Composition, exposure and light in your pocket. Built in the open, shaped by the photographers who use it.
Free · open source · no ads · Android 7+
free · open source · no ads · no account · works offline · Android 7+ · 13.6 MB
Where you stand, how you hold the phone, what the light is doing. Prolens puts that on the screen.
Spirals, triangles and perspective lines over the live view. Tap one to redraw the frame.
Two lines each way at 1/3 and 2/3. Put subjects on the lines or on the four crossings.
Kungsleden, SwedenFujifilm X-T1 · 24.3 mm · f/11 · 1/45 · ISO 200Photo: Trougnouf (Benoit Brummer), CC BY 4.0
It turns green inside half a degree. Drag the bar until the fog line settles.
Vosges, FranceNikon D300 · 82 mm · f/8 · 1/13 · ISO 200Photo: Thomas Bresson, CC BY 3.0
The real photo, measured pixel by pixel. Zebras stripe what’s about to clip; peaking outlines what’s sharp.
Baden-Württemberg, GermanyCanon EOS R5m2 · 50 mm · f/6.3 · 1/400 · ISO 100Photo: Thomas Heins from Friesenheim, Deutschland, CC BY 4.0
Golden and blue hour for wherever you’re standing, worked out with no signal.
Sun times from SunCalc by Vladimir Agafonkin (BSD-2).
Every line is on GitHub under Apache-2.0: the app, the exposure maths, the sun tracker and all 23 grids.
Shoot with it, then tell us what a real day out needed.
github.com/venkataPhanindraVutla/ProlensFree, no account, no ads. Install the APK, point it at something, and tell us what's missing.
SHA-256 274ed215…52bf5117
Want the store version? Watch releases on GitHub to hear first.
