The Sigma USB dock for Canon mount lenses allows you to connect your Sigma lenses to your computer. This allows you to update firmware and adjust focus and stabilization settings using the free Sigma Optimization Pro software.
The lens dock is only compatible with the Sigma Art, Contemporary, and Sports line lenses featuring a Canon EF lens mount. See the table below for specific models and features supported.
The Sigma 18-35mm f/1.8 zoom lens for Canon is the fastest zoom lens available for DSLR and mirrorless cameras. Part of Sigma’s Art line, the lens is one of the best-reviewed zoom lenses for photo and video, ever. It is designed specifically for crop (APS-C) sized sensors, and will not work with larger, full frame cameras.
This ultrafast zoom is perfect for shooting indoors and at night. The wide-angle to medium focal length is well-suited for architecture and landscape shots. An HSM motor provides fast, silent autofocus for photo and video. Like all Sigma Art lenses, it is compatible with the Sigma USB Dock.
The lens has 72mm filter threads and close focuses to 11″.
Our Sigma 24-60mm f/2.8 lens is a full-frame midrange zoom with impressive f/2.8 speed and good all-around performance in an EF mount. It’s about as sharp as the 24-70 f/2.8L from Canon, but not as crisp as the updated 24-70mm f/2.8L II.
This lens has 77mm front filter threads. It close-focuses to 15 inches.
This lens and the Tokina 11-16mm f/2.8 pair nicely together, with the same maximum aperture, filter sizes, and weight, plus complimentary zoom ranges.
Wide and fast is possible with the Sigma 20mm f/1.8 lens. It’s ultra-wide on full frame cameras and medium wide on crop sensors. The f/1.8 maximum aperture is particularly useful indoors and at night. It’s also visually interesting, since you can get a wide field of view and still have a shallow depth of field.
We love this length for handheld video. It’s also about as wide as you can get without adding barrel distortion, so architecture won’t bend in the corners and scale seems emphasized but natural. The lens could almost be put in the macro category, with a close-focusing distance of about 5″ and an object magnification of 1:4.
We shot this side-by-side with Canon’s USM 20mm f/2.8, and as a video shooter’s lens, this one comes out ahead hands down. The manual focus is easy to grip and the action is smooth. Both lenses tend to darken at the corners, especially above f/4, this is less noticeable in 16:9 frames. We think the Sigma looks more cinematic. Still shooters will probably prefer the USM and Canon’s slight edge in sharpness, but for video, the extra 1 1/3 stop makes this an all-purpose prime lens.
This lens has an EF mount and 82mm front filter threads.
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