Canon EF 100-400mm f/4.5-5.6L IS II USM Lens

The Canon EF100-400mm Lens is a high-performance zoom lens designed for Canon full-frame and APS-C DSLR cameras. It’s part of Canon’s professional “L” series, meaning it features superior build quality and optical performance. Positioned as a versatile option for sports and wildlife photographers, this lens’ list of attributes make it a viable telephoto zoom for a variety of shooting applications.

Here are the key features of the lens:

1. Zoom Range:

• Canon EF100-400mm Lens focal length provides a versatile telephoto range suitable for wildlife, sports, and portrait photography. On APS-C cameras, it will have an effective focal length of 160-640mm, offering even greater reach.

2. Aperture:

• The lens has a variable aperture of f/4.5-5.6, meaning the maximum aperture changes as you zoom in. The widest aperture at 100mm is f/4.5, while at 400mm, it is f/5.6.

3. Optical Image Stabilization (IS):

• The Image Stabilization system compensates for camera shake, allowing for sharper handheld shots at slower shutter speeds. It is especially helpful when shooting at the long end of the zoom range.

4. Ultra-Sonic Motor (USM):

• The lens features Ring-type USM for fast, accurate, and silent autofocus, making it ideal for both stills and video applications.

5. Weather Sealing:

• As part of the L-series, the lens is built with weather-resistant sealing, allowing you to use it in challenging conditions, such as light rain or dusty environments.

6. Optical Quality:

• The lens uses fluorite and ultra-low dispersion (UD) glass elements to reduce chromatic aberration and deliver high resolution and contrast, even at the extreme ends of the zoom range.
• Air Sphere Coating (ASC) helps reduce ghosting and flare, improving image clarity.

7. Physical Characteristics:

• The lens is relatively compact for a 100-400mm zoom lens and features a push-pull zoom mechanism. It is also equipped with a tripod collar for better stability during telephoto shots.

8. Minimum Focus Distance:

• It has a minimum focusing distance of 3.2 feet (1 meter), allowing you to capture detailed close-up shots of distant subjects.

9. Compatibility:

• This lens is fully compatible with Canon’s full-frame and APS-C cameras, and it can also be used with the Canon Extender to further extend the focal length.

Overall, the Canon EF 100-400mm f/4.5-5.6L IS II USM is highly regarded for its versatility, sharpness, and durability, making it an excellent choice for wildlife photographers, sports shooters, and those who need a long focal length lens with excellent optical performance.