Leica D Summilux 25mm f/1.4 Aspherical SLR lens is manufactured by Panasonic on design specifications from Leica. Lens is designed as 4/3 system for DSLR camera and is compatible with any camera that supports this standard like Pentax. Leica D Summilux can be used for any shooting situations and produces quality results.
This Leica lens has single focal length of 25mm with a wide and extremely bright aperture of f 1.4 which makes it an equivalent of 50mm in 35mm terms. This level of standard is good enough to produce superb pictures. Lens has ten numbers of elements in nine groups that include an aspherical lens and four low dispersion glasses. This aspherical lens is a large diameter lens that reduces the light degradation to produce high level of optical performance. Front lens element is also large in diameter ensuring the necessary light levels. The whole combination reduces distortion and produce high contrast images of high resolution.
Since there are three ED and one super ED lens, color bleeding is reduced due to suppression of chromatic aberration. Leica D Summilux has 7 round-shaped aperture blades that help to produce smooth results in situations that are out of focus. Lens is extensively coated with multi layers as per Leica standard that helps to deliver extreme results by reducing flare and ghosting. It has both focusing ring as well as aperture ring for easy and smooth operation just like that of traditional film camera.
Apart from smoothness, the rubber-clad manual focusing ring does not stop at far and near focus and continues running. Lens provides three shutter speed benefit over the other lens since it has OIS stabilizer system. There is light falloff support for safety. Leica D Summilux 25mm is 3.6 inches in size, light with weight of 525g and is made of high quality polycarbonate body. Lens is supplied with Lens pouch, Lens shade, Lens hood, Lens cap and comes with one year of warranty.
Lens accepts filter size of 62mm and supports closest focus distance of 0.38 meters. At this closest distance, floating focus mechanism produces good macro shots but magnification ability of lens is not that high having 1:10.4 of maximum magnification ratio. Speed of lens is quite acceptable. Lens, if used with Panasonic L1, can produce very high quality and powerful combination. At price tag of about $800, Leica D Summilux 25mm f-1.4 SLR is a good general purpose choice because of its excellent optical results under different conditions.
Wed, 06 Jan 2010 13:05:00 +0000
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