• Source: Summilux

    • The name Summilux is used by Leica and Panasonic Lumix to designate camera lenses that have a maximum aperture brighter than f/2, typically at f/1.4, but dimmer than f/1.0. The lens has been in production since 1959 and carries on to the present day.


    History


    The name Summilux is a combination of Summum, which is the Latin word for highest, while Lux is for light. The first Summilux was the 50 mm of 1959, followed by a new 50 mm Summilux design in 1961, whose optics remained unchanged until replaced by the 50 mm Summilux-M ASPH of 2004.


    Description


    The Summilux lenses have a maximum f-number of f/1.4, f/1.5 or occasionally f/1.7. This one to 1.5 stops lower than Leica's Noctilux lenses, but the Summilux lenses are smaller as a result. Summilux lenses are designed for low-light photography.


    Market position


    The Summilux lenses are less expensive than the Noctilux lenses, which has a smaller f-number. However they are bigger, heavier and more expensive than the Summicron.


    List of Summilux lenses



    For the Leica M mount

    Summilux-M 21 mm f/1.4 ASPH.
    Summilux-M 24 mm f/1.4 ASPH.
    Summilux-M 28 mm f/1.4 ASPH.
    Summilux 35 mm f/1.4
    Summilux-M 35 mm f/1.4 ASPH. FLE Version V
    Summilux-M 35 mm f/1.4 ASPH. FLE "Short Focus" Version VI
    Summilux 50 mm f/1.4
    Summilux-M 50 mm f/1.4 ASPH.
    Summilux-M 75 mm f/1.4
    Summilux-M 90 mm f/1.5 ASPH.
    For the Leica R mount

    Summilux-R 35 mm f/1.4
    Summilux-R 50 mm f/1.4 1st version
    Summilux-R 50 mm f/1.4 2nd version
    Summilux-R 50 mm f/1.4 3rd version – 1997 (ROM contacts)
    Summilux-R 80mm f/1.4
    For the Leica L Mount

    Summilux-TL 35 mm f/1.4 ASPH.
    Summilux-SL 50 mm f/1.4 ASPH.
    For the Four Thirds mount

    For the Micro Four Thirds mount

    Panasonic Leica DG Vario-Summilux 10–25 mm f/1.7 ASPH.
    Panasonic Leica DG Summilux 12 mm f/1.4 ASPH.
    Panasonic Leica DG Summilux 15 mm f/1.7 ASPH.
    Panasonic Leica DG Summilux 25 mm f/1.4
    Panasonic Leica DG Summilux 25 mm f/1.4 II ASPH.


    References




    External links


    Summilux.net lens review site www.summilux.net
    Overgaard Leica 35mm Summilux article www.overgaard.dk/leica-35mm-Summilux-M-ASPH-f-14.html/
    Overgaard Leica lens compendium of all Summilux lenses www.overgaard.dk/leica_lens_compendium.html/

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