HELMUT Film Scanner




    Helmut is a photographic film scanner on your phone.

    Usage scenarios
    * NEW: capture frame using phone's camera, or use an image from Gallery (e.g. taken with your DSLR).
    * Digitize your (old) negatives.
    * Share your (lomo) shots easily without format or film type restrictions.
    * Fast contact sheet tool.

    Features & Instructions
    1. Place and press a negative uniformly on whatever you like (see section Lighting the Film below).
    2. Launch Helmut and capture the frame, or choose already captured image from Gallery.
    3. Crop the frame.
    4. Tweak the scan with tools you're used to work with while scanning:
    * Brightness/Contrast.
    * Levels (General, and all 3 RGB).
    * Color Balance.
    * Hue/Saturation/Lightness.
    * Unsharp Mask.
    5. Flip, rotate, and share! So far we've implemented 3 services to work directly from the app: Dropbox, Facebook and EyeEm. You can always open the resulting scan in a native Gallery and share elsewhere from there.
    6. See our set on Flickr for visual inspiration:
    (7. Spread the word about the app, share your successful scans!)

    General Guidelines
    * Make sure you light the film frame uniformly. If part of it is lit more than the remaining area -- you'll get a poor scan.
    * Don't use flash or any color effects while capturing the frame with the camera. Yeah, right. Common sense. Just sayin'..
    * Crop the frame accurately, leave out the film perforations. The colors will be more accurate then. Everyone knows it's a film anyway.
    * Be nice and report (see email below) if something doesn't work instead of exploding here. We know it's not perfect. You know that technically it's very challenging. This is an open-source initiative, so participate. If you know a way to improve Helmut, please tell us. We will implement all the valuable ideas.
    * If possible, be sure to press the frame against the light source. Poor man's solution -- simple glass. Anti-Newton-Ring typish is, of course, more suitable.
    * Also, try eliminating other sources of light. Put your main light source (see next section) into a box with a single hole for a phone lens on top of it. This fixes the excessive contrast or color cast in the resulting scan.

    Lighting the Film
    Again, no matter what you use, make sure it's lit uniformly.
    Here a list our ideas for a light source:
    * Your laptop screen with an empty Notepad window (and turn on max brightness of the screen).
    * iPad, Tab, any tablet with some lightbox app open. Or just plain white screen.
    * Your window pointing to the sky.
    * Google "DIY film lightbox". Add "lomo" to the query.
    * We are working on creating several budget open-source lightbox versions. Something you could build easily on your own; or send to some 3D/laser printing service to cut the pieces which you could assemble manually. We will publish the sketches as soon as they're ready. Any creative suggestions are highly appreciated.
    * Use some commercial solutions, e.g. a recently release black box by the well-known producer.

    Known Bugs
    * If the app is crashing after you capture the frame -- try lowering the 'Scan Quality' in the app Preferences. Our aim was to make as large resulting scan as possible. We therefore push the memory limits and for some phones that's simply too much.
    * Currently app only works in portrait orientation.

    Permissions Explanation
    * Camera: for capturing the frame.
    * Storage: for saving the scans and intermediary files.
    * Network: for sharing the scans.

    All in all, stay tuned. This is just the beginning. We have a lot more to offer in the project. Be sure to check for updates.

    Have fun, boys and girls! Let's keep the film alive.

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    Users review

    from 2.399 reviews



    Users comments

    Simon Broenner

    by Simon Broenner

    Jun 12, 2017  |  "Poor"

    Broken on Nougat or Oneplus3T... Empty frame shown after cropping along with no way to move forward by accepting the changes. Only option is to hit the back button and discard changes...

    Adam Barnes

    by Adam Barnes

    Jun 07, 2017  |  "Poor"

    Hated it. This app only worked once and the scan came out badly. Couldn't get passed the camera screen. After taking photos, it sent me back to the home page. It needs work. Sony Xperia XZ.

    Rod Cleaver

    by Rod Cleaver

    Jun 05, 2017  |  "Poor"

    The preview screens don't show the image being worked on. Editing blind. Not the best way to work on a negative

    Satria Parama-Artha

    by Satria Parama-Artha

    Jun 05, 2017  |  "Awesome"

    Easy to use, default c41 color correction produces nice retro look. post capture editing interface could've been more straightforward, zoom gesture should be for zooming.

    Anil Kumar Kulkarni

    by Anil Kumar Kulkarni

    Jun 03, 2017  |  "Awesome"

    superrrr please download this it works ultimately I lovvveeeedd it

    Sunil Kumar T R

    by Sunil Kumar T R

    May 29, 2017  |  "Awesome"

    Hats off to the creators. Thank You.