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8mm Film Scanner V2

Easier to build, more powerful scanning and post scan processing of films.

AntonAnton
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This project is based on the original 8mm Film Scanner https://hackaday.io/project/167426-8mm-film-scanner.
I branched it out due to incompatibility of the new components to the old design.
V2 will have several improvements over the original film scanner. The aim is to make it easier to print and build, increase the performance by using a Raspberry Pi 4 and the optional use of a HQ camera module.

All changes are in an early phase and need to still be tested. I'll post the files for the parts here once they work.

The new mount plate comes with various improvements. The rolls are now mounted with 3mm screws instead of the previous 3d printed parts and no nuts are used. They also have now handles so its easier to lift them up when loading a film.

The roll that detects the status of the winded up part of the film can now be moved in a larger angle and also has a handle.

The rolls themselves have a clear position for the bearings. The film clearer is more robust than the previous version. I printed the plate itself in PETG, the movable parts in PLA. All with a 0.4mm nozzle, so it should be easy for everyone to print.


roll mount V1

roll mount NEW V2

mount plate back

Schematic_film copier mk2_2022-04-25.pdf

New Schematic

Adobe Portable Document Format - 68.83 kB - 04/25/2022 at 04:13

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  • the film scanner HAT is assembled

    Anton • 05/11/2022 at 04:26 • 0 comments

    finally all components arrived and I could assemble the HAT.

    I also decided to go with an SSD drive for optimum performance. 

    the Pi4 sits on the SSD board
    the HAT is assembled and ready

  • stl files for new core unit

    Anton • 05/03/2022 at 08:20 • 0 comments

    if you want to test the new core unit, I've put the stl files on my gdrive:

    https://drive.google.com/drive/folders/1kwc13bQUv-6axDW3g2RIkeYDfymdQTxG?usp=sharing


    Important note:

    The mount plate V2 is not compatible with the version 1 of the scanner. I've added a compatible version.

    I've used PETG for the mount plate and PLA for the rest - all printed with a 0.4mm nozzle.

  • first go on the case for the 5 inch display

    Anton • 04/25/2022 at 04:22 • 0 comments

    the front case needed complete redesign to make space for a larger 5 inch HDMI display.

    the buttons are now below the display. The cover is printed in one piece, including the buttons. Only a color change was done after the first three layers.

  • new PCB design

    Anton • 04/25/2022 at 04:10 • 0 comments

    In order to provide cooling to the Raspberry Pi 4, the new design has space for a cpu cooling fan. The GPIO assignment is new - so it is not compatible with the software of the original scanner.

    It also includes now a switch to toggle between S8 and R8.

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Roger Mason wrote 12/04/2022 at 17:55 • point

Anton, care to estimate when your V2 8mm Film Scanner project will be published & ready for replication?  I am considering whether to replicate your V1 version using the retrofit V2 mount plate or wait for your full V2 version.  Thx  

  Are you sure? yes | no

robteed wrote 10/26/2022 at 03:23 • point

Hello Anton, Have you considered making a gate and other components for 16mm film? I have an extensive collection of 16mm films that I would like to digitize, I have been collecting parts for quite some time and I think I have everything I need, I have an ArduCam 16meg camera with autofocus that is able to focus well on a 16mm frame of film. I have stepper motors and Arduinos/Raspberry Pi's.  I have an FLA printer and two resin printers. I do not know how to use 3D design software good enough to create something like your project. I am trying to learn Blender 3D.

  Are you sure? yes | no

Louis Hillebrand wrote 10/23/2022 at 16:30 • point

Anton, have you published the updated cad for the Stepper HAT? The same question for the 5 inch screen mount?

  Are you sure? yes | no

Gianluca wrote 10/18/2022 at 16:17 • point

Nice Project - it comes handy: can you publish the updated BOM? I guess that apart from the display, the rest should be similar.

  Are you sure? yes | no

Roger Mason wrote 10/16/2022 at 17:09 • point

Anton, have you published an updated film scanner cad asm drwg that includes the newer V2 components (V2 backplate and mount for 5in display)?  The only published  asm drwg I have seen is of the V1 film scanner.   Thx

  Are you sure? yes | no

Mauricio Tecles wrote 06/11/2022 at 22:28 • point

Hi Anton! As I wrote you on the original film scanner webpage I will try to use Arduino, my computer and the core of your fine project. I downloaded the .step file of your V1 scanner and I took a look at it with Fusion 360.
 It seams that an 8mm film thickness is 0.15mm, a cement splice 0.3mm. What about enlarging the gap between the film plate and the the camera rail to, say, at least 0.45mm? That would give some extra space for the splice, and I am thinking of something to gently press down the film. I am making some modifications on the film plate and I will share it so you can take a look at it, if you will.

  Are you sure? yes | no

Mauricio Tecles wrote 06/15/2022 at 00:01 • point

Hi again! I have maide some modiffications as suggestions: 

1- The gap between the film plate and the camera lens rail enlarged to 0.45mm.

2- Two "craisy" ways to press the film down on the film plate: one uses a 3mm LED, as it has a polished rounded lens; the other uses a ski/sled. Both with a 3x8x4 ballbearing as weight.

I have used the version 1 .step file just as reference.

I have not 3D printed then, they are just suggestions to be considered or not.

The Fusion 360 files are shared on my Google Drive:

https://drive.google.com/drive/folders/1fpVlumdcgDRgKHHitJZPe8E0gs6YF_v_?usp=sharing

  Are you sure? yes | no

DeadParadise wrote 05/14/2022 at 01:16 • point

I just wanted to say that you are doing an amazing job and I'm excited for the new version! I just started getting back into shooting super 8 and I have been looking for scanning solutions. I've also been wanting to work more with electronics using my raspberry pi, so I feel like this would be the perfect next project for me. If you have a donation link, please do share it.

  Are you sure? yes | no

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