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  • CANON HJ21EX7.5B IASE Canon HJ21ex7.5B IASE 2/3" B4 Broadcast Zoom Lens

Canon HJ21ex7.5B IASE 2/3" B4 Broadcast Zoom Lens


HD Tele zoom lens w/2x ext, li

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Cat no. HJ21EX7.5B IASE
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Canon HJ21ex7.5B IASE A
Long lens with minimum zoom effect of focus and superb optical performance

The HJ21ex7.5B IASE A has wildest field of view among the standard telephoto lenses. Combined with minimum zoom effect of focus it is is particularly suitable for dramas and documentaries.

  • Minimum zoom effect of focus
  • Power Optics – superb imagery
  • Internal focus – minimises chromatic aberrations
  • Enhanced Digital Drive technology
  • Ecological, robust ergonomic design
Long portable EFP lens
The HJ21ex7.5B IASE A is a production portable lens having the widest field of view among the standard telephoto series of lenses. Its relatively large input section includes innovative optical compensation to reduce focus breathing to an extremely low level. It is intended for producers and broadcasters having as their foremost priority a long focal length capability, wide-angle field of view, and exceptional optical performance. This has been achieved in a modest 2.69kg overall package.

An established track record, makes the HJ21ex7.5B IASE A the long lens of preference in a wide variety of drama and reality television productions. Combining a 21x zoom range with generous wide-angle of 65.2 degree horizontal (for the 16:9 aspect ratio) this lens has proven to be a superb workhorse that can address a wide range of field production projects.

Optical Technologies
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

Digital Technologies
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

Mechanical Technologies
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

Mount Bayonet
Image Format 2/3" CCD, 16:9/4:3
Focal Length 7.5-158mm (21x Zoom)
15-316mm (2x Extender)
Aperture Without Extender
f/1.9 at 7.5-116mm
f/2.6 at 158mm

With Extender
f/3.8 at 15-232mm
f/5.2 at 316mm
Iris Type Manual
Focus Type Servo
Horizontal View Angle Without Extender
65.2° at 3.5mm
3.5° at 130mm

With Extender
35.5° at 15mm
1.7° at 316mm
Minimum Object Distance (M.O.D.) 2.8' (0.9 m)
Macro Standard
Dimensions (WxHxL) 6.9 x 4.8 x 10.2" (17.5 x 12.3 x 26cm)
Weight 5.8 lbs (2.6kg)
Packaging Info
Package Weight 12.4 lb
Box Dimensions (LxWxH) 20.75 x 13.0 x 12.25"