25 Aug 2015

Canon launches stunning new 4K zoom

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The impressive new CJ12ex4.3B The impressive new CJ12ex4.3B Canon/RedShark


Canon has a new unit out, the CJ12ex4.3B, a new 2/3” portable 4K zoom lens with the world’s widest focal length, an ultra, ultra wide angle 4.3mm.

Canon is in a fairly enviable position when it comes to broadcast lenses and, with the release and announcement of  two new 4K units (the second is a compact unit in development), is obviously dead set on maintaining that reputation as the industry transitions over to Ultra HD.

The CJ12ex4.3B is billed as delivering outstanding 4K image quality throughout the entire 12x optical zoom range. A built-in 2x extender helps provide even greater focal reach — meaning it goes from that exceptional 4.3mm focal length at the wide end to 104mm (52mm without) — while an increased use of fluorite and UD glass mitigates ghosting and flare. A new three group internal focus system also reduces focus breathing.

At 2.1kg it doesn’t carry any weight penalty over and above comparable HD glass and is therefore nicely positioned for the ENG / documentary market, while 3 20-pin connectors allow it to slot into existing Canon HD lens accessories and virtual systems.

A Digital Drive Unit (DDU) gives users the freedom to select repeatable zoom positions and speeds, in addition to focus and iris settings. What’s more a 16-bit absolute value encoder integrated into the DDU allows operators to start shooting with the camera’s aberration compensation function in an instant without having to hang around for any initialisation, which is just what you need in news and wildlife environments, for instant.

The company has also announced that it's working on a new compact 2/3” 4K all-purpose-zoom. As we get further details we'll pass them on. There's also a full spec sheet on the CJ12ex4.3B coming later today which we’ll put up below.

In the meantime, the press release is after the break.

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Andy Stout

Andy has spent over two decades writing about all aspects of the broadcast and film industries for a variety of high-profile industry publications on both sides of the Atlantic. During that time the industry has moved from 4:3 SD to 16:9 SD to HD and now on to 4K HDR. He's getting kind of curious to see where it goes next.

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