is the headquarters for South & Southeast Asia driving sales, marketing and service strategies. The lens has a rear gelatin filter holder for those who wants to explore more creative expressions through the use of different filters.Ĭanon is a global leader in photographic and digital imaging solutions. On top of the RF lens’ control ring for exposure control, a new function button can be assigned as a convenient shortcut for various functions and is easily accessible with the left thumb. It also newly adopts the lens position sensor used in Nano USM lenses, which, when combined with the lead-screw type STM, shortens startup time so users can start shooting quickly from power-on.Īs with the esteemed L-series lenses, the RF10-20mm f/4L IS STM boasts a sturdy and durable design, complete with fluorine coating and dust- and drip-resistance quality. Performance is on par, if not better, than the EF11-24mm f/4L USM. This ensures swift focusing during still photography, along with high-precision, smooth and quiet AF drive during video recording. The lens focusing system, including the STM motor and focusing lens, is designed to optimise AF performance. This results in outstanding image quality that is on par, if not better than that of the EF11-24mm f/4L USM’s stellar reputation. This works with the optimised lens configuration and in-camera correction to control distortion and chromatic aberration throughout the entire zoom range. The RF10-20mm f/4L IS STM additionally supports the new Peripheral Coordinated Control 2, which effectively compensates the peripheral blurring that tends to occur with ultra-wide-angle lenses. Optical IS also works in tandem with Movie Digital IS to achieve image stabilisation during video shooting, ensuring smooth handheld footage even while walking. The RF10-20mm f/4L IS STM is Canon’s first ultra-wide-angle zoom lens with a focal length under 13 mm to be equipped with the Optical Image Stabilizer (Optical IS), users can now take long exposures hand-hand with up to 5 shutter stops’ of image stabilisation (6 stops through Coordinated Control IS with compatible cameras). Outstanding Image Quality All the Way to the Edges Its portability also makes it ideal for handheld shooting and use with a gimbal. At approximately 570 g, it shaves over 600 g off the EF11-24mm f/4L USM, even with its additional Optical IS unit, and is of a similar size to the existing f/4L trinity lenses. Going wider while maintaining maximum aperture and performance traditionally meant a heavier lens, but the RF10-20mm f/4L IS STM goes against this with a dramatic weight reduction. Paired with APS-C EOS R cameras, the lens continues to be an ultra-wide-angle lens, capturing a field of view equivalent to 16 to 32 mm on a full-frame lens. This makes the ultra-wide-angle RF10-20mm f/4L IS STM an asset for expanding creative expression. At the same time, the zoom capability allows the flexibility to frame the scene tighter. With the unique perspective effect, which exaggerates relative distances, objects near the lens look bigger and more impressive, while vast spaces and scenes look even more spacious and unending. At a focal length of 10 mm, the area covered is nearly twice that at 14 mm, and 1.4x that at 12 mm, which significantly increases possibilities especially when shooting large subjects in tight spaces. The wider the focal length, the bigger the difference every 1 mm makes.
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