The DIGISUPER 86AF long-field lens features powerful Auto Focus technology and superior Image Stabilisation. It achieves exact focus at extreme telephoto distances, capturing HDTV in superb detail.
- Autofocus technology
- Power optics
- Internal focus
- Advanced Image Stabilizer
- Precision digital servo system
- Constant Angle Focusing System; 32-bit CPU
- Robust ergonomic design
- Ecological design
- Crossover technology options; 4-position turret
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Advanced Autofocus technology
Canon's Advanced Autofocus technology keeps images in focus so camera operators can concentrate on the shot. It employs a TTL-Secondary Image Registration Phase-detection system, originally developed for single-lens reflex still cameras, to ensure both high-accuracy and a high tracking capability. Two autofocus operating modes are available as well as a choice of three positions of the AF frame in the viewfinder.
Advanced materials (including a high index ultra low dispersion material) combined with contemporary optical design and multilayer coatings produce an unsurpassed imaging system, for pristine results.
Internal Focus uses a floating optical system to control chromatic aberrations. It allows operators to achieve wide-angle with reduced distortion and minimises variation in centre of gravity while focusing.
Optical Shift Image Stabilizer
A second generation, built-in Optical Shift Image Stabilizer system (Shift-IS) counteracts shake, ensuring smooth, sharp images in all situations, whether at telephoto extremes or shooting high-speed objects. Includes separate horizontal and vertical control with high/low sensitivity settings.
Precision digital servo system
A digital servo system uses Canon-developed 16-bit optical rotary encoder devices to ensure precision control and repeatability of zoom and focus settings. The system allows for digital interface to Robotic and Virtual studio systems. 10-bit Iris Compatibility ensures high-resolution iris control.
Constant Angle Focusing System (CAFS)
CAFS uses a 32-bit CPU to eliminate focus "breathing". It calculates focus changes and synchronises the zoom to counteract picture size/angle of view changes when focusing.
Robust ergonomic design
The lens is ergonomically designed to eliminate centre-of-gravity variations with focus movement
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