Manufactured or assembled in France from 1934 to 1935.
Index of rarity in France: Infrequent (among non-specialized garage sales)
Inventory number: 7024

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Chronology of cameras Lumiere 

The Dialux cameras are luxurious folding cameras that were featured in Lumière's catalogs from 1931 to 1936. In the first year, the model was only available in the 6.5 x 11 format, as Lumière still offered the Nada in 6 x 9. The Dialux in 6 x 9 cm format was introduced in 1932, and both formats coexisted until the end of production. These cameras were automatic, meaning that when opened, the folding bed unfolded completely, and the lens had to be in position without further intervention. The scissor mechanisms underwent some modifications. In 1931, they had the same shape as those of the Nada. From 1932 onwards, their shape changed and remained the same until the end of production. Some models had a folding bed release lever on the bed itself.

The cameras were manufactured with an aluminum body and a reinforced metal folding bed. The covering was made of morocco leather, initially in some cases with fancy leather, imitation reptile patterns. In 1933, a version with lacquered side panels was offered alongside the fully covered variant. There were two viewfinders, except on some examples with lacquered side panels, which had only the frame viewfinder. The frame viewfinder momentarily changed its position in 1932 to be centered relative to the lens axis. The strut stand could be ornate, featuring a design that incorporated the logo. This shape was present on the early variations.

The shutter was relatively simple, with speeds up to 1/100. At the beginning, it was sometimes referred to as a "Vario," but Lumière, claiming French manufacture, often remained discreet about its branding. A self-timer feature appeared in 1934.

The bellows were made of leather.

Two lenses were offered throughout the model's production. These were the Nacor f/6.3 and the Spector f/4.5. Starting in 1931, some catalogs featured other French lenses: Lumière Nacor 6.3, Boyer Topaz 6.3, Roussel Trylor 6.3, or Berthiot 6.3, as well as Lumière Spector 4.5, Boyer Topaz 4.5, Roussel Trylor 4.5, or Berthiot 4.5. It's challenging to determine how long these lenses were offered, as their absence from catalogs could be due to distributor preferences not to clutter with numerous variants.

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