Panasonic Leica D Summilux Asph 25mm F1.4

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Panasonic Leica D Summilux Asph 25mm F1.4
Lux Lux 7603 (4541946589) (cropped).jpg
MakerPanasonic
Lens mount(s) Four Thirds
Technical data
Type Prime
Focus drive Micromotor
Focal length25 mm
Focal length (35mm equiv.)50 mm
Aperture (max/min)f/1.4–16
Close focus distance0.38 metres (1.2 ft)
Max. magnification0.18
Diaphragm blades7
Construction10 elements in 9 groups
Features
Manual focus override X mark.svg No
Weather-sealing X mark.svg No
Lens-based stabilization X mark.svg No
Aperture ringYes check.svg Yes
Physical
Max. length75.0 millimetres (2.95 in)
Diameter77.7 millimetres (3.06 in)
Weight510 grams (1.12 lb)
Filter diameter62 mm
Accessories
Lens hoodpetal shaped hood
Angle of view
Diagonal47°
History
Introduction2007

The Panasonic Leica D Summilux Asph 25mm F1.4 is an interchangeable camera lens announced by Panasonic on March 7, 2007.

Contents

Design

The lens uses 10 elements in 9 groups, arranged as a double Gauss type, with one aspherical, three extra-low dispersion (ED), and one super ED element. It was announced in March 2007, with availability starting that April. [1]

Reception

As reviewed in 2010, the lens exhibited little distortion and offered close to maximum resolution wide-open, improving slightly at f/2. [2] Resolution on the frame's edge was weaker, though, due to chromatic aberration and visible coma at maximum aperture. [3]

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References

  1. "Sales Under Way of the Second Leica Lens Designed Specifically for the Digital SLR camera: LEICA D SUMMILUX 25mm/F1.4 ASPH" (Press release). Panasonic. March 2007. Archived from the original on June 10, 2009.
  2. Schroiff, Klaus (April 2010). "Leica D Summilux 25mm f/1.4 - Review / Test Report". OpticalLimits. Retrieved 27 November 2023.
  3. Olech, Arkadiusz (5 June 2009). "Lens Review: Leica D Summilux 25 mm f/1.4". LensTip. Retrieved 27 November 2023.