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Canon CJ18ex28B

SKU: 1000006397

14x wide-angle zoom / f/1.8 max. aperture / Built-in 2x extender / Superb build quality

Dostępność 5-10 dni.
319 701,60 ‎zł 287 731,44 ‎zł 233 928,00 ‎zł

Canon CJ18EX28B

The portable CJ18ex28B is an important 4K UHD telephoto zoom lens that is part of our 2/3-inch UHDgc series. Its compact size, low weight and super-telephoto capability support the high mobility shooting often entailed in documentary, nature and many other genres of television field production. For those seeking a new lens for contemporary HDTV production – while also anticipating a future shift to 4K production – this lens enhances current HDTV optical imaging performance while potentially future-proofing for the longer term.

The 18x zoom ratio supports a focal length range of 28 – 500mm (56 – 1000mm with the built-in 2x extender). 4K resolution is maintained over this total focal range and across the 16:9 image plane. Design strategies have extended the optical dynamic range to meet contemporary HDR imaging requirements. The lens also supports the wider color gamut specified in the international standard ITU-R BT.2020.

An advanced digital drive unit deploying 16-bit encoders is fully compatible with the zoom, focus and iris controllers used with established broadcast 2/3-inch HDTV cameras. Three 20-pin connectors on the drive unit interface with these controllers (such as ZSD-300D and FPD-400D) while also providing a 16-bit interface to virtual systems. The unit empowers a variety of operational capabilities that are set up using the on-board display.

4K Optical Performance
The portable CJ18ex28B 4K UHD lens was developed using our exclusive optical design technology to achieve superb optical performance, with 4K resolving power and high contrast from the center of the screen to the edges. High index optical glass materials, each having unique dispersion characteristics, help minimize chromatic aberrations and geometric distortion. Lens element surface accuracy has been improved significantly over HDTV lenses contributing to the enhanced Modulation Transfer Function (MTF) performance required of 4K imagery. Multi-layer optical coatings combined with strategic deposition processes help ensure a deep black reproduction that is central to HDR imaging.

Minimized Chromatic Aberration
An optimized arrangement of fluorite and UD glass help minimize chromatic aberration, increasing image clarity with reduced color fringing on edges.

Reduced Ghosting
Special coatings and an internal lens barrel designed to prevent reflection result in clean black reproduction, less ghosting and flaring, sustaining high-tonality images that support HDR.

Built in 2x Extender
4K optical performance is maintained when the 2x extender is deployed.

Super-Telephoto Shooting up to 1000mm
The CJ18ex28B 4K UHD lens is equipped with an 18x optical zoom, delivering a focal length range of 28-500mm and an impressive maximum focal length of 1000mm with the built-in 2x extender. The lens also features the same compact, lightweight body as conventional “portable” HD lenses. This combination allows for dynamic shooting styles and provides the mobility required for shooting a wide variety of documentary and nature programs.

Compact and Lightweight
Weighing only 6.08 lbs. and measuring 7.0” (W) x 4.8” (H) x 10.6” (L), the portable CJ18ex28B 4K UHD lens is similar in size to our 2/3" HD lenses, while delivering 4K performance and offering the mobility demanded in the reporting and documentary fields. The lens features the optimum construction and high durability of a conventional HD lens, while offering the same shooting style as that of existing 2/3" HD lenses.

The center of gravity is close to the mount, lessening strain on the hands and elbows of the camera operator. The ergonomic form factor creates a user-friendly design, including an ergonomic grip design for a comfortable feel during operation, helping to reduce fatigue and make it easy to move the camera about. The lens is sure to satisfy with its high-level combination of excellent specifications, enhanced optical performance, and outstanding usability.

BT.2020 and HRD/WCG Support
The portable CJ18ex28B 4K UHD lens features correction data that supports BT.2020, which offers a wider color gamut than the conventional BT.709 broadcasting standard. This enables excellent color reproduction to the corners of the screen when attached to a 4K camera. Like our UHDxs series lenses, the CJ18ex28B provides optimized chromatic aberration correction based on BT.2020 correction data, enabling more lifelike high-resolution video shooting with outstanding tonality, realistic texture and depth.

HD Demand Compatibility
This feature allows for compatibility with a broadcast-use HD demand. It enables the use of the zoom and focus electrical drive system accessories (such as the ZSD-300D and FPD-400D) which are currently used by HD equipment.

Aberration Correction and Virtual Functions Enabled without Lens Initialization
Aberration correction functions increasingly been employed on 2/3" HDTV/UHDTV cameras for broadcast use. The associated data files are immediately transferred to the camera, which implements digital correction for the lens aberrations. The lens also delivers digital positional data for external virtual systems.

Advanced Virtual Operability and Precise Virtual Image Expression
The drive unit of the CJ18ex28B 4K UHD lens uses three 20-pin connectors. One of these connectors outputs 16 bit high precision lens positional data, allowing for output even while the zoom and focus servo controllers are in use. This high-performance encoder helps simplify calibration when composing virtual and live-action images, thus resulting in more accurate composites.

Features:
• 14x, 4.3-60mm wide-angle zoom
• f/1.8 maximum aperture
• Built-in 2x extender
• 16-bit digital drive unit
• Superb build quality and durability

Delivery Contents:
• CJ18ex7.6B IASE S
• Hood unit
• Lens cap
• Dust cap
• Hood cap
• Instruction manual/CD-ROM

You have a question about this product? We are here for you! Call us at +49 (0)6155 8877766 or test the product in our specialist store in 64347 Griesheim, Kirschberg 27.

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Specifications

Image Composition  
Object Image Format 2/3 Inch
Aspect Ratio 16:09
Zoom Ratio 18x
Focal Length Range 28 ~ 500mm
Focal Length Range with Extender 56 ~ 1000mm (with 2x Extender)
Angular Field of View

19.5° x 11.0° at 28 mm
1.10° x 0.62° at 500 mm

Angular Field of View with Extender 9.8° x 5.5° at 56 mm (with 2x Extender)
0.55° x 0.31° at 1000 mm (with 2x Extender)
Optical Brightness  
Maximum Relative Aperture (F-Number) 1:2.8 at 28 - 286 mm
1:4.9 at 500 mm
Maximum Relative Aperture (F-Number) with Extender 1:5.6 at 56 - 572 mm (with 2x Extender)
1:9.8 at 1000 mm (with 2x Extender)
Scene Composition  
MOD From Front of Lens 2.2 Meters (86.6 Inches)
Scene Object Dimensions at MOD 71.0 x 39.9 cm at 28 mm
4.1 x 2.3 cm at 500 mm
Scene Object Dimensions at MOD with Extender 35.5 x 20.0 cm at 56 mm (with 2x Extender)
2.1 x 1.2 cm at 1000 mm (with 2x Extender)
Physical Attributes  
Width 7.0in (177.8mm)
Height 4.8in (122.5mm)
Dimensions 10.6in (268.3mm)
Weight 6.08 lbs. (2.76 kg)
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