#35mm slide projector manual#
#35mm slide projector license#

Whereas Bryce used DIP switches to configure timing and set the number of slides to be photographed, with ESP8266 it’s easy to write a small web application to configure these parameters. ESP8266 has one big advantage over AVR and Arduino it supports WiFi communications and can implement a web server.

The ESP chips have similar GPIO capabilities to AVR or Arduino, and can be programmed using the Arduino development environment.

I wanted to do something similar but using the ESP8266 microcontroller. I used the camera’s ability to bracket exposures to take three images of each slide, at the automatice exposure and +/- 2/3 of a stop.ī A Bryce noted that he had used an AVRTiny2313 to automate to advancing of slides and triggering of the camera shutter. Photos were taken in raw mode, to preserve flexibility over setting exposure and white balance in post-processing.

#35mm slide projector manual#

The camera was set to manual focus, and aperture-priority automatic exposure. The lens aperture can be opened up to f/2.8 for accurate focusing, and then closed down to f/8.0 for optimal sharpness and a depth of field somewhere between 1-2mm, which is fine to ensure sharp focus right across the slide. With a slide in position, one has to carefully position the camera and projector so that the lens is centred on the slide, its axis is perpendicular to the slide (to ensure no keystone distortion), and the distance from camera to slide is such that the image almost fills the sensor. The camera lens is pointed into the hole at the front of the projector, where the objective lens would normally be. It’s a manual focus lens but that’s absolutely no problem for this project. It’s good value and gets great reviews for image quality. I chose the 7artisans 60mm f/2.8 macro lens, which is capable of up to 1:1 reproduction. So a macro lens of 1:2 reproduction ratio is sufficient. The camera I use, a Panasonic Lumix G1, is micro four-thirds format, with a sensor size of 18mm x 13.5mm, i.e. The camera requires a macro lens, one that can photograph the slide (36mm x 24mm) at somewhere between life-size and half life-size, depending on the size of the camera sensor. By removing the front, objective, lens from the projector, and also covering the internal condenser lens with white acrylic square to diffuse the light, the projector becomes effectively a high-illumination lightbox, with a slide-changer mechanism attached. I used a Kodak Carousel S-AV 1050 projector. I want to digitise these, and I took inspiration from various projects listed below, the common approach being to use a DSLR camera and a Kodak Carousel slide projector. Some were taken by me or my wife in the 80s and 90s. Some were taken by my father-in-law in the 1950s, 60s, 70s and 80s. We have a large collection of 35mm photo slides. Digitising 35mm slides quickly using a projector, DSLR camera and a microcontroller The problem Arduino ESP8266 sketch to control a slide projector and camera, in order to digitise slides at high speed. If you would like to publish text from MoMA’s archival materials, please fill out this permission form and send to. If you would like to reproduce text from a MoMA publication, please email. For more information about film loans and our Circulating Film and Video Library, please visit. For access to motion picture film stills for research purposes, please contact the Film Study Center at. Motion picture film stills cannot be licensed by MoMA/Scala.

#35mm slide projector license#

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