During the shoot · Framing & metering

Zone Exposure

A unified exposure workflow: reciprocity, bellows factor, filters and manual compensation on one screen, so the total exposure comes out in a single pass.

When it helps

exposure session
combined exposure
bellows factor
large format exposure
filter factor
total exposure
work it out in one go

At a glance

Where to find it	Tools tab → Session
Category	During the shoot · Framing & metering
Platforms	iOS / Android / HarmonyOS (native) (coming soon)

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“Zone Exposure” is one of the 37 photography tools in Optaxis. Coming to iOS, Android and HarmonyOS (native) at the same time, expected between late December 2026 and early January 2027; once live, search for “光轴” (Optaxis) in your app store to download.