Canon 400mm f2.8L IS II - 1900

Canon 400mm f2.8L IS II - 1900

What our Experts Think

• Professional‑grade super‑telephoto prime with a fast f/2.8 aperture—ideal for sports, wildlife, and action shooting.
• Superb image quality and contrast with precision fluorite elements and advanced coatings to reduce aberrations and flare.
• Up to ~4 stops of Image Stabilization helps deliver sharper handheld shots at long distances.
• Fast, accurate ring‑type USM autofocus with full‑time manual focus override for confident subject tracking.
• Magnesium alloy and titanium construction makes it lighter than predecessors while staying rugged and weather‑sealed.
• Excellent long‑reach performance with natural background separation thanks to wide aperture.
• Heavy and large lens—requires good support (monopod/tripod) for extended use.
• Premium price and professional niche—designed for shooters who demand top performance under pressure.

Q&A

Q1: What kind of lens is the Canon EF 400 mm f/2.8L IS II USM?
A: A professional‑grade super‑telephoto prime lens for Canon EF‑mount full‑frame DSLRs, designed for serious wildlife, sports, and action photography.

Q2: What focal length and aperture does it offer?
A: Fixed 400 mm focal length with a bright f/2.8 maximum aperture, ideal for long‑distance reach and subject isolation.

Q3: What are the optical highlights?
A: Uses high‑performance fluorite elements and Sub‑Wavelength Structure coatings for sharp images, reduced chromatic aberration, and minimal flare.

Q4: Does it include image stabilization?
A: Yes — built‑in Image Stabilization (IS) offers up to four stops of shake reduction, helping steady handheld shots.

Q5: How is autofocus performance?
A: Fast, accurate ring‑type Ultrasonic Motor (USM) autofocus with full‑time manual override and focus limit options.

Q6: What is the build quality like?
A: Rugged L‑series construction with weather sealing, magnesium alloy and titanium parts for durability in tough conditions.

Q7: How heavy and large is the lens?
A: It weighs about 3.85 kg (8.5 lb) and measures roughly 343 mm long by 163 mm diameter — substantial but optimized for performance.

Q8: What is the close‑focus capability?
A: Minimum focus distance is approx 2.7 m with ~0.17× magnification — suited for distant subjects rather than macro work.

Maintenance Tips

• Clean optics carefully: Use a blower and microfiber cloth; avoid touching glass directly.
• Protect lens elements: Always use front/rear caps, UV/filter, and lens hood to prevent scratches, dust, and flare.
• Store safely: Keep in a dry, padded case with silica gel to prevent moisture and fungus.
• Handle focus, zoom & IS gently: Operate rings smoothly; never force any mechanism.
• Avoid extreme conditions: Protect from rain, dust, heat, and humidity.
• Regular inspection: Check for dust, mechanical wear, and IS performance.
• Transport securely: Use the tripod collar and dedicated case for safe handling of this heavy telephoto lens.