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HJ18ex28B IASE A

HDTV Portable HDxs Lenses

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  • Four significant technologies converge to produce the HJ18ex28B IASE A portable HD production lens system that has been tailored to partner with today's highest performing HDTV portable cameras and camcorders:

  • Optical Technologies

    Newly developed optical materials combined with the very latest lens element design innovations and multilayer coatings - that produce an unsurpassed pristine imaging system for the most discerning production team. The e-HDxs logo identifies the deployment of these technologies in the lens.

  • Power Optics

    speaks to the combination of specialized materials, contemporary optical design, and multilayer coatings that produce the superb imagery

  • Internal Focus

    a Canon design innovation that uses a floating optical system to better control chromatic aberrations

  • Digital Technologies

    New third-generation enhanced digital servo systems using Canon-developed 16-bit optical rotary encoder devices introduce entirely new value-added creativity to handheld acquisition systems

    • Enhanced Digital Drive technology - encompasses a microcomputer driven servo control that embodies position memory and user-defined digital functionality to significantly empower the camera operator charged with creative shaping of the image presented to the camera sensors

    • 16-bit rotary encoder for aperture control reports to the associated camera Iris control system (10-bit compatibility)

    • Maximum Zoom speed is 0.5 seconds and Focus is 1.5 seconds

    • Built-in Iris, Zoom, and Focus motors

  • Mechanical Technologies

    Ergonomic mechanical design that produced this HD lens having the same size and weight as its SDTV predecessor

    • Compact digital servo drive unit is mounted to the lens at a 12.5 degree angle for comfort and balance

    • Magnesium alloy body for light weight and exceptional durability

  • Ecological Design

    All contemporary Canon lenses avoid the use of materials and substances potentially harmful to the environment. Lead has been removed from all optics and other identified substances such as cadmium, mercury, PBBS etc from all components comprising the composite lens system.

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Product Category

EFP Lens:

Product Series

HJ18ex28B IASE

Image Composition

Object Image Format

2/3 inch

Aspect Ratio


Object Image size

9.59 mm (H) x 5.39 mm (V)

Zoom Ratio

18 X

Focal Length Range


Focal Length Range with Extender


Angular Field of View

At 28mm
19.6o (H) x 11.4o (V)
At 500mm
1.1o (H) x 0.6o (V)

Angular Field of View with Extender

At 56mm
9.9o (H) x 5.6o (V)
At 1000mm
0.6o (H) x 0.3o (V)

Optical Brightness

Maximum Relative Aperture (F-Number)

1 : 2.8 at 28~2863mm
1 : 4.9 at 500mm (Ramping Characteristic)

Maximum Relative Aperture (F-Number) with Extender

1 : 5.6 at 56~572mm
1 : 9.8 at 1000mm (Ramping Characteristic)

Scene Composition

MOD From Front of Lens

2.2 Meter (10mm with Macro)

Scene Object Dimensions at MOD

71.1 cm x 40.0 cm at 28mm
4.1 cm x 2.3 cm at 500mm

Scene Object Dimensions at MOD with Extender

35.6 cm x 20.0 cm at 56mm
2.1 cm x 1.2 cm at 1000mm

Physical Attributes


7.2in (182.8mm)


4.9in (123.7mm)


10.6in (268.3mm)


5.7lbs (2.6kg)




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† Prices and specifications subject to change without notice. Actual prices are determined by individual dealers and may vary.

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