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ARRI ALEXA Series User Manual

ARRI ALEXA Series
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18 Introduction to the ALEXA
Critically important to camera operators is the viewfinder. Based on our
experience with optical viewfinders, ALEXA's electronic viewfinder
provides an exceptionally clear image with natural skin tones and
smooth motion portrayal that is easy on the eye. For those who
appreciate the advantages of optical viewfinders, the ALEXA Studio can
be operated with an optical or electronic viewfinder. The electronic
viewfinder includes powerful assistive displays like surround view, false
color exposure check or anamorphic de-squeeze.
The hardware of the camera is designed for the best and most
ergonomic use on the set, including the built-in shoulder cut-out, many
attachment points on the camera's precision machined housing and a
large numbers of accessories like the low mode set, the Remote Control
Unit RCU-4 or the Wireless Compact Unit WCU-4. With meticulous
attention to detail we have added many small but helpful design
refinements, including built-in supports for 15 mm lightweight rods or
differently shaped extrusions (eyebrows) above some buttons so the
operator can feel the button's position even from the other side of the
camera or shooting in low light. The same care has been taken to
ensure compatibility with the extensive range of exiting accessories.
ALEXAs are well balanced and can be quickly switched from shoulder
use to tripod, crane or Steadicam. They accept a wide range of power
input from 10.5 to 34 V DC. Multiple power sources can be
simultaneously connected (with hot plug capability) and a smart circuit
will automatically switch to the one with the highest voltage.
Open, Future Proof Architecture
Compatibility with industry standards
PL mount lenses
Apple ProRes, Avid DNxHD, HD-SDI, SxS PRO cards and
CFast 2.0 cards
Gold mount or V-lock on-board batteries
12 or 24 V power inputs and outputs
Support for ARRI and cmotion cvolution wireless lens control
systems
Support for third party on-board recorders
ARRIRAW* support for third parties through ARRI Partner
Program and ARRIRAW SDK
Numerous upgrade options
Upgradable Storage Interface Module
Upgradable Electronics Interface Module
Exchangeable Lens Mount (ELM)
Easy and powerful free software updates
New features through purchase of license
Long product cycles
We are open to equipment and standards from other manufacturers, be
that PL mount lenses, Apple ProRes, the HD-SDI standard, Gold or V-
mount on-board batteries, cmotion lens control systems or both 12 and
24V accessory power outputs. We want to make sure that you can put
together the right ALEXA package with the accessories you want.

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ARRI ALEXA Series Specifications

General IconGeneral
Dynamic Range14+ stops
Resolution4.5K (ALEXA LF), 6.5K (ALEXA 65)
Recording FormatsARRIRAW, Apple ProRes
Lens MountPL mount
ViewfinderOptional EVF (Electronic Viewfinder)
Sensor SizeSuper 35 (most models), Large Format (ALEXA LF, ALEXA 65)
ISO RangeEI 160 - EI 3200 (Base ISO 800)

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