Free cheat sheets for filmmakers
One-page references for the camera cart, the edit bay and the mix stage. Each is a print-ready PDF in US Letter and A4, with every figure checked against the spec or the manufacturer it comes from and the sources printed on the sheet.
Frame Rate & Timecode
Exact rates, drop-frame rules, frames per hour, shutter angles and slow-motion speeds.
Free PDF · 1 page
ProRes Data Rates
Mb/s and GB per hour for every ProRes flavor at HD, 2K, UHD and 4K, and hours per terabyte.
Free PDF · 1 page
Loudness Specs
Integrated loudness, tolerance and true peak for broadcast, streaming and podcasts, every row cited.
Free PDF · 1 page
Aspect Ratios & Letterbox
Letterbox and pillarbox sizes in HD and UHD, DCP containers, social frames and anamorphic ratios.
Free PDF · 1 page
Hyperfocal & Depth of Field
Hyperfocal distances in meters and feet for three formats, 16 to 135 mm, and near and far limits.
Free PDF · 3 pages
Each sheet asks only for your email address, so we can send you the links. CineMath updates are a separate, optional box. See the privacy policy. For the reasoning behind the numbers, read the guides.