Cyanotype Exposure App

Exposure app

New cyanotype exposure app now availabe for Android phones. 

Just point your phone screen at the sky to get an accurate exposure time in any weather. You can see more about the app at altxpo.co.uk

This app is only available for Android devices but will be available for Apple soon.

An app for accurately exposing cyanotypes.

The app accurately measures the correct exposure time for Cyanotypes in all weather conditions. Simply use the estimator or let the app time the exposure for you, compensating for weather changes during the exposure. The app also has the option to pause and resume the Cyanotype exposure time. This app gives you a clear advantage of size, quantity and uniformity over other methods of exposing Cyanotypes.

Real Exposures

November Bright Sun

Cyanotype exposure on a sunny day in November at noon UK using the app.

Mixed Sun & moving cloud demonstration

Watch the app exposure on the fly as the weather changes from sun to cloud and back repeatedly.

November Light Cloud

Cyanotype exposure on a light cloud day in November at noon UK using the app.

November Overcast

Cyanotype exposure on a cloudy day in November at noon UK using the app.

November Rain

Cyanotype exposure on a Rainy day in November at noon UK using the app.

November Snow

An exposure in winter snow through a single glazed window in November at noon UK using the app.

Shopping Cart