The J22ex7.6B ITS is wide angle of view portable
lens offered by Canon to support diverse remote
imaging applications including teleconferencing,
distance learning, and specialized broadcasting
applications. It is a member of a family of six
HD and SD remote control lenses that collectively
offer an unusually broad range of creative options.
This particular lens is intended
for producers and broadcasters having as their
foremost priority wide angle shooting with a lightweight
mobile production lens-camera system that offers
exceptional HDTV performance.
The J22ex7.6B ITS utilized breakthrough
technologies and powerful computer-aided design
techniques to produce a very wide-angle SDTV lens
in a modest 4.3 lb package. It is a design directly
responding to the expressed creative desires of
producers for a truly versatile acquisition system.
The optional flexibility of Canon’s Crossover
aspect ratio switching system makes it a superb
performer for both 16:9 widescreen and standard
4:3 image formats.
The J22ex7.6B represents a magnificent compromise
between the demands for mobility in a handheld
SDTV camera system and the exacting performance
requirements for high-end SDTV production. The
requisite optimization strategies to achieve this
balance sought a high MTF over the entire image
plane, minimization of chromatic aberrations,
and maximization of image contrast. Preservation
of the highest MTF at the wider angle focal lengths
(where scene detail can be particularly high)
was a special priority.
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
Crossover Technology – switchable operation
between 16:9 and 4:3 aspect ratio imagery
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
Compact digital servo drive unit is mounted to the
lens at a 12.5 degree angle for comfort and balance
Specifications
Image
Composition
J22ex7.6B ITS-RE/ME
Object
Image Format
2/3 Inch
16:9 Aspect
Ratio
Object
Image Size (Presented to Camera Imagers)
9.59 mm
(H) x 5.39 mm (V)
Zoom Ratio
22 X
Focal Length
Range
7.6------------168mm
with Extender
15.2------------336mm
Angular
Field of View :
At 7.6mm
64.6°
(H) x 39.1° (V)
At 168mm
3.3°
(H) x 1.8° (V)
With Extender
:
At 15.2mm
35.1°
(H) x 20.1° (V)
At 336mm
1.6°
(H) x 0.9° (V)
Scene
Composition J22ex7.6B ITS-RE/ME
Minimum
Object Distance
(MOD) (From Front of Lens)