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ARRI EF Mount (LBUS)

BH #AREFMNTLBUS • MFR #K2.0019965
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ARRI EF Mount (LBUS)
Key Features
  • Fits ALEXA 35, Mini & Mini LF Cameras
  • Use with EF-Mount Cine or Still Lenses
  • Lens Data & Wireless Lens Control
  • Iris Control for Select Still Lenses
The ARRI EF Mount is an EF lens mount with an LBUS connector and reduced internal reflection properties that ensure the full contrast of the image from the lens reaches the sensor. This EF mount (LBUS) has a wide light baffle that illuminates both Super35 and large-format sensor areas. It allows control of the electronic iris in many EF lenses through the camera menu and ARRI ECS devices. It also allows the use of the electronic image stabilization found in some EF lenses.
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ARRI K2.0019965 Overview

The ARRI EF Mount is an EF lens mount with an LBUS connector and reduced internal reflection properties that ensure the full contrast of the image from the lens reaches the sensor. This EF mount (LBUS) has a wide light baffle that illuminates both Super35 and large-format sensor areas. It allows control of the electronic iris in many EF lenses through the camera menu and ARRI ECS devices. It also allows the use of the electronic image stabilization found in some EF lenses.

Note:
This EF Mount (LBUS) is compatible with ALEXA 35, ALEXA Mini LF, and ALEXA Mini. It does not work with the AMIRA.
ARRI Compatibility
  • ALEXA Mini LF
  • ALEXA Mini
  • ALEXA 35
Large-Format and Super35 Coverage
This mount's wider light baffle provides coverage for both large-format and Super35 image sensors
Lens Compatibility
  • Cine-style EF-mount lenses
  • EF-mount still photo lenses
LBUS Connector
LBUS link for:

  • Wireless FIZ lens control motors for cine-style lenses
  • Iris control for select still photo lenses
Radio Compatibility
Uses your ALEXA 35/Mini/Mini LF's radio for lens motor control
Image Stabilization
Power the image stabilization function of select telephoto lenses
Durable Design
Durable and reliable design stands up to film/television production use

ARRI K2.0019965 Specs

Camera Mount
ARRI PL Mount
Lens Mount
Canon EF
Electronic Communication
Yes
Packaging Info
Package Weight
0.9 lb
Box Dimensions (LxWxH)
9.8 x 7 x 2.6"

ARRI K2.0019965 Reviews

See any errors on this page? Let us know

Will this work with a arri alexa ?

Will this work with a arri alexa ?
Asked by: Anthony
1) How long does an EF lens take to "initialize" (ie be useable) once the lens is mounted and 2) How useful are the smart grips when paired with this mount and pulling focus on EF lenses using the internal EF motors?
Answered by: Ian
Date published: 2021-12-22
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