Photographer needs to extract Exposure Value (EV) from specific parts of an already-taken digital photograph, like sky or shadows.

Photoshop lacks a built-in tool to calculate EV or exposure value from selected areas of an image, requiring manual workarounds.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 21, 2026

Workarounds Described

uses Photoshop to manually guess exposure from histogram or grayscale patches

Implied Software Gaps

Photoshop plugin that accurately computes EV from selected image regions using raw-like pixel analysis

App Concept

ExpoMeter Pro

A Photoshop plugin that analyzes selected image regions to calculate Exposure Value (EV) from pixel data, compensating for gamma and color space. It displays EV for shadows, highlights, or any custom selection, saving hours of manual guessing.

Key Features

One-click EV calculation for any selected area
Histogram overlay with EV markings
Auto-detect dynamic range and zone system zones
Export EV data as text or CSV for post-processing decisions

Target Users: Photographers, retouchers, and imaging professionals using Adobe Photoshop on Windows or Mac, from hobbyists to studios.

Revenue Model: $19.99 one-time license with free trial, or $4.99/month subscription including updates and support.

Existing Solutions Mentioned

Photoshop

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