The EOS R shutter speed can be set to values between 1/8000s and 30s. Contemporary Sony mirrorless full-frame cameras do not close the shutter when powered off, and this can lead to problems with dirt on the sensor. The mechanical shutter closes if the Canon EOS R is powered off, which reduces the risk of direct sunlight damaging the sensor when not in use and helps to protect the sensor from dust and debris. The competing full-frame mirrorless Nikon Z 6 is able to capture 4K video at 30FPS using the full sensor. The Canon EOS R is able to capture 4K video at 30 FPS, but only by using a cropped portion of the full sensor, making wide-angle views harder to achieve. The EOS R also offers "Focus Guide" which adds a box overlay to the viewfinder image with indicator lines which help to zero-in the focus on the selected focus point, turning green when focus is achieved. To assist with manual focus, the Canon EOS R offers Focus Peaking which overlays dots on the viewfinder image to show which points of the scene are in sharp focus. Manual focus Ĭanon RF lenses use a focus-by-wire system and this allows the Canon EOS R to be configured to alter the direction and rate of focus change when turning the focusing ring on a Canon RF lens, and also to show a focus distance scale in the viewfinder while using an RF lens. The autofocus system on the EOS R is able to focus at light levels down to -6 EV when using an f/1.2 lens and the central AF point. If the person is too far away, "Eye Detection AF" instead focuses on the face as a whole, though firmware release version 1.4 increased the effective distance by a factor of about three. Īlongside manual focus point selection, the EOS R also offers "Eye Detection AF" which finds human faces within the scene and selects an eye as the focus point, keeping track of it as the person moves around the frame. The camera supports up to 5,655 manually selectable autofocus points, within a focus area which covers approximately 100% of the height and 88% of the width of the image area when shooting still images, though this area is reduced to 80% by 80% for some old EF lenses and extender combinations. Ī live histogram can be used when "exposure simulation" mode is enabled, and the histogram can be displayed as an overall brightness graph, or as RGB graphs. The EOS R includes a two-axis ( roll and pitch) electronic level display which can optionally be overlaid into the viewfinder or LCD displays, but is not available when using face or eye detection mode, nor during movie shooting mode. The Canon EOS R does not feature a joystick, but the touchscreen can be used in "Touch and Drag AF" mode to move the autofocus point. In addition to the EVF, a 3.15-inch LCD touchscreen and a dot-matrix LCD information panel are available. The EVF uses an OLED screen with 3.69 million dots, offering a 100% view of the sensor image. This dynamic range is considered good, but is lower than contemporary rivals, such as the Nikon Z 7 which can achieve a dynamic range of 14.6EV at ISO 32 and was announced just a couple of weeks before the EOS R. The sensor is able to achieve a dynamic range of 13.5EV at ISO 50. ISO sensitivity can be set to values between 100 and 40,000 by default, but the EOS R can be configured to expand the permitted range down to 50 and up to 51,200 or even 102,400. The Canon EOS R uses a full-frame (36×24mm) CMOS sensor, which can produce a still image of up to 6720×4480 pixels. Using an EF-EOS R mount adapter, the EOS R can accept all Canon EF and EF-S lenses. The EOS R was Canon's first full-frame mirrorless camera, and introduced the new EOS R system and the RF lens mount. The "R" in EOS R comes from the first letter of "Reimagine optical excellence", Canon's development concept for both the EOS R system as a whole, and also for this EOS R camera which launched the new system. The Canon EOS R is a 30.3 megapixel full-frame mirrorless interchangeable-lens camera launched by Canon in October 2018.
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