ARRI Alexa Mini LF Sensor Modes

A summary of the resolution and codec options available in the different sensor modes of the ARRI Alexa Mini LF digital cinema camera.

Ben Bateman

Updated August 25, 2022

·

3 min read

The ARRI Alexa Mini LF has a total of nine sensor modes (as of SUP 7.1). It can be difficult to remember the image circle, clip resolution, codecs and frame rates offered in each mode, so we've summarised them for you here.

Visualising The Different Modes

Here is an interactive visualisation of the different sensor modes. For each mode you can see the number of pixels (photosites) of the sensor used, the physical size of the sensor area used to record the image, and the image circle needed to cover the sensor mode (useful for determining if your lens choice will cover the mode you intend to use).

Hover over an area or click/tap it to see a summary of the sensor mode.

Alexa Mini LF sensor modes. Hover over a mode, or click/tap it to see a summary of the mode.

Recording Resolutions and Codec Options

Some sensor modes allow you to choose a clip resolution different to the number of pixels used by the sensor mode, while others do not. Modes also offer different codec options (ARRIRAW or ProRes) and maximum frame rates. Below is a breakdown of the options available for each mode.

ARRI Alexa Mini LF Sensor Mode Comparison
Sensor Mode Clip Resolution Codecs Max FPS

4.5K LF 3:2 Open Gate

4448 x 3096

ARRIRAW

40

ProRes

40

4.5K LF 2.39:1

4448 x 1856

ARRIRAW

60

ProRes

60

4.3K LF 16:9

3840 x 2160 (UHD)

ProRes

48

1920 x 1080 (Full HD)

ProRes

75

3.8K LF 16:9

3840 x 2160 (UHD)

ARRIRAW

60

ProRes

60

2048 x 1152 (2K)

ProRes

90

1920 x 1080 (Full HD)

ProRes

90

2.8K LF 1:1

2880 x 2880

ARRIRAW

60

ProRes

60

3.4K S35 3:2

3424 x 2202

ARRIRAW

60

3.2K S35 16:9

3200 x 1800

ProRes

75

3.2K S35 4:3

2880 x 2160

ProRes

75

2.8K S35 16:9

2880 x 1620

ProRes

100

Tags

Related Articles

ARRI Alexa 35 Sensor Modes

A comparison of the ARRI Alexa 35 (aka ARRI S35 4K) sensor modes - including image circles, codecs and maximum frame rates.

Ben Bateman

May 25, 2022

·

4 min read

Recording Audio On The Alexa Mini LF

If you've not recorded audio in-camera with the ARRI Alexa Mini LF, this article will help you avoid some gotchas that might not be obvious.

Jamie Harris

March 15, 2022

·

4 min read

ARRI Amira Sensor Modes

A comparison of the sensor modes available in the ARRI Amira, including image circles, recording resolutions and maximum frame rates.

Ben Bateman

July 17, 2020

·

2 min read

ARRI Alexa Mini Sensor Modes

A comparison of the sensor mode options available in the ARRI Alexa Mini camera, including image circles and maximum frame rates.

Ben Bateman

July 7, 2020

·

3 min read

Recording Media For The ARRI Alexa Mini LF

The ARRI Alexa Mini LF uses new Codex Compact Drive media. We run you through the essential details of it in this post.

Ben Bateman, Jamie Harris

June 21, 2020

·

4 min read

Battery Options & Run Times For The ARRI Alexa Mini LF

Learn about common battery options and associated run times for the ARRI Alexa Mini LF camera.

Ben Bateman, Jamie Harris

June 21, 2020

·

3 min read

© 2010 - 2024 Offshoot Rentals Pty Ltd

Melbourne, Australia

ABN 48 138 296 152