The HJ17ex7.7B 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 HJ17ex7.7B ITS utilized breakthrough technologies and powerful computer-aided design techniques to produce a very wide-angle HDTV lens in a modest 4.3 lb package. It is a design directly responding to the expressed creative desires of broadcasters and HD producers for a truly versatile HD 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 HJ17ex7.7B represents an excellent compromise between the demands for compactness and lightweight in a remote controlled acquisition system and the exacting performance requirements for high-end HDTV 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.
FEATURES:
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.
Zoom Ratio: 17x
Built-in Extender: 2.0x
Range of Focal Length (with Extender):
7.7~131mm
15.4~262mm (2.0x)
Maximum Relative Aperture (with Extender):
1:1.8 at 7.7~100.3mm
1:2.3 at 131mm
1:3.6 at 15.4~200.6mm (2.0x)
1:4.6 at 262mm (2.0x)
Angular Field Of View (with Extender):
4:3 Aspect Ratio (8.8 x 6.6mm):
59.5 x 46.4 degrees at 7.7mm
3.9 x 2.9 degrees at 131mm
31.9 x 24.2 degrees at 15.4mm (2.0x)
1.92 x 1.44 degrees at 262mm (2.0x)
16:9 Aspect Ratio (9.59 x 5.39mm):
63.9 x 38.6 degrees at 7.7mm
4.20 x 2.3 degrees at 131mm
34.6 x 19.9 degrees at 15.4mm (2.0x)
2.1 x 1.18 degrees at 262mm (2.0x)
Minimum Object Distance (M.O.D): 0.75m (10mm with Macro)
Object Dimensions at M.O.D. (with Extender)
4:3 Aspect Ratio (8.8 x 6.6mm)
80.4 x 60.3cm at 7.7mm
4.8 x 3.6cm at 131mm
40.2 x 30.2cm at 15.4mm (2.0x)
2.4 x 1.8cm at 262mm (2.0x)
16:9 Aspect Ratio (9.59 x 5.39mm)
87.4 x 49.2cm at 7.7mm
5.3 x 3.0cm at 131mm
43.7 x 24.6cm at 15.4mm (2.0x)
2.7 x 1.5cm at 262mm (2.0x)
Macro: Yes
SIZE:
6.67″ x 4.41″ x 8.31″
169.4 x 111.9 x 211.0 mm
CANON HJ17ex7.7B LONG
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The HJ17ex7.7B 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 HJ17ex7.7B ITS utilized breakthrough technologies and powerful computer-aided design techniques to produce a very wide-angle HDTV lens in a modest 4.3 lb package. It is a design directly responding to the expressed creative desires of broadcasters and HD producers for a truly versatile HD 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 HJ17ex7.7B represents an excellent compromise between the demands for compactness and lightweight in a remote controlled acquisition system and the exacting performance requirements for high-end HDTV 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.
FEATURES:
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.
Product Manuals
Specifications
Zoom Ratio: 17x
Built-in Extender: 2.0x
Range of Focal Length (with Extender):
7.7~131mm
15.4~262mm (2.0x)
Maximum Relative Aperture (with Extender):
1:1.8 at 7.7~100.3mm
1:2.3 at 131mm
1:3.6 at 15.4~200.6mm (2.0x)
1:4.6 at 262mm (2.0x)
Angular Field Of View (with Extender):
4:3 Aspect Ratio (8.8 x 6.6mm):
59.5 x 46.4 degrees at 7.7mm
3.9 x 2.9 degrees at 131mm
31.9 x 24.2 degrees at 15.4mm (2.0x)
1.92 x 1.44 degrees at 262mm (2.0x)
16:9 Aspect Ratio (9.59 x 5.39mm):
63.9 x 38.6 degrees at 7.7mm
4.20 x 2.3 degrees at 131mm
34.6 x 19.9 degrees at 15.4mm (2.0x)
2.1 x 1.18 degrees at 262mm (2.0x)
Minimum Object Distance (M.O.D): 0.75m (10mm with Macro)
Object Dimensions at M.O.D. (with Extender)
4:3 Aspect Ratio (8.8 x 6.6mm)
80.4 x 60.3cm at 7.7mm
4.8 x 3.6cm at 131mm
40.2 x 30.2cm at 15.4mm (2.0x)
2.4 x 1.8cm at 262mm (2.0x)
16:9 Aspect Ratio (9.59 x 5.39mm)
87.4 x 49.2cm at 7.7mm
5.3 x 3.0cm at 131mm
43.7 x 24.6cm at 15.4mm (2.0x)
2.7 x 1.5cm at 262mm (2.0x)
Macro: Yes
SIZE:
6.67″ x 4.41″ x 8.31″
169.4 x 111.9 x 211.0 mm
WEIGHT:
4.05 lbs (1.84 kg)
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