re.photos vs light & deep

A hundred years ago, someone stood here and pressed the shutter. The world moved on. Now you're standing in the same place, ready to take the photo again. re.photos is a worldwide community archive of before-and-after photo pairs – historical photographs placed side by side with their present-day counterparts, taken from the very same spot. Slide between the two and watch a street, a square, or a coastline change across decades or centuries. EXPLORE Browse thousands of comparisons contributed by people around the world. Move the slider and the past becomes the present, then the present becomes the past again. Open the map to see where each pair was made – and find ones near you. CAPTURE The hardest part of rephotography is lining up the modern shot with the historical one. The live camera guide does it with you in real time: small arrows nudge you left, right, up, down, closer, farther, until the framing matches. Press the shutter and the app finishes the alignment for you. Already taken the perfect shot? Pick it from your library and let the app do the rest. CONTRIBUTE The archive includes a growing list of "image templates" – historical photos still waiting for someone to come back and take the new one. Find one near you, head out, and add the present-day match. Or upload a complete pair of your own. Everything you publish appears on re.photos for the world to see. BEHIND THE APP re.photos began as a research project at the University of Osnabrück. Today it's carried by an independent team that genuinely loves the mission of capturing and showing how places change over time. This app was made possible by the generous support of the Sievert Foundation. Available in English, German, and French.

Light & Deep is a viewfinder, light meter and LiDAR rangefinder for film, cinema and custom made cameras. Choose your format and focal length, meter the light and measure your subject distance. With Pro (one purchase, no subscription), see the estimated depth of field as zebra stripes over the live scene, and watch it change as you adjust the aperture. Originally built for a handmade camera without a finder or meter, it brings the same practical tools to medium-format, large-format and panoramic photography. SEE DEPTH OF FIELD — PRO Explore which nearby parts of your scene would be sharp for your format, focal length, aperture and focus distance. Open the aperture and the highlighted zone narrows. Stop down and it grows. METER THE LIGHT Set your film ISO, choose aperture or shutter priority, and read the corresponding exposure setting. Pro adds spot metering and calibration for each iPhone lens. FRAME YOUR SHOT Set your format and focal length to preview composition. Free offers 35mm full frame and 6x6 medium format. Pro offers 53 film, digital and cinema formats, including large format, XPan, Instax, Polaroid, Super 8, and IMAX. MEASURE THE DISTANCE On a LiDAR-equipped iPhone, tap a point to measure its distance. The free distance zebra highlights surfaces near the selected distance. Pro adds depth-of-field visualization and can keep measuring a fixed point in the scene even as you move the phone. SAVE A REFERENCE — PRO Keep a reference photo with a settings strip and image metadata. Record aperture, shutter speed, ISO, format, focal length, distance, a film note and optional location, so you can refer back to your setup later. FREE, WITH NO TIME LIMIT • Reflective light meter with aperture and shutter priority • 35mm full-frame and 6×6 frame overlays • Focal-length control • LiDAR distance measurement, tap-to-measure and target-distance zebras on supported hardware PRO - ONE PURCHASE, NO SUBSCRIPTION • Depth-of-field visualization on supported hardware • All 53 formats • Spot metering and light-meter calibration • Reference photos with settings and metadata • Fixed-point distance tracking • Ultrawide camera support on compatible devices • Black-and-white view and virtual horizon • Frame, zebra and crosshair customization • Parallax correction for a phone mounted on a camera • Cinema tools: shutter angle, project frame rate and anamorphic squeeze Pro is an optional one-time in-app purchase. The free features remain available without upgrading. REQUIREMENTS iPhone with iOS 17.6 or later. Distance measurement, distance zebras and depth-of-field visualization require a LiDAR-equipped iPhone: iPhone 12 Pro or 12 Pro Max, or a later model with LiDAR. Metering and framing work without LiDAR. LiDAR is intended for nearby subjects, with a useful range of about five metres depending on conditions. Depth coverage is limited to the central area in ultrawide view. The depth-of-field overlay estimates acceptable sharpness; it does not simulate lens bokeh or guarantee the final photograph's sharpness. PRIVACY No account, ads or analytics. Camera, depth and exposure processing happens on your device. Optional location data is used when you choose to include it in a reference photo.