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Description
The Elmarit-S 30mm f/2.8 ASPH. is equivalent, in 35mm format, to a 24mm super-wide-angle lens with a
correspondingly expansive field of view. This, and its very fast initial aperture, makes it an ideal lens for exploring
the enormous creative potentials of unusual perspectives and selective planes of focus.
When constructing super-wide lenses, immense effort must be invested to keep aberrations such as distortion or
vignetting as low as possible. Five of the thirteen lenses arranged in nine groups have anomalous partial dispersion,
and three of these are fluoride lenses with particularly low dispersion (colour scattering) characteristics for the
correction of chromatic aberration. Two lenses are also elaborately manufactured with aspherical surfaces.
Rear-group focusing ensures consistently outstanding image performance throughout the entire focusing range
and no change in the length of the lens when focusing. On top of this, its special construction provides effective
protection against water droplets and dust.
Just like all other S-Lenses, the Elmarit-S 30mm f/2.8 ASPH. is designed and constructed for maximum
contrast rendition at maximum aperture, an attribute that can only be increased very slightly, and only in the
extreme corners of images, by stopping down. For a lens with such a wide angle of view, its very low vignetting
of only 1.5 stops and distortion of only 2.8% (both at infinity) is negligible in practical use. Thanks to its superior
imaging qualities, the creative potential offered by this super-wide-angle lens can be exploited to the full
correspondingly expansive field of view. This, and its very fast initial aperture, makes it an ideal lens for exploring
the enormous creative potentials of unusual perspectives and selective planes of focus.
When constructing super-wide lenses, immense effort must be invested to keep aberrations such as distortion or
vignetting as low as possible. Five of the thirteen lenses arranged in nine groups have anomalous partial dispersion,
and three of these are fluoride lenses with particularly low dispersion (colour scattering) characteristics for the
correction of chromatic aberration. Two lenses are also elaborately manufactured with aspherical surfaces.
Rear-group focusing ensures consistently outstanding image performance throughout the entire focusing range
and no change in the length of the lens when focusing. On top of this, its special construction provides effective
protection against water droplets and dust.
Just like all other S-Lenses, the Elmarit-S 30mm f/2.8 ASPH. is designed and constructed for maximum
contrast rendition at maximum aperture, an attribute that can only be increased very slightly, and only in the
extreme corners of images, by stopping down. For a lens with such a wide angle of view, its very low vignetting
of only 1.5 stops and distortion of only 2.8% (both at infinity) is negligible in practical use. Thanks to its superior
imaging qualities, the creative potential offered by this super-wide-angle lens can be exploited to the full
Specifications
Lens Mount
|
Leica S |
Focal lenght
|
30 mm |
Filter size
|
82 mm |
Autofoсus
|
Yes |
Stabilization
|
No |
Minimum focus
|
Minimum focus |
Number of diafragm blades
|
Not specified |
Maximum aperture
|
F2.8 |
Minimum aperture
|
F 22 |
Elements / groups
|
10 / 5 |
Lenght / diameter
|
128 mm / 88 mm |
Weight
|
275 g |