DIGISUPER 22 xs
- Internal Focus - floating optical system to better control chromatic aberrations
- switchable operation between 16:9 and 4:3 aspect ratio imagery
- Carefully sealed optics offers protection against dust, smoke, and other air-contaminants
- Ecological Design
Terms
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Service
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The Canon Online Store will accept, for return or exchange, defective or unopened merchandise purchased at the Canon Online Store, subject to the exceptions and timeframe for returns listed below: All merchandise returned to the Canon Online Store must be in the original packaging with all original items (such as manuals, cables, etc.) accompanying the merchandise and a copy of the invoice/packing slip included to be eligible for return or exchange. Shipping and handling fees from your original order will not be refunded, unless the merchandise is determined by the Canon Online Store, in its sole discretion, to be defective.
See Return Policy for complete information.
Overview
The DIGISUPER 22 xs is an innovative HDTV studio lens that offers an important choice of studio system configuration.
This XJ22x7.3BIE-D lens embodies a design that anticipates the rapidly growing popularity of portable cameras being deployed for mainstream studio application. It is intended for broadcasters and producers having as their foremost priority a high-performance but cost-effective and compact HDTV studio lens-camera package that can be supported on a modest size pedestal or sturdy tripod system. This low-weight combination is also ideal for robotic system applications.
The XJ22x7.3BIE-D utilizes computer-aided optical and mechanical design techniques to produce a compact bona-fide studio lens that directly couples to a portable production camera without the necessity of the traditional support “sled” apparatus.
ABOUT THIS LENS
The XJ22x7.3BIE-D is a high-end optical system squarely based upon classic studio lens design principles but carefully constrained to a physical size and weight commensurate with that of contemporary portable production cameras (that typically weigh in at about 15lbs). The more severe physical constraints of portable EFP/ENG design did not apply to this lens. Instead, a wide 105mm input optical port and novel new optical design has produced a high sensitivity, high contrast, and optimized uniformity of brightness across the image plane that is truly impressive for such a compact lens. Weighing in at 13.4 lbs (about twice that of a HD portable lens) the lens is still only a quarter the weight of a typical HD studio box lens.
The coordinated optimization of the MTF profile, contrast, and relative light illumination followed high-end studio design guidelines that ensure high picture sharpness over the image plane. Contrast was extended 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.
Finally, the important requirement of low geometric distortion at wide-angle settings constituted another central design imperative and an exemplary performance in this area has been achieved by Canon’s advanced three-group internal focusing system (which also minimizes alterations of chromatic aberrations during the focusing action).
Technical Specifications
Main Unit Spec
Product
Image Composition
66.7o (H) x 40.6o (V)
At 161mm
3.4o (H) x 1.9o (V)
36.4o (H) x 21.0o (V)
At 322mm
1.7o (H) x 1.0o (V)
Optical Brightness
1:2.6 at 161mm (Ramping Characteristic)
1 : 2.6 at 161mm (Ramping Characteristic)
1 : 5.2 at 322mm (Ramping Characteristic)
1:5.2 at 322mm (Ramping Characteristic)
Scene Composition
5.2 cm x 2.9 cm at 161mm
2.6 cm x 1.5 cm at 322mm