Slide projectors get smarter all the time. CBИTЯ3ъ, Russia: 'ABTO' ceased production.Zett, Germany (1928–1989): 'Fafix', 'Zett', 'Zettomat', 'Perkeo' → Leica Projektion GmbH Zett Gerätewerk, Germany (1990–2004).Zeiss Jena, Germany → Pentacon, Germany.Silma, Italy → Bauer and Rollei ceased production.Rollei, Germany (1960–2007): ' Rolleiscop', ' Rolleivision' → Franke & Heidecke, Germany (2007–2009): 'Rolleivision' → DHW Fototechnik, Germany (2009–2015): 'Rolleivision' ceased production.Queen, Germany: 'Automat' ceased distribution.Prestinox, France → Plawa Condor (1969–?) ceased production.Pentacon, Germany: 'Aspectar', 'Malicolor' ceased production.Ernst Plank, Germany: 'Noris', 'Trumpf' ceased production.Minox, Germany: 'Minomat' ceased production.Malinski, Germany: 'Prokyon', 'Malicolor' → Pentacon.Liesegang, Germany: 'Fantax', 'Diafant', 'Fantimat' ceased production.Leitz, Germany (1958–): 'Prado' → Leica Projektion GmbH Zett Gerätewerk, Germany (1990–2004): ' Pradovit', ' Pradovit RT' → Leica Camera, Germany (2004–2006): 'Pradovit' ceased production.Kindermann, Germany: 'Diafocus' → Leica.Foto Quelle, Germany: 'Revue' ceased distribution.VEB Feinmess, Germany ceased production.Eastman Kodak (–2004): 'Carousel-S', ' Ektagraphic', ' Ektapro' → Leica.VEB DEFA, Germany: 'Filius'→ VEB Gerätewerk Friedrichshagen: 'Filius' ceased production.Braun Foto Technik, Germany: ' Paximat', ' Multimag' → Reflecta.Braun AG, Germany: 'D', 'PA' ceased production.Bell & Howell / TDC, US: 'Headliner' ceased production.Bauer, Germany → Bosch ceased production.List of known manufacturers of slide projectors: Large-format slide projectors for use on stages, at large events, or for architectural and advertising installations where high light output is needed.Stereo slide projectors project two slides simultaneously with different polarizations, making slides appear as three-dimensional to viewers wearing polarizing glasses.Single slide projectors (manual form).This form of projection also avoids the audience interrupting the light stream by casting their shadows on the projection or by bumping into the projector. Alternatively, the image may be projected onto a translucent 'rear projection' screen, often used for continuous automatic display for close viewing. Light passes through the transparent slide and lens, and the resulting image is enlarged and projected onto a perpendicular flat screen so the audience can view its reflection. This glass transmits visible wavelengths but absorbs infrared. reflector and 'condensing' lens to direct the light to the slideĪ flat piece of heat-absorbing glass is often placed in the light path between the condensing lens and the slide, to avoid damaging the latter.electric incandescent light bulb or other light source (usually fan-cooled).It included a dissolving views apparatus. 1881Ī continuous-slide lantern was patented in 1881. The example pictured is a Kodak Carousel model 4400, dating from the mid-1980s. Photographic film slides and projectors have mostly been replaced by image files on digital storage media shown on a projection screen by using a video projector or simply displayed on a large-screen video monitor.Ī carousel slide projector. Slide projectors were also widely used in educational and other institutional settings. Reversal film was much in use, and supplied slides snapped during vacations and at family events.

Opto-mechanical device for showing photographic slides A 1960 slide projector Light pathĪ slide projector is an opto-mechanical device for showing photographic slides.ģ5 mm slide projectors, direct descendants of the larger-format magic lantern, first came into widespread use during the 1950s as a form of occasional home entertainment family members and friends would gather to view slide shows.

35 mm slide projector