Leica 40mm f/2.4 Review: The Franken-Lens That Defies Convention——When Salvaging a Point-and-Shoot Gem Becomes an Act of Rebellion

The Sacrilegious Resurrection

In the pantheon of Leica optics, the Summarit 40mm f/2.4 occupies a heretical throne—a lens born in the Minilux/CM compacts, now reborn as an M-mount rogue. While purists decry “camera murder,” this 400Frankenstein(bodybutchery+400Frankenstein(bodybutchery+200 adaption fee) delivers 90% of a Summicron’s soul at 30% the cost. Your moral dilemma? Let’s call it creative recycling.


Optical Autopsy

1. Heritage DNA

  • Design: 6 elements/4 groups, cloned from 1973’s Summicron-C 40mm f/2
  • Aperture: f/2.4—Leica’s cheeky nod to non-conformity
  • Coatings: 1990s-era anti-flare witchcraft (pre-ASPH mystique)

2. Size Matters

  • Dimensions: 45mm x 35mm—smaller than a Summicron collapsible
  • Weight: 180g (lighter than your smartphone)

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