Many art historians still refer to slide-based artworks as slide-tape. In its heyday processing costs for slides were relatively low and they were widely used in contexts ranging from domestic to commercial applications such as advertising, fashion and industry as well as academia and the arts. Both 16 mm and 8 mm film are moving image media and hence produce a very different quality of image. The only other format that was readily available on a similar budget, without the need of professional post-production, was 8 mm film produced for the home movie market. Alternative technologies such as 16 mm film involved a far more elaborate production process. Video technology, for example, could only produce a fraction of the quality. Even if money were no object, no other medium could compete with the ability of slides to produce large-scale projected images of comparable excellence. During the 35 years of their popularity, from 1960s to the mid-1990s, 35 mm slides were a cheap and easy way to create high-quality projected images in a technological environment that offered few, if any, viable alternatives. Kodak’s commercial slogan during the 1950s was: ‘ For sparkling pictures big as life … Kodak 35mm colour slides’. A 35 mm slide can be magnified by a factor of 100 (from 35 mm to 3,500 mm) and still maintain a crisp and detailed projected image. A slide is a high-resolution positive photograph that is exemplary in its accurate colour reproduction and versatility. The 35 mm slide transparency is a hybrid medium that belongs on a continuum between still photography and motion-picture film and combines qualities of both technologies. All three terms: slide, transparency and dia describe an ephemeral presence, a state in which a picture is formed, lasts and disappears. Transparent breaks down into trans (beyond, across) and parere (to appear, be visible, be seen, etc.).
In most Romance languages ‘slide’ is translated as diapositive: dia (through, between). In contrast to negative-based film, reversal film is photo-chemically processed as a positive image. Without this mount, the transparent film material would not be able to ‘slide’ from one image to another inside a carousel or magazine when projected. This article was also published here and shared with permission.‘Slide’ commonly refers to a 35 mm photographic positive image comprising chromogenic dyes on a transparent base held inside a plastic or card mount. You’ll find more of Cheng’s work on his website and YouTube channel. Through the various manuals, books, websites found on Internet, he managed to learn the wet plate collodion photography and Kallitype Printing process on its own. This time he is attracted by the large negative size offered by a large-format camera.Īt the same time, he started to explore deeper into the roots of photography and the various 19th-century photographic processes. After dabbling in digital photography, he found himself being drawn back to film photography a few years ago. He started shooting using film cameras using the 35mm film format. About the AuthorĬheng Qwee Low has been doing photography including traditional darkroom printing since 2003. There is certainly room for improvements but that will be for another DIY made. You will need a very dim room to enjoy the slides at a view distance of 3 meters. While this slide projector is not bright enough to be used in an auditorium, it is good enough for a personal viewing of 4×5 slides at home. Hooya! I was able to get a good image on the screen! I was certainly very impressed and I to be able to see my large format slides on such a big screen finally! Conclusion For testing, I set up a piece of 5feet white fabric backdrop mounted across two light stands and was placed to see about 3 meters from the slide projector in a dark room with all the lights off.
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