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Canon’s HD-EC HJ21x7.5B KLL-SC is totally new and utilizes our exclusive
Power Optical System featuring the X-Element, Hi-UD (High Index, Ultra Low
Dispersion) glass and Flourite which contribute to the lens’ outstanding
overall optical performance. In addition, the HJ21 has up to 3 times less
focus breathing than any other comparable lens and with a maximum relative
aperture (T Stop) of 2.1 the lens is faster than ever and the best in the
electronic cinematography field.
All HD-EC lenses have traditional film style feel and operation. Zoom, focus
and iris indications are engraved with dual large luminous scales while gear
rings are compatible with studio focus rigs, manual fluid zoom drives and
motorized control systems. All distance markings are measured in feet.
HD-EC Focal Length Comparison to 35mm Academy and SUPER
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