Voigtländer 10.5cm f4.5 APO-Lanthar - Lens

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Model Details

Large format system lens with Copal #0 shutters made mainly for medium format use by Voigtländer. Normal focal length for 6x9, as it is 45mm equivalent. Does not cover 4x5. Apochromatic optical design. Metal construction in silver and black finish with distinct colored stripes around the barrel.

  • Voigtländer 10.5cm f4.5 APO-Lanthar
  • Image circle: 116mm
  • Aperture blades: 10
  • Maximum aperture: f4.5
  • Copal #0: 34.6mm
  • Size: 60 x 35mm
  • Weight: 199g (on a small 82 x 75mm Linhof board)
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Large Format

Large format photography encompasses any format larger than medium format (120). Usually, this refers to formats 4x5 inches (9x12cm) or larger. At one point, there were other formats like half or quarter plate, but nowadays there are 3 common formats; 4x5, 5x7, and 8x10. Sizes larger than 8x10, such as 11x14, are called Ultra Large Format (ULF).

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