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Canon has recently unveiled the Canon RF 10-20mm f/4 L IS STM Lens, which is designed for full-frame Canon mirrorless cameras. This lens offers a focal length that is not commonly seen, making it an intriguing addition for photographers. With its compact and well-balanced design, this lens is particularly suitable for landscape, interior, architecture, travel, and photojournalism photographers.

Key Features of the Canon RF 10-20mm f/4 L IS STM Lens:

- Designed specifically for Canon full-frame mirrorless cameras

- Covers an ultra-wide focal length of 10-20mm

- Features a fixed f/4 aperture

- Provides a minimum focusing distance of 9.8 inches (0.25m)

- Equipped with Canon's leadscrew-type stepping motor for smooth and quiet autofocus

- Offers five stops of optical image stabilization (six stops when paired with EOS R series cameras with IBIS)

- Includes a rear slot for pre-cut gel filters

What's New About the Canon 10-20mm Lens?

The most noteworthy feature of this lens is its ultra-wide focal length. It offers the widest focal length ever seen on a full-frame lens for Canon mirrorless cameras, which opens up new creative opportunities for both photography and videography.

The 10mm range allows you to capture more in your scene than ever before, making it ideal for shooting landscapes, cityscapes, astrophotography, and even photojournalism. Moreover, the fixed f/4 aperture ensures that the lens remains compact while still allowing ample light intake and the creation of pleasing bokeh when shooting wide open.

The compact size and lightweight nature of this lens make it particularly appealing to travel photographers. By mounting this lens on your full-frame Canon mirrorless body, you can save space in your suitcase and avoid carrying heavy photography equipment.

Canon has employed a leadscrew-type stepping motor focus drive in this lens, resulting in smooth and quiet autofocus operation. This feature is especially beneficial for videographers who appreciate seamless focus control, especially when combined with the unique focal length of the lens.

In addition to its autofocus capabilities, this lens delivers excellent image quality. It is equipped with one super UD lens, three UD lenses, three aspherical lenses with Subwavelength structure coating, and Air Sphere Coating to reduce ghosting. As a result, the optics of this lens are truly exceptional.

To address the challenge of using lens filters with ultra-wide lenses, Canon has implemented a rear slot behind the lens. This slot allows you to insert pre-cut gel filters, enabling you to achieve your desired creative effects. These filters are positioned in front of the camera's sensor and behind the lens, and they can be easily installed and removed by removing the lens from the camera.

Finally, the lens offers a minimum focusing distance of 9.8 inches (or 0.25m). This allows photographers to get up close to their subjects, providing them with unique creative opportunities that are hard to find in other lenses on the market. When shooting subjects up-close with this lens, you can expect to capture images with a distinctive look. The maximum magnification of the new Canon 10-20mm f/4 lens is 0.12x.