Panasonic H-X025E Leica DG Summilux 25mm/f1.4 Lens

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Category: panasonic, Photography-Lenses-Mirrorless-System-Lenses, Valuable Extra: Lens Valuable Extras Package

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Digital Interchangeable Lens LEICA DG SUMMILUX 25mm / F1.4 ASPH. Based on the Micro Four Thirds System Standard

The LEICA DG SUMMILUX 25mm / F1.4 ASPH. (35 mm camera equivalent: 50mm), based on the Micro Four Thirds System standard, features outstanding brightness of F1.4 realized in the compact and light weight profile. The extraordinary brightness allows a beautiful soft focus for photo and video to be even more impressive and encourages users not to use the flash even in dimly-lit conditions. Certified with the name of world-renowned LEICA, the exceptional high image quality is guaranteed.

To the LEICA DG SUMMILUX 25mm / F1.4 ASPH., Panasonic’s Nano Surface Coating technology is newly adopted. Reflection is dramatically minimized at entire visual light range (380nm-780nm) by applying the extra-low refractive index coating with nano-sized structure on the surface of the lens. It results in the super clear picture with dramatic reduction of ghost and flare.

The lens system comprising of nine elements in seven groups uses two aspherical lenses and one UHR (Ultra High Refractive) index lens. The newly developed UHR index lens and glass mold aspherical lenses achieve uniformed description from the center to the edges.

The versatile 25mm of focal distance (Equivalent to 50mm on a 35mm camera) is suitable for wide variety of occasions. Users are free to utilize the composition, perspective and aperture control from daily snapshots including sceneries like sunsets and dimly-lit indoor shots to the deliberately creative shots taking advantage of its beautiful soft focus.

When mounted on the LUMIX G Micro System cameras, this lens can take maximum advantage of contrast AF system, which boasts both high accuracy and high speed for more stress-free shooting. Notably the performance of AF is by far superior to the phase-difference AF when fast lens with smaller F value is used. Seven blades give the aperture a rounded shape that produces an attractively smooth effect in out-of-focus areas when shooting at larger aperture settings. Highly reliable metal mount is durable enough for repeated exchange of lens.


Lens Construction 9 elements in 7 groups (2 aspherical lenses , 1 UHR(Ultra High Refractive Index)Lens )
Nano Surface Coating yes
Aperture F1.4
Mount Micro Four Thirds mount
Optical Image Stabilizer no
Focal Length f=25mm (35mm camera equivalent 50mm)
Aperture Type 7 diaphragm blades / Circular aperture diaphragm
Minimum Aperture F16
Closest Focusing Distance 0.3m / 0.98ft
Maximum magnification Approx. 0.11x / 0.22x (35mm camera equivalent)


Weight Approx. 200g / 7.05oz
Diagonal Angle of View 47°
Filter Size φ46mm / 1.81in
Max. Diameter φ63mm / 2.48in
Overall Length Approx. 54.5mm (from the tip of the lens to the base side of the lens mount) / 2.14in

Further Specifications

Standard Accessories Lens cap / Lens rear cap / Lens storage bag

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