ARRI ALEXA Series User Manual

In-Camera Filter Module IFM-1 227
3. Untighten the reflex tube (2) with the wrench (1) and unscrew it
with your fingers. Do not touch the sensitive sensor glass:
4. Accurately insert the IFM-1 Bottom Ring (1) into the PL mount (2).
The square red nut must be in the 6 o'clock position and face
camera-outwards, with the two smaller red pins taking the 10:30
and 1:30 positions:

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)