---
title: "Base ISO"
url: https://postproduction.studio/en/glossary/base-iso
language: en
description: "The native sensitivity of a camera sensor at which it delivers maximum dynamic range and lowest noise. Common: Alexa 800, FX9 800/4000 (dual), Venice 50..."
updated: 2026-10-25
---

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# Base ISO

The native sensitivity of a camera sensor at which it delivers maximum dynamic range and lowest noise. Common: Alexa 800, FX9 800/4000 (dual), Venice 500/2500 (dual). Other ISOs are derived electronically.

ImageDirector of Photography, DITOn-set, Capture

## Related terms

[Dual native ISO](https://postproduction.studio/en/glossary/dual-native-iso)[ETTR (Expose To The Right)](https://postproduction.studio/en/glossary/ettr)