Canon EF 100-400mm f/4.5-5.6 L IS II USM Lens
Introduction
The Canon EF 100-400mm f/4.5-5.6 L IS II USM is a professional-grade telephoto zoom lens designed for sports, wildlife, and action photography. It delivers superior optical performance and versatility.
Key Features
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Focal Length: 100–400mm, ideal for distant subjects.
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Aperture: f/4.5–5.6, balancing reach and portability.
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Image Stabilization: 4-stop IS system for sharp handheld shots.
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Autofocus: Ring-type USM motor ensures fast, quiet, and accurate focusing.
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Build Quality: Weather-sealed L-series construction for durability.
Optical Performance
The lens incorporates advanced optics, including fluorite and Super UD elements, which minimize chromatic aberrations and deliver excellent sharpness across the zoom range. Its Air Sphere Coating reduces flare and ghosting, ensuring high-contrast images even in challenging light.
Handling and Design
With a rotating zoom ring replacing the push-pull design of its predecessor, the lens offers smoother and more precise control. The tripod collar is redesigned for ease of use, and the lens remains relatively lightweight for its class, making it practical for fieldwork.
Applications
This lens is widely favored by professional and enthusiast photographers for birding, wildlife safaris, sports events, and even aviation photography. Its versatility makes it a reliable choice for capturing fast-moving subjects at long distances.
Conclusion
The Canon EF 100-400mm f/4.5-5.6 L IS II USM lens combines reach, image quality, and durability in a single package. Whether you are photographing wildlife or sports, it remains one of the most dependable telephoto zooms in Canon’s lineup.
Canon EF 100-400mm F/4.5-5.6L IS II USM Camera Lens Specs
| Focal Length |
100 to 400mm |
| Maximum Aperture |
f/4.5 to 5.6 |
| Minimum Aperture |
f/32 to 38 |
| Lens Mount |
Canon EF |
| Format Compatibility |
Full-Frame |
| Angle of View |
24° to 6° 10' |
| Minimum Focus Distance |
3.22' / 98 cm |
| Maximum Magnification |
0.31x |
| Optical Design |
21 Elements in 16 Groups |
| Diaphragm Blades |
9, Rounded |
| Focus Type |
Autofocus |
| Image Stabilization |
Yes |
| Tripod Collar |
Removable and Rotating |
| Filter Size |
77 mm (Front) |
| Dimensions (ø x L) |
3.7 x 7.6" / 94 x 193 mm |
| Weight |
3.61 lb / 1640 g |
