Optical Design
The optics are designed to give maximum performance at full aperture with superior control of flare, distortion and spherical aberration.
Aperture
Cooke PANCHRO/i Classic FF lenses have a max aperture of T2.2, except 65mm Macro, 100mm, 135mm, 152mm.
Focus Movement
Our Academy Award® winning cam-style focus movement coupled with the added benefit of a large lens barrel diameter, allows for an increased number of focus markings, particularly at close focus. A four-point contact bearing provides a smooth positive backlash-free movement.
Focus Scaling
Ergonomically designed Focus scale marks in which the Focus Scale Changes from conventional Focus scale distance marks to Magnification Ratio marks, through the movement. At the factory, every focus mark is individually calibrated and engraved on both sides of the focus barrel.
/i Technology
Accessible via cable connector near the lens mount and contacts in mount that sync with /i compatible cameras and accessories.
Weight/Size Ratio
The lenses are designed for all shooting applications, including handheld and Steadicam, providing comfortable balance ratio with the latest compact cameras.
Compatibility
All Cooke PANCHRO/i Classic FF lenses have a common fixed front diameter of 110mm, with a focus drive gear of 140T x 0.8 mod and an iris drive gear of 134T x 0.8.
Colour Balance
All PANCHRO/i Classic prime lenses are colour balanced, colormatched and compatible with other Cooke Lenses
Iris
A nine-leaf linear module iris assembly is housed in the Cooke PANCHRO/i Classic FF series.
Camera Mounts
PL or LPL with /i Technology contact pins.