half camera app

half is a half-frame stills camera. You take two vertical exposures, one after the other, and they become a single horizontal photograph. The first shot is always the left half. The second is always the right. There is no library import, no swapping halves after the fact, and no saving one side alone.

HOW A PAIR WORKS
You wait between the two shots on purpose. When the pair commits, half keeps both source frames and the finished photograph on the device. If you export, your photo library receives the diptych only.

ROLLS
Load film and length before frame one. Those choices stay locked for the rest of the roll.

• Short: twelve finished pairs
• Full: thirty-six finished pairs

Advance after each pair. Finish the roll for a contact sheet in the archive, or abandon it with confirmation. Completed pairs stay. An unmatched half stays visibly unfinished.

SEVEN FILMS
Chosen when you load the roll. Same recipe on both halves of a pair; grain differs per exposure.

• Everyday 200: warm color, lively reds, gentle shoulder
• Daylight 100: clean daylight color, restrained saturation
• Night 800: tungsten-aware color, visible grain
• Slide 50: saturated greens and reds, deep contrast, fine grain
• Reel 200: cinematic soft shoulder, lifted toe, gentle light bloom
• Reportage 400: firm black and white midtones, open shadows
• Press 400: classic silver grain, moderate contrast, open toe

No strength sliders. The look is the look.

PAIR LOCK AND THE FINDER
Pair Lock can carry focus distance, white-balance intent, and exposure bias from the first half to the second. Where the device has more than one rear camera, each half can still use its own lens unless you change it or tap Match Left. Tap to focus and meter. Long-press to lock exposure and focus. Exposure compensation from -3 to +3 EV. Optional grid and live histogram for composition only. Volume buttons can fire the shutter. First-half reference: Off, Edge, or Ghost. Ghost is a finder overlay and never enters the finished file.

JPEG ONLY
Each exposure is a maximum-resolution JPEG from the active rear lens. Finished pairs are wide-gamut JPEG photographs. An sRGB share copy is optional. No RAW capture in this version.

ON YOUR DEVICE
No account. No analytics or tracking SDKs. No cloud processing. No location permission. Photographs stay on the device until you export or erase them.

PERMISSIONS

• Camera: required for the finder and both halves of every pair.
• Photo library: add-only when you choose to save finished pairs or contact sheets. half does not read your existing library.

YOUR DATA
Delete completed rolls from the archive. About, then Erase all half data removes every roll, pair, and preference on this device after confirmation. Copies already in your photo library must be deleted there.

SUPPORTED HARDWARE

• Multi-camera devices: native rear lenses with per-half selection.
• Single-camera devices: one wide rear camera, no lens picker.

LEGAL AND SUPPORT
Privacy Policy: https://sixtwelve.studio/privacy
Support: https://sixtwelve.studio/support
In-app: About, then Privacy Policy, Support, or Erase all half data.

half is published by SixTwelve Studio as half camera app. Portrait orientation. Paid once. No subscription. No in-app purchases.

FOLDING PHONE

• Closed: a compact camera on the cover display, with the shutter dial, lenses, Pair Lock and REF on a side rail.
• Open: a physical diptych. The left half is shot left of the hinge, the right half right of it, and the finished pair spans both.
• Tabletop: rotate and set it down for a waist-level ground glass above the fold, the full instrument deck below, a level line and a swipe advance lever.
• Time Pair: stand it on its edge, pick a gap of 10 s, 1 min, 15 min or 1 h, take the left half, and the right half fires on its own.
• Subject view: turn it on in Tools and the cover shows your subject a mirrored live preview, a ghost of the first pose, and the finished pair.

NEW DEVICES

• Support for the newest Pro models, with per half lens selection across the ultra wide, wide, and telephoto cameras.
• Device support is now detected from the camera system your phone reports, so future models work on first launch.

FOCUS AND EXPOSURE

• Optical rangefinder focus reticle with framing corners.
• Vertical drag on the focus reticle to adjust exposure compensation from -3 to +3 EV.
• Long press to lock focus and exposure. Double-tap the finder to reset to continuous center autofocus.

ARCHIVE

• Clearer 35mm film rebate markings with frame numbers, and an exposure data log for completed pairs.