HJ18ex28B IASE A Overview
The HJ18ex28B IASE A is super telephoto portable EFP lens specifically designed for concerts, special events, documentaries, natural history and other challenging location productions.
HJ18ex28B Product Datasheet
Take a more detailed look into the Canon HJ18ex28B IASE A
- Focal length 500mm (1000mm with extender)
- Weighs only 2.576kg
- Internal focus – minimises chromatic aberrations
- Enhanced Digital Drive technology
- Ecological, robust ergonomic design
Portable super telephoto ENG/EFP lens
The HJ18ex28B IASE A provides the longest focal length in its class. With an overall length of 176.2mm and a weight of just 2.576kg it requires no mechanical support system to mount to the HD camera. Aerial shooting (using stabilized gimbals), means sports, entertainment coverage and portable HD acquisition in arduous terrain are all superbly supported by this low-weight compact lens. The HJ18ex28B IASE A can extend to 500mm focal length (and to 1000mm with the extender). It has a very impressive optical speed of F2.8 up to a focal length of 286mm.
High contrast is ensured by superb control of black reproduction – with optical and mechanical design innovations that substantially reduced flare, veiling glare, and any internal reflections. Similar attention to minimization of ghost images and other highlight-related chromatic distortions caused by strong light sources on-axis and off-axis further extend the operational contrast range of the lens.
Power Optics – 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
Crossover Technology – switchable operation between 16:9 and 4:3 aspect ratio imagery
New third-generation enhanced digital servo systems using Canon-developed 16-bit optical rotary encoder devices introduce new 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. A 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
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
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 from all components comprising the composite lens system.
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- 1:2.8 at 28-286mm
1:4.9 at 500mm
- 1:5.6 at 56-572mm
1:9.8 at 1000mm
- 19.5 ̊×11.0 ̊ at 28mm
1.10 ̊×0.60 ̊ at 500mm
- 9.8 ̊×5.5 ̊ at 56mm
0.60 ̊×0.30 ̊ at 1000mm