Digital Cinematography, 2nd Edition

Lenses 215

An internal focus cam-follower mechanism

provides the lens with a non-rotating front, perfect

for clip-on matte boxes. A generous number of

focus marks are distributed along the focus scales,

and 270° of focus rotation makes for accurate

focus pulls. The 114mm diameter front is stand-

ard across the set of lenses, which also speeds up

lens changes when working with a matte box.

Modern lens design and tight tolerances

ensure low distortion, high resolution, and excel-

lent color rendition. A 15-blade circular iris

provides a natural-looking bokeh and 270° of

focus rotation allows for extremely accurate focus

marks ...