Arri Alexa Plus 2880 x 1620 çözünürlükten 1920 x 1080 Prores görüntü üretebilen bir kameradır. Optical low pass filter, CMOS sensörü, elektronik tasarımı, ergonomisi ile bir araya gelen bileşenler organik ve filme yakın görüntüler üretmek için tasarlanmıştır.
Camera Type | 35 format film-style digital camera with electronic viewfinder, integrated shoulder arch, built-in support for the ARRI Wireless Remote System (WRS), cmotion cvolution lens control system and ARRI Lens Data System (LDS). |
Sensor | 35 format ALEV III CMOS with Dual Gain Architecture (DGA) and Bayer pattern color filter array. |
Photosites | 2880 x 1620 for ARRIRAW, 2880 x 1620 down sampled to 1920 x 1080 for HD video and ProRes |
Operating Modes | Regular or High Speed mode. High Speed mode requires license purchase. Switching takes approximately 40 seconds. |
Frame Rates | ProRes 422 (Proxy), 422 (LT), 422 and 422 (HQ): 0.75 – 60 fps ProRes 422 (Proxy), 422 (LT), 422 and 422 (HQ) with High Speed license: 0.75 – 120 fps Prores 4444 with 32 GB SxS PRO cards: 0.75 – 40 fps ProRes 4444 with 64 GB SxS PRO cards, SUP 5.0 or later: 0.75 – 60 fps DNxHD 145 and 220x: 0.75 – 60 fps DNxHD 145 and 220x with High Speed license: 0.75 – 120 fps HD-SDI: 0.75 – 60 fps ARRIRAW SUP 5.0 or later: 0.75 – 60 fps |
Shutter | Electronic rolling shutter, 0.75 – 60 fps: 5.0º – 358.0º, 60 – 120 fps: 356º. Shutter angle setting precision: 1/10 degree. |
Exposure Latitude | 14 stops for all sensitivity settings from EI 160 to EI 3200, as measured with the ARRI Dynamic Range Test Chart (DRTC) |
Exposure Index | EI 160 (+5.0 / -9.0), EI 200 (+5.3 / -8.7), EI 400 (+6.3 / -7.7), EI 800 (+7.4 / -6.6), EI 1600 (+8.4 / -5.6), EI3200 (+9.4 / -4.6) Values behind the exposure index are the number of stops above and below 18% grey. These values are for Log C. Rec 709 and DCI P3 are the same except for 0.5 stops fewer in the low end at EI 160, 0.4 stops fewer in the low end at EI 200 and 0.2 stops fewer in the low end at EI 400. |