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  "path": "/2026/04/23/this-forgotten-photographic-invention-was-a-short-lived-game-changer/",
  "publishedAt": "2026-04-23T21:04:15.000Z",
  "site": "https://petapixel.com",
  "tags": [
    "Analog",
    "News",
    "Spotlight",
    "flexameter",
    "history",
    "kuhn",
    "leica",
    "leitz",
    "mathieustern",
    "viewfinder",
    "Read More"
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  "textContent": "When Leica ushered in the era of 35mm photography over a century ago, it did not immediately offer a coupled rangefinder (that came in 1932). Precise focusing was difficult with early Leica cameras, so other companies filled the void and offered useful accessories to early photographers. A particularly cool, stylish example is the Kühn Flexameter designed for Leica cameras.\n\n[Read More]",
  "title": "This Forgotten Photographic Invention Was a Short-Lived Game Changer"
}