Leica M Monochrom

In 2012, Leica introduced an idea so simple it seemed obvious in retrospect: remove the Bayer color filter array from the M9's CCD sensor, so every photosite captures only luminance. The result was the Leica M Monochrom — the first production digital camera designed exclusively for black-and-white photography.

Without the color filter array, the sensor gains roughly one stop of effective sensitivity and eliminates the demosaicing interpolation that costs some fine detail. The images are sharper, the grain structure is more film-like, and the tonal rendering has a depth that color-converted RAW files cannot fully replicate. For a photographer committed to B&W, it is a fundamentally different tool. At $7,950, it was a camera for the committed — you could not shoot a color frame with it even if you wanted to. That constraint turned out to be liberating. The M Monochrom established a product line Leica still maintains today (M11 Monochrom, M60 Monochrom), and it demonstrated that there is a meaningful market for cameras that do one thing supremely well rather than everything adequately.