Exposure Assistant

v4.2 Update Date：2025-12-30 Developer：Matthew Bognar

Download Apk

Exposure Assistant Application Screenshots

Exposure Assistant AI Editor's Review

Exposure Assistant is a handy Android app that estimates exposure duration for variable ND filters. It simplifies photography by providing quick calculations, helping photographers achieve optimal settings and avoid overexposure. A must-have tool for ND filter users!

Comprehensive Analysis

Exposure Assistant is a straightforward application designed to calculate the appropriate exposure time when using variable neutral density (ND) filters. The app takes the filter's density value as input and provides an estimated exposure duration. Its simplicity makes it easy to use, especially for photographers who frequently employ ND filters. It effectively prevents overexposure by offering accurate calculations. While currently focused on exposure time, future updates could expand its functionality. The user experience is generally positive due to the app's uncluttered interface.

Key Advantages

Accurate exposure time estimations for ND filters.
Simple and intuitive user interface.
Saves time and prevents overexposed photos.

Areas for Improvement

Limited to exposure time calculations for now.
May require manual input of ND filter values.

The description of Exposure Assistant

Site Editorial Commentary：Approximate exposure for various B&W films (and some color films) in low light.

Enhance your film photo graphy with the "Exposure Assistant", a specialized Android application designed to calculate accurate exposure times for various black and white (B&W) and some color films in low-light environments.

In challenging low-light situations, the reciproCity failure phenomenon (also known as the Schwarzschild effect) causes your camera's light meter to become inaccurate. This application addresses this issue by approximating the correct exposure time, based on manufacturer datasheets, ensuring your photos are properly exposed.

Key Features:

* **Precise Exposure Calculation:** Accurately estimates exposure times, compensating for reciprocity failure.
* **Built-in Timer:** Includes a convenient timer to help you exeCute your exposures.
* **Warning System:** Alerts you when an exposure exceeds the manufacturer's recommended limits, allowing for informed adjustments.

Supported Films:

The application currently supports a wide range of popular films, including:

* Adox CHS series
* Adox CMS 20 II
* Adox Silvermax 100
* Agfa APX series
* Bergger Pancro 400
* Fomapan series
* Fuji Acros series
* Fuji Provia 100F
* Fuji Velvia series
* Fuji Pro series
* Fuji Superia series
* Ilford Delta series
* Ilford FP4 Plus 125
* Ilford HP5 Plus 400
* Ilford Ortho Plus 80
* Ilford PanF Plus 50
* Ilford SFX 200
* Ilford XP2 Super 400
* Kentmere Pan series
* Kodak Ektar 100
* Kodak Portra series
* Kodak TMAX series
* Kodak Tri-X series
* Rollei IR 400
* Rollei Ortho 25 Plus
* Rollei Retro 80S
* Rollei RPX series
* Rollei Superpan 200

**Important note:** For extremely long exposures, the application uses mathematical extrapolation. While this provides an estimate, users are strongly encouraged to conduct their own exposure tests to ensure optimal results in these unique shooting conditions. "Exposure Assistant" empowers you to master low-light photography and achieve stunning results with your favorite films.