DIY-Frame Scanner for 16 mm out of on an old Siemens 2000

[Dr. Thomas Faehrenkemper]

The principle was: simple, safe, short. No microcontroller, no software, easy to build and best image quality. The drive is a stepper motor NEMA 17, with a readily available motor controller, the lamp is a DZYDZR Mini 1W 5 V USB LED lamp, the currency is delivered by an old transformer and an rectifier, and the 5 V for the lamp by a step down circuit, also readily available. Finally, my camera, a Fuji XT4 is released by a reed contact.

The lens is a Rodagon 80mm 5,6 in retro positon.

Here is the link to my thread (in German): https://www.filmvorfuehrer.de/topic/40973-simple-safe-short-teil-2-mein-weg-zum-16mm-framescanner/

Her you can the result:

 

 

[Kamran Pakseresht]

Can you explain the series of tubes and bellows and lenses you used to allow your digital camera to properly focus on the film plane? This is the part I always struggle with.

Edited October 8, 2024 by Kamran Pakseresht

[Mark Dunn]

58 minutes ago, Kamran Pakseresht said:

Can you explain the series of tubes and bellows and lenses you used to allow your digital camera to properly focus on the film plane? This is the part I always struggle with.

OP can answer in detail, but they're extension tubes to get the correct magnification- quite a bit is needed to fill the APS-C frame. The bellows are part of this extension but they also facilitate focussing. The lens helicoid is probably insufficient, and bellows are also smoother.

Edited October 8, 2024 by Mark Dunn

[Dr. Thomas Faehrenkemper]

Now, first of all the lens barrel diameter on the Siemens 2000 is 42,5 mm, I took a 40 mm plastic tube  and some tape to adapt it. It fits properly now. The length about 80 mm. This is impotant to get a proper focus, the extension towards the camera gives the magnification.

An old M42x1mm lid with a central aperture of 32 mm was glued on the plastic tube,  then follows a stepdown ring  M 42x1 mm to M39x1 mm for the lens thread. Would be nice to get this machined.  The lens is a Rodagon 5,6  80 mm. Fortunately, a reverse ring M40,5x 0,5  to M 39x1  (RAF Camera Austria) fits the lens, the follows an M39x1 extension tube of 60 mm (Leica thread) to a stepup ring M39x1 to a  T2 thread. A further adaptor from a Leica R mount tt T2 is necessary, then the bellows and finally a Leica R to Fuji XF adaptor. That all sounds complicated,  most important is the legth of the plastic tube and the extension between the frot tread of the lens to the XF adaptor, about 15cm. Then you get the magnification needed for the APS-C frame. It takes some patience  and finally you must try it out to achieve a sharp image.  The number of different rings comes from the lot of stuff I still had in my craft box. As Mark Dunn mentioned the bellows facilitate focussing, but most decisive is the plastic tube. Once you have the lens mounted the extension for the proper size can be made by different means. 

[Daniel D. Teoli Jr.]

Nice work OP!

I need a sprocket less scanner. Some of my films are pretty bad. 

I have a short piece I need to cut out of a DVD and post. Some guys worked on 65mm and 70mm Apollo 11 film. They said they built a scanner doing 8 K and 16K. 

[Dr. Thomas Faehrenkemper]

Forgot to mention, that you must use the electronic shutter, otherwise, the huge amount of frames will ruin your camera.

[Dr. Thomas Faehrenkemper]

Another sample, expired Kodak Plus-X 7276, movie taken in 2022, home processing in ORWO A71 plus 3g/l KBr (makes A74).

 

[Dr. Thomas Faehrenkemper]

Well, now I applied all the simple principles to build a Super 8 scanner with an old Noris projector and a used but fine Pansonic GH6. Here is a short movie taken with a Beaulieu 4008 on Fomapan R100, homeprocessed and edited in Edius 9.55. Have fun!

 

Edited December 22, 2024 by Dr. Thomas Faehrenkemper

[Dan Baxter]

On 10/9/2024 at 9:46 AM, Daniel D. Teoli Jr. said:

I have a short piece I need to cut out of a DVD and post. Some guys worked on 65mm and 70mm Apollo 11 film. They said they built a scanner doing 8 K and 16K. 

If you mean this:

That is not a NASA rocket, it's a US military intercontinental ballistic missile (ICBM) launch printed on US Military 10-perf 70mm film. That scanner is purpose-built for formats that nothing else really scans (mainly 15-perf IMAX). It would have been printed off a 10-perf 65mm negative.