Camera Data

It’s worth checking out arenafilm who have a detailed database of filmbacks and lens combinations for various cameras.

Also dpreview have a review of sensor sizes for DSLRs.

I’ll try and keep a useful summary here.

Company Model Film Back aspect Pixels
Arri Alexa 26.136 x 14.702 mm / 1.0290 x 0.5788” (Monitoring/EVF) 16:9 3168 x 1782
Arri Alexa 23.760 x 13.365 mm / 0.9354 x 0.5262” (ProRes) 16:9 1920 x 1080
Arri Alexa 23.760 x 13.365 mm / 0.9354 x 0.5262” (RAW) 16:9 2880 x 1620
Red Epic 5120 x 2700