Sigma Classic Art lens series (1994) with eight prime focal lengths (20–135mm, f/2.8), ED glass and ELD coating. Manual focus only; 40–60% cheaper than Zeiss/Leica equivalents; distinctive rendering.
Technical Details
The series comprised eight prime lenses: 20mm, 24mm, 28mm, 35mm, 50mm, 85mm, 105mm, and 135mm, all with an f/2.8 aperture. The lenses utilized ED (Extra-low Dispersion) glass to minimize chromatic aberrations and a special ELD (Electron Beam Coating) for reduced reflections. The filter thread was consistently 62mm, and the weight ranged from 285g (35mm) to 520g (135mm). All models featured an aperture ring with 1/2-stop clicks and a minimum focusing distance between 0.2m (50mm) and 1.5m (135mm).
History & Development
Sigma introduced the Classic Art series in 1994 in response to the growing demand for high-quality third-party lenses. Development took four years and cost $12 million USD. A revision in 2002 brought improved coatings and optimized mechanics. With the introduction of the Art series in 2012, Sigma ceased Classic Art production after approximately 180,000 units had been sold.
Practical Use in Film
Cinematographer Roger Deakins used the 50mm Classic Art for close-ups in "The Man Who Wasn't There" (2001), as it produced a characteristic image rendering with smooth bokeh transitions. The series was favored for low-budget productions, being 40-60% cheaper than comparable Zeiss or Leica lenses. Due to their purely manual operation, they were particularly suitable for follow focus systems and precise focus pulls.
Comparison & Alternatives
In contrast to Sigma's contemporary EX series, Classic Art lenses deliberately omitted autofocus and image stabilization in favor of more robust mechanics. Modern alternatives include the Sigma Art series (from 2012) or Zeiss Classic lenses, which are, however, 200-300% more expensive. While current lenses are optimized for digital sensors, Classic Art lenses exhibit their characteristic image aesthetic with increased micro-contrast on 16mm and 35mm film.