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Leica D Summilux 25mm/F1.4 ASPH 4/3rds Lens
The LEICA SUMMILUX 25mm/F1.4 lens (35mm equivalent: 50mm) is a bright, large diameter F1.4 standard lens incorporating an aperture ring. It incorporates as many as ten lens elements in nine groups, including a large-diameter aspherical lens for superb optical performance and F1.4 brightness, a super ED (extra-low dispersion) lens and three ED lenses to reduce colour bleeding to a minimum.
| MTF Chart | Lens Construction |
Lenses manufactured with uncompromising devotion to high image quality
The production process for Lumix G and LEICA DG lenses is conducted in ‘clean rooms’ to rigorous environmental standards. Now acclaimed worldwide, our UA3P Ultra-Accurate 3D Profilometer, with its measurement accuracy of 1/10,000mm, gives objective numerical evaluations and detects flaring, colour coatings and the ‘feel’ of the focus ring.
An original lens-drive motor for high-precision high-speed contrast AF
Lumix G and Leica DG lenses incorporate a unique ‘stepping motor’ with a screw unit in the motor shaft that moves the focus lens directly, without relay gears or cams. Information transfers from lens to camera faster, making auto focus swift and accurate with reduced drive noise for better movie recording.
Mega OIS
Designed to compensate for hands-shake ‘blur’, the MEGA O.I.S’s internal LSI compensates by processing the output of the gyrosensors at approximately 4,000 times a second. What you see in the Live View Finder or LCD image is what you get in the shot (especially effective when using a zoom lens).