to 3.1–10× magnification, with a maximum aperture of f/4.1-f/5.6 (the aperture changes slightly with the magnification). Adding a supplementary −0.9 diopter lens turns the unit into a Betavaron 5,3...17, and changes the magnification range to 5.3–17×, and the maximum aperture to f/5.4-f/5.7. Motion picture lenses Schneider produced its first cinema projection lenses in 1915. Cinegon 10mm f 1.8 (16mm format) 11.5mm f1.9 16mm f 1.4 C-mount Super-Cinelux A range of projection lenses for 35mm and 70mm motion picture film with an aperture of f/2. 24 mm f/2 (for 35 mm) 26 mm f/2 28 mm f/2 30 mm f/2 32.5 mm f/2 35 mm f/2 37.5 mm f/2 40 mm f/2 42.5 mm f/2 45 mm f/2 47.5 mm f/2 50 mm f/2 52.5 mm f/2 55 mm f/2 57.7 mm f/2 60 mm f/2 (for 35 mm or 70 mm) 65 mm f/2 70 mm f/2 75 mm f/2 80 mm f/2 85 mm f/2 90 mm f/2 95 mm f/2 100 mm f/2 ES Super-Cinelux 2X Available as either anamorphic converters for prime lenses longer than 42.5 mm, or as standalong anamorphic projection lenses, in focal lengths from 42.5 mm to 100 mm. Super-35-Cinelux The Super-35-Cinelux is a line of projection lenses designed for 35 mm film. Lenses of 55 mm focal length and shorter are 7 elements, and 60 and longer are 6, with no cemented surfaces to avoid any possible damage due to heat. 42.5 mm f/2 47.5 mm f/2 50 mm f/2 55 mm f/2 60 mm f/2 65 mm f/2 70 mm f/2 75 mm f/2 80 mm f/2 85 mm f/2 90 mm f/2 95 mm f/2 100 mm f/2 Cinelux-Ultra 30–45 mm Cinelux-Première A projection lens incorporating aspheric elements to correct for spherical aberration. They feature a variable aperture with an aperture range from f/1.7 to f/4. These are available in normal or anamorphic models. 57.5 mm f/1.7 60 mm f/1.7 62.5 mm f/1.7 65 mm f/1.7 67.5 mm f/1.7 70 mm f/1.7 72.5 mm f/1.7 75 mm f/1.7 77.5 mm f/1.7 80 mm f/1.7 82.5 mm f/1.7 85 mm f/1.7 Cine-Xenon A 6-element double gauss lens. 26 mm f/2.8 30 mm f/2 35 mm f/2 35 mm f/2.8 40 mm f/2 45 mm f/2 45 mm f/2.8 50 mm f/2 50 mm f/2.8 55 mm f/2 60 mm f/2 60 mm f/2.8 65 mm f/2 70 mm f/2 75 mm f/2