Camera Type 35 format flm-style digital camera
Sensor Type ALEV III CMOS
Frame Rate 0.75 - 60 fps forward only, adjustable with 1/1000 precision.
Aperture Mode Dimensions Aspect Ratio Pixels
Recording ARRIRAW 25.344x14.256 mm / 0.9978x0.5613" 16:9 3072 x 1728
Recording HD 23.760x13.365 mm / 0.9354x0.5262" 16:9 2880 x 1620
Monitoring/EVF 26.136x14.702 mm / 1.0290x0.5788" 16:9 3168 x 1782
Recording Internal to SxS memory cards 1080p Apple ProRes 422 (HQ) or Apple ProRes 4444 QuickTime® HD video with embedded 2-ch audio and ancillary metadata xml-fle.
External via HD-SDI REC OUT ARRIRAW or 1080PsF 4:4:4 rgB/4:2:2 YCbCr HD video. Recording frame rates other than HD standard 23.976, 24, 25, 29.97, 30, 50, 59.94,60 PsF requires a recorder with Variframe support. Recording ARRIRAW requires an ARRIRAW T-Link certifed recorder.
Sound Under 20 dB(A) when recording to SxS cards with lens, measured 1 m/3 feet from the image plane
Power 12 or 24 V DC
Dimensions Length 332 mm/12.95" - body with PL mount
Width 153mm/6.02" - body only
Height 158mm/6.22" - body only
Lens 54 mm PL mount, adjusted for Super 35.
Shutter Electronic shutter, adjustable from 5 to 359° with 1/10th precision.
Viewfinder Electronic color viewfinder with a 1280 x 720 pixel F-LCOS micro display and ARRI LED backlight. Comes with an eyepiece diopter. Optional Viewfinder Extension Bracket VEB-1 and long EVF cable. High-speed interface to camera for very low latency.
Viewing Screen Superimposed format markers (customizable), peripheral image area and camera status. Pixel to pixel display for critical focusing. False color display for easy exposure check. Image can be fipped for use on left or right side of camera.
Connections 1x monitoring out HD-SDI 1.5g (MON OUT) 1x time code (TC)
1x return signal/sync in HD-SDI 1.5g (RET/SYNC IN) 1x headphone jack
1x accessory interface (EXT) 1x audio in XLR 5-pin (AUDIO IN)
2x recording out HD-SDI 3g/1.5g switchable (REC OUT) 1x viewfinder interface (EVF)
1x 24 V power in (BAT) 1x powered network (NET)

2x 24 V accessory power (RS)

1x memory card module
1x 12 V accessory power  
Accessories ALEXA has integrated clamps for 15mm rods. ALEXA is compatible to a wide range of production and lightweight matte boxes (15 or 19 mm system), follow focus units, lens control system (LCS) components, wireless remote system (WRS) components, electronic accessories and support systems. Specifically for ALEXA: 19mm rod bridge plate (BP-12), bridge plate adapter (BPA-1) for mounting on standard bridge plates (BP-3/5/8/9), wedge adapter (WA-1) for mounting on the Digi-Cine quick-release base plate (QR-HD1), shoulder pad (SP-3), ALEXA Ethernet Adapter (AEA-1), leveling block (LB-1), viewfinder interface cables, viewfinder mounting bracket (VMB-1), viewfinder extension bracket (VEB-1), electronic viewfinder (EVF-1), ALEXA low mode support set (LMS-3), center camera handle (CCH-1), handle extension block (HEB-2), side camera handle (SCH-1), battery adapter top for gold Mount (BAT-G), battery adapter top for V Mount (BAT-V), battery adapter back for gold Mount (BAB-G), battery adapter back for V Mount (BAB-V), spare fan module (SFM-1), ALEXA rain Shield (ARS-1)