…. the Leica 75mm F1.4 Summilux-M’s optical design is a derivative of the Leica 50mm Noctilux-M of the time. Dr. Mandler is generally considered as placing a high value on a lens’ character – how it draws a scene. Common traits amongst Dr. Mandler lenses are smooth bokeh and the famed Leica glow. The 75mm Summilux is said to be Dr. Walter Mandler’s favorite lens. Dr. Karbe’s lenses are well known for their resolving capabilities and optical corrections, such as APO’s. Some would say in his quest for technical exactness, Dr. Karbe is willing forsake optical aesthetics – some insights from a 2008 interview. Just as there are different optical philosophies, the 75mm Summilux-M has several personalities as well. Shot at F1.4 the lens is soft, but exhibits the Leica glow so many Leica fans seek. At F2-F2.8 the 75mm Summilux-M sharpens up, but still retains a pleasing bokeh. At F5.6-F8 the 75mm Summilux-M is very sharp and easily out-resolves the Leica M-240’s 24 MP sensor. I have good and bad days the 75mm Summilux…..

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LEICA 75MM F1.4 SUMMILUX-M PEBBLE PLACE reviews