To go along with their new 7D Mark II DSLR, Canon has announced a trio of new lenses includings Diffractive Optics 400m, Standard Zoom With STM for Full-frame Cameras, and Extremely Compact 24mm for APS-C.

The EF 400mm f/4 DO IS II USM, EF 24-105mm f/3.5-5.6 IS STM, and the EF-S 24mm f/2.8 IS STM feature image stabilization and are a welcome addition to Canon's extensive lineup.

Canon EF 400mm f/4 DO IS II USM Lens

The Canon EF 400mm f/4 DO IS II USM lens delivers brilliant high-speed performance for professionals with minimal glare and superb image quality. Taking advantage of the best in lens technology, it features gapless dual-layer diffractive optical elements for improved diffraction efficiency with reduced flare. These elements are arranged with a large-diameter ground aspheric lens and a UD lens for a new level of sharpness and clarity. New coatings help to reduce ghosting, ensure excellent color balance and reduce fingerprints on the front and rear of the lens.

Professional L-series dust- and water-resistant construction is complemented by impressive performance: a 3 mode Image Stabilization system offers up to four stops of compensation and can even prevent operational errors when the camera is mounted on a tripod. AF stop buttons placed on the front of the lens can automatically stop focusing at any time; full time manual focus ensures complete control no matter the AF mode, and a Power Focus (PF) mode makes for smooth focus transitions when shooting movies. The EF 400mm f/4 DO IS II USM focuses down to 10.8 ft. (3.3 meters), has a 9-blade aperture for pleasing, soft, out-of-focus areas, and is constructed with lead-free glass.

Specifications Focal Length & Maximum Aperture: 400mm 1:4 Lens Construction: 18 elements in 12 groups Diagonal Angle of View: 6°10' Focus Adjustment: Inner focusing system with USM Closest Focusing Distance: 10.83 ft. / 3.3m Filter Size: 52mm drop-in Max Diameter x Length, Weight: Approx. 5.04 x 9.16 in. / 128 x 232.7 mm, Approx. 74.1 oz. / 2100 g

Canon EF 24-105mm f/3.5-5.6 IS STM

The Canon EF 24–105mm f/3.5–5.6 IS STM lens is the first Canon EF standard zoom lens for full-frame sensor cameras to include a lead screw-type stepping motor (STM) for smooth and quiet AF and tracking while shooting movies or still images. It offers top-notch image quality thanks to two aspheric lenses and a UD lens for sharpness and clarity; optimized lens placement and advanced coatings that reduce ghosting and flare while delivering remarkable color balance; and a 7-blade circular aperture diaphragm that creates gorgeous, soft backgrounds. The lens is compact, has an advanced image stabilization system for up to four stops of compensation, and offers full time manual focus.

With full-frame compatibility, outstanding STM AF performance, and covering a popular zoom range, the EF 24–105mm f/3.5–5.6 IS STM is an excellent choice.

Specifications Focal Length & Maximum Aperture: 24–105mm 1:3.5–5.6 Lens Construction: 17 elements in 13 groups Diagonal Angle of View: 84° – 23° 20' Focus Adjustment: Inner focusing system Closest Focusing Distance: 1.31 ft. / 0.4m Filter Size: 77mm diameter Max Diameter x Length, Weight: Approx. 3.3 x 4.1 in. / 83.4 x 104 mm, Approx. 18.52 oz. / 52

Canon EF-S 24mm f/2.8 IS STM Lens

Incredibly lightweight, the Canon EF-S 24mm f/2.8 STM is a fast and versatile lens with advanced AF and superior optics. With a 35mm equivalent focal length of 38mm, it's appropriate for a variety of purposes. The lens features optimized lens element placement and includes an aspheric element for high image quality from the center of the composition to the corners, and has specialized coatings on the lens elements to reduce ghosting and flare. To ensure excellent color balance, a 7-blade circular aperture provides superb out-of-focus detail.

The EF-S 24mm f/2.8 STM excels during movie shooting thanks to its STM motor that enables silent and smooth focus tracking (on EOS cameras with Movie Servo AF), plus a micro-stepping drive that keeps aperture changes quiet. The lens also offers full-time manual focus, manual AF adjustment (one-shot AF), and can focus down to a minimum distance of 0.5 ft. (0.16m). Delivering optical brilliance in a lightweight and unobtrusive construction, the EF-S 24mm f/2.8 STM is a great fixed-optical length lens for photographers looking to add a travel-friendly option to their collection.

Specifications Focal Length & Maximum Aperture: 24mm 1:2.8 Lens Construction: 6 elements in 5 groups Diagonal Angle of View: 59°10' Focus Adjustment: Full lens extension Closest Focusing Distance: 0.52 ft. / 0.16 m Filter Size: 52mm Max Diameter x Length, Weight: Approx. 2.7 x 0.9 in. / 68.2 x 22.8 mm, Approx. 4.4 oz. / 125 g

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