Canon 100-400mm f4.5-5.6L IS II - 1857

Canon 100-400mm f4.5-5.6L IS II - 1857

What our Experts Think

• Professional telephoto versatility: The 100–400 mm range covers wildlife, sports, action, and travel photography with excellent reach and flexibility.
• Outstanding image stabilization: Up to ~5.5–6 stops of IS (with IBIS) keeps handheld shots sharp, even toward the long end of the zoom.
• L‑series optical excellence: Premium glass and coatings deliver high sharpness, contrast, and color fidelity across the range with excellent flare control.
• Fast, accurate AF: Ring USM autofocus provides quick, precise, and responsive focusing—critical for tracking moving subjects.
• Robust pro build: Weather‑sealed construction, solid ergonomics, and reliable performance make it a go‑to lens for demanding field work.
• Smooth zoom and handling: Balanced handling and smooth zoom action help with comfortable shooting during long sessions.
• Great real‑world performance: Delivers consistent, sharp results from portraits to distant subjects—an ideal all‑around telephoto zoom.

Q&A

Q: What type of lens is this?
A: A professional‑grade super‑telephoto zoom lens in Canon’s L‑series lineup.

Q: What’s the focal range and aperture?
A: 100–400 mm with a variable f/4.5‑5.6 aperture — versatile for distant subjects.

Q: Which cameras is it compatible with?
A: Designed for Canon EF‑mount DSLR cameras (full‑frame and APS‑C). On APS‑C bodies it gives ~160–640 mm equivalent reach.

Q: How’s the autofocus performance?
A: Fast, accurate, and quiet USM autofocus for stills and video.

Q: Does it have image stabilization?
A: Yes — advanced Optical IS provides up to ~5 stops of shake correction.

Q: Can I use this lens for wildlife and sports?
A: Absolutely — the long reach and fast focusing make it ideal for wildlife, sports, and action photography.

Q: Is this lens compatible with teleconverters?
A: Yes — works with Canon 1.4× and 2× extenders for extra reach (with some aperture impact).

Q: How’s the build quality?
A: Rugged, professional L‑series weather‑sealed construction for tough conditions.

Q: What’s the closest focusing distance?
A: About ~0.98 m (3.2 ft) at 100 mm, excellent for close details at long range.

Q: Who is this lens best for?
A: Enthusiast and professional photographers shooting wildlife, birds, sports, aviation, and outdoor action.

Maintenance Tips

• Clean front and rear elements gently with microfiber cloth + air blower
• Always use front & rear lens caps to prevent dust and scratches
• Store in a dry box or padded bag with silica gel to avoid fungus
• Avoid touching glass elements directly
• Use a UV or clear filter for added protection
• Keep away from extreme heat, humidity, and sudden temperature changes
• Wipe lens mount contacts occasionally to maintain AF and IS communication
• Test Image Stabilization (IS) and focus for smooth operation
• Use sturdy tripod or monopod to reduce strain on lens and camera
• Carry in padded compartments during travel and inspect periodically