The KH21ex5.7 IRSE is a 1/2" portable telephoto lens with a built-in 2x extender that provides great optical performance and value.
- Focal range 5.7~120mm (240mm with Extender)
- MOD 0.8M (10mm with Macro)
- Built-in 2x extender
- Enhanced Digital Drive
- Ecological, robust, ergonomic design
Examina con más detalle Canon KH21ex5.7 IRSE
Telephoto 1/2" portable HD lens
The new KH21ex5.7 IRSE is a1/2" portable HD telephoto lens specifically designed to support a range of corporate and business industrial applications.
The KH21ex5.7 achieves a remarkable lens offering with focal lengths of up to 120mm (or 240mm with extender) and a wide-angle of almost 63 degrees horizontal. Combined with an exceptionally high sensitivity (F1.4 maximum aperture) this lens can encompass an unusually broad range of shooting situations, and offers excellent operational capabilities at a very affordable price in a compact package weighing 1.79kg.
The lens has high MTF over the entire image plane, minimization of chromatic aberrations, and maximization of image contrast. Relative light distribution is optimized for the more open aperture settings and uniformity of brightness across the image plane combined with the high contrast and excellent picture sharpness produces vividly clear HD pictures. Contrast is extended - flare, veiling glare, and any internal reflections have been substantially reduced. It has tight control of the geometric distortion at wide-angle settings and spectral transmittance characteristic adheres to HDTV colorimetric standards.
Newly developed optical materials combined with the very latest lens element design innovations and multilayer coatings - that produce an unsurpassed pristine imaging system for the most discerning production team.
A Canon design innovation that uses a floating optical system to better control chromatic aberrations
Enhanced Digital Drive technology
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
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