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Canon: new 4K projector exceeds DCI standard

Canon’s projector lineup has a new model, the REALiS 4K501ST Pro AV LCOS, with a resolution of of 4096 x 2400 and 5000 lumens.

Canon: new 4K projector exceeds DCI standard

The new projector from Canon offers compact size associated with high resolution, the ideal combination for those who require image quality but may have limited space.  The price, though, is high: $58,990.

The Canon REALiS 4K501ST Pro AV LCOS projector incorporates all the features of the REALiS 4K500ST, as well as an enhanced video interface that offers two HDMI version 2.0 inputs with HDCP 2.2 support. One of the aspects that is capital on the projector is the resolution. At 4096 x 2400, the REALiS 4K501ST projector’s native 4K resolution is made up of more than 9.8 million pixels – higher than the Digital Cinema Initiative (DCI) standard for 4K cinema (4096 x 2160) and more than QFHD (3840 x 2160), the resolution standard for 4K TV. This higher resolution can be a critical factor for those applications like simulation and training and design and engineering, which may require larger vertical display areas.

“4K projection display is becoming ever more popular and by offering enhanced connectivity, Canon will be able to reach new markets interested in 4K projection technology,” said Yuichi Ishizuka, president and chief operating officer, Canon U.S.A., Inc. “This projector’s highly detailed 4K resolution, LCOS Technology, advanced Canon optical and image processing technologies, and versatile performance help empower users to bring content to life.”

Canon: new 4K projector exceeds DCI standard

The 4K501ST projector comes equipped with a specially designed Genuine Canon 4K short focus wide zoom lens and throw ratio of 1.0 – 1.3:1, allowing it to project a 10-foot wide image from an approximate distance of only 10 feet. This projection lens possesses advanced spherical focus capabilities derived from Canon’s L-Series EF camera lenses which is distinguished by a bold red ring around the outer barrel. The lens delivers superb performance due to such sophisticated Canon optical technologies as ultra-low dispersion (UD) glass, aspherical lens elements and super spectra multi lens coatings. The brilliance of this lens is what also drives the Marginal Focus feature and its capability to help ensure content projected on the peripheral portions of domed surfaces remains in focus.

The projector is the newest member of the REALiS Projector series which all feature Canon’s LCOS (Liquid Crystal on Silicon) Technology with AISYS-enhancement. This advanced technology, which is achieved by Canon’s proprietary AISYS (Aspectual Illumination System) Optical Engine maximizing the performance of three LCOS panels, is renowned for delivering virtually seamless images with outstanding color reproduction, and low-latency playback for improved display of video content. This unique engine is critical in helping to ensure the 4K501ST projector delivers an ideal combination of both brightness (up to 5000 lumens) and contrast ratio (up to 3000:1), while also helping the projector maintain a small form factor – a very important issue for applications with limited spacing, and those that may require an upgrade of an existing lower resolution unit of similar size.

The 4K501ST projector is also able to deliver a virtually consistent level of brightness throughout its zoom range thanks to the combination of the AISYS Optical Engine and the advanced optical technologies found within the projector’s Genuine Canon 4K lens.

Canon: new 4K projector exceeds DCI standard

The REALiS 4K501ST projector also integrates powerful dual image processing engines that execute such complex tasks as smooth reproduction of uncompressed 4K video at up to 60 fps, and two upscaling technologies, BiCubic and Canon’s proprietary Sharp Trace which detects contours of an image in a diagonal direction and performs interpolation, to help optimize 2K video and other non-native 4K resolution content.

In terms of conectivity, the Canon REALiS 4K501ST projector includes two HDMI (version 2.0) and four DVI inputs supporting single, stripe and cross configurations for 4K, 2K or HD video playback. This model also supports PJLink which makes it possible to control and monitor the projector over a network, making it easier than ever to observe lamp hours, usage and more. For even more control, the REALiS 4K501ST projector is a Crestron Connected device and support AMX Device Discovery.

Advanced image adjustments and system settings on the REALiS 4K501ST also include the following optional features:

  • Dynamic Gamma: analyzes individual areas of an image for specific, independent contrast adjustment so light and dark areas do not appear over- or underexposed.
  • Memory Color Correction: enhances skin tones and other color features for rich, vivid results that look striking to the human eye.
  • Motion Blur Reduction: offers three different modes (Strong, Low and Off) for improved visibility when video content movement is fast.
  • Ease of Installation and Maintenance: the small form factor and weight (39.6 pounds) of the Canon REALiS 4K501ST projector allows this model to be installed in a wide range of applications and environments. Motorized Lens Shift, Zoom and Focus, 360-degree Vertical Installation, 4-Point Keystone Correction and a variety of other advanced professional calibration settings provide further installation versatility, including:
    Built-in Edge Blending: enables the projection of one seamless, large image from multiple projectors without the need of special software.
    Advanced Registration: allows independent position adjustment of the three primary colors (RGB) with high accuracy (0.1 Pixel) ultimately helping to reduce blurred colors or lines often projected at the edge of an image.

The Canon REALiS 4K501ST projector also offers six different pre-set image modes, as well as three customizable image modes, to help optimize quality based on content type and projection environment. The Canon REALiS 4K501ST Pro AV LCOS Projector is scheduled to be available through authorized Canon dealers by October.


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Journalist, writer and photographer since 1979, both print and online, with a vast experience in the fields of photography, software, hardware, web, aviation, History, video games, technology, having published content in almost all Portuguese newspapers…

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