- Circular aperture producing attractive background defocus
- Inner focusing, ring USM and new AF algorithms for fast and quiet autofocusing
- Manual focusing enabled even during AF mode (full-time mechanical manual focus)
- Only environmentally friendly lead-free glass used in lens construction