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Canon CN7x17 KAS EF Cine-Servo T2.95 Lens

Categories: , SKU: CN-9785B001AF

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Description

The Cine-Servo 17-120mm T2.95 with EF mount from Canon is designed to combine the functionality and form factor of a broadcast, ENG-style motorized zoom lens with the optical precision of a cinema zoom. The lens is designed for use on cinema cameras with sensors up to Super 35mm (26.2 x 13.8mm) in size and is suitable for 4K acquisition. With a detachable drive mechanism and support for rod attachment, it is designed to be equally at home whether being used by a solo camera operator or a full production team.

With a 17 to 120mm focal length, the lens features 7x zoom and has a maximum aperture of T 2.95 when set to 91mm or wider. Additionally, it features an 11 blade iris to create circular bokeh patterns as well as to reduce refraction. For ENG-style shooters the lens drive features servo motors powering zoom, focus, and iris. The lens can be connected to the camera either using a standard 12-pin connector or will communicate directly through the lens mount when attached to compatible cameras. Three 20-pin connectors below the servo housing allow many Canon and third-party zoom, focus, and iris controllers to be connected.

Broadcast-Style Shooting

Suitable for Shoulder Mounted Camera Operation

The CN7x17KAS S features the form factor and control layout of typical ENG lenses, and is designed to be friendly for a single camera operator to control while using the camera shoulder mounted. The zoom servo is controlled by rocker with the right hand and focus and iris can be operated manually with the left hand

Support for Standard Broadcast Lens Controllers

The lens is compatible with many 20-pin zoom and focus controllers, allowing the lens to be operated comfortably in a studio tripod or pedestal configuration or remotely, say while mounted on a jib or crane. Compatible controllers include the Canon FPD-400D focus control and the Canon ZSD-300D zoom control

Variable Speed Servo

High speed servo-driven zoom and iris is available for critical situations such as while filming sports or fast action. Meanwhile, slower speed settings are available for more expressive work. With this variability, the zoom duration can be set to last anywhere from 0.5 to 300 seconds

Immediate System Startup

The drive unit features a high-performance encoder so that the lens requires no initialization. This means the system can be used immediately without any delay waiting for it to boot up

Supports Virtual Image Data Output

Via three 20-pin connectors below the servo it is possible to connect an external system to collect 16-bit virtual image data

Standard Broadcast 12-Pin Camera Interface Cable

The lens features the same 12-pin camera interface for power and serial data as found on regular Canon broadcast lenses

Broadcast Lens-Style Focus Ring

In addition to servo zoom, focus, and iris another ENG-derived feature is the knurled focus ring, which is limited to a 180° rotation

Angle of View Shift Suppression

The lens features a three-group inner focus system that is designed to minimize angle of view shift (breathing) that occurs when focusing the lens to ensure stable framing even during rack focus

Flange-Back Adjustment

The flange back may be adjusted in the same manner as on broadcast lenses to simplify the transition between different camera systems with different flange focal distances

Macro Function

The zoom ring features a broadcast lens-style release allowing the lens to quickly set to macro or back again

Fully Closing Iris

The iris may be closed fully for setting camera black balance or other calibration procedures

Cinema-Style Shooting

Detachable Drive Unit

The motor unit housing the servo motors and zoom rocker may be removed for cinema style shooting where full manual control is preferred

Supports Super 35mm Image Sensors

The CN7x17KAS S provides a sufficiently large image circle to cover a Super 35mm sensor

Additional information

BRAND

CANON
MPN

CN-9785B001AF

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