Cooke 5/i optics offer superb optical and mechanical performance, control of flare, distortion, veiling glare and spherical aberrations at full aperture. The cam-type focus mechanism allows for smooth focus adjustments. 

Specs
All T1.4.
See in the dark technology with illuminated LED focus scale
All 110mm front diameter

i/Technology consisting of focusing distance, aperture, depth-of-field, hyperfocal distance & focal length
 

Kit
Our kit comes complete with 18mm 25mm 32mm 40mm 50mm 75mm 100mm

65mm also available