Canon CN7x17 Cinema Servo Zoom Lens
In a nutshell
The mighty CN7 is a fantastic super 35 cinema servo zoom lens with a focal length of 17 to 120mm. Designed for 4K filming this is one of the highest quality “ENG” style lenses making it perfect for on the shoulder filming. Similar to the HJ lenses on B4 cameras the build in servo zoom allows smooth reframing whilst on shot and its size and weight allow for precise and balance operation. Fully compatible with FS, and FX cameras when used with sensor crop.
The technical lowdown
Using Canons rich heritage of optical expertise, Canon has created a lens offering outstanding quality -from image centre to image edge. The CN7x17 KAS S E1/P1 supports 4K resolution and incorporates an 11-blade diaphragm to deliver softer, more attractive out of focus areas.Thanks to an impressive 7x zoom, with focal length spanning 17mm to 120 mm, and maximum T-number of T2.95, the CN7x17 KAS S E1/P1 may be the only lens you need. A 3-group inner focus system developed for Canon lenses reduces focus breathing to an absolute minimum.It is both weatherproof and shockproof – durable enough for every shooting environment.
Standard Kit Contents
- Canon CN7 Lens (in PL or EF Mount)
- Front lens cap
- Rear lens cap
- Front Hood
- Lens Power cable (to D-Tap or 4 Pin Lemo)
- Lens support mount
- PL or EF to E mount adaptor
- 15mm bars
Cinema Servo Zoom
The CN7 employs a servo drive unit, enabling use in broadcast-style shooting environments where cine lenses are impractical. Compact and lightweight, it offers comfortable on-the-shoulder shooting with the familiar feel of a typical TV zoom lens. Focus ring rotation is 180°, balancing the accuracy required for 4K imaging with the speed needed for broadcast use. High resolution encoders mean that actions are precisely repeatable, whilst fast start-up and high-speed operation ensure you never miss a moment.For tripod-based set-ups, existing Canon demand units can be used to control zoom, focus and iris. Virtual studio use is also supported thanks to a sophisticated 16-bit encoder output.
Cine Gearing
This lens is also ideal for movie shooting. With the drive unit removed, it can be operated like a traditional cine lens. Industry-standard accessories such as follow focus units are easily attached – 0.8 and 0.5 pitch gears are incorporated into the focus ring. Re-installation of the drive unit is simple. No adjustment of gear positions is required, enabling a fluid, versatile shooting style previously unavailable with large sensor cameras.All Cinema EOS lenses are colour-matched, ensuring easy integration with other Canon cine lenses.
Standard Lens Communication
The CN7 supports multiple lens communication methods for added versatility. Canon’s EF-mount supports lens metadata and other functions such as Peripheral Illumination Correction. A 12-pin serial connection provides an interface found in broadcast environments. Cooke /i Technology is supported in the PL-mount variant, allowing capture of lens data by cameras often used in movie shooting environments.
Additional information
| Image Sensor Size | Super 35 |
|---|---|
| Aperture range | f 2.95 ~ f 22 |
| Minium focusing distance | 0.85m (2.78ft) |
| Compatible mountings | EF (/E1 variant), PL (/P1 variant) |
| Focal Length | 17 – 120mm |
| Zoom Ratio | 7x |
| Approx Weight | 2.9kg |
| Approx Size (W x H x L) | 174.2 x 125.0 x 262.9mm |
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