ARRI ALEXA Series User Manual

248 Appendix Appendix
A.1 Appendix
ALEXA EV
Image Sensor
Type ALEV III CMOS sensor
Sensor frame rates 0.750 - 60.000 fps
60.000 - 120.000 fps in High Speed mode
Shutter angle 5.0° - 358.0°
5.0° - 356.0° in High Speed mode
Total active photo
sites (incl. surround
view)
3168 x 1782 (16:9)
3168 x 2160 (4:3)
3414 x 2198 (Open Gate)
Photo sites of
recorded image
2880 x 1620 (16:9)
2880 x 2160 (4:3)
3414 x 2198 (Open Gate)
Aperture of recorded
image
23.76 x 13.365 mm (16:9)
23.76 x 17.82 mm (4:3)
28.17 x 18.13 mm (Open Gate)
Image aperture (incl.
surround view)
26.14 x 14.70 mm (16:9)
26.14 x 17.82 mm (4:3)
28.17 x 18.13 mm (Open Gate)
Photo site pitch
8.25 µm
Aspect ratios 1.78:1 (16:9)
1.33:1 (4:3)
1.55:1 (Open Gate)
Filters optical low pass, UV, IR
Color filters RGB primary colors
Lens
Lens mount Exchangeable lens mount, with PL mount
LA-PL-1 installed
Flange focal depth 52.00 mm nominal
Image processing
White balance 2000 - 11000 Kelvin
CC Shift -8 to +8 (translates to full magenta/ full
green gel correction)
EI rating 160 - 3200 ASA
Recorded image
resolutions
1920 x 1080 pixels (16:9 HD)
2048 x 1152 pixels (16:9 2K)
2880 x 1620 pixels (16:9 ARRIRAW)
2048 x 1536 pixels (4:3 2K)
2880 x 2160 pixels (4:3 ARRIRAW)
3414 x 2198 (Open Gate ARRIRAW)
Viewfinder

ARRI ALEXA Series Specifications

General

Dynamic Range	14+ stops
Resolution	4.5K (ALEXA LF), 6.5K (ALEXA 65)
Recording Formats	ARRIRAW, Apple ProRes
Lens Mount	PL mount
Viewfinder	Optional EVF (Electronic Viewfinder)
Sensor Size	Super 35 (most models), Large Format (ALEXA LF, ALEXA 65)
ISO Range	EI 160 - EI 3200 (Base ISO 800)