PRODUCT HIGHLIGHTS
For Canon EF Mount DSLR Cameras
Optimized for Full-Frame Camera Sensors
f/1.4 - f/16 Aperture Range
Zeiss T* Anti-Reflective Lens Coating
Floating Elements Design
All-Metal Lens Housing
Manual Focus, 20" Close Focus Distance
77mm Filter Thread
Highly Visible Yellow Scale Markings_
Is a focal length of 55 mm always neither here nor there? A lacklustre lens somewhere between the excitement of super wides and the fascination of long teles? Not when it combines the more than 120 years of optical and mechanical excellence ZEISS is famous for throughout the world.
Experience the quality and look of medium format photography __ with the ZEISS Otus_ 1.4/55. No matter whether you shoot in daylight or at night, close up or more distant subjects, people, objects or landscapes, this lens will simply take your breath away with its high resolution and outstanding sharpness in every photographic situation.
Technical specifications:
| Focal length | 55 mm |
| Aperture range | f/1.4 __ f/16 |
| Focusing range | 0,5 m (19.68 __) __ __ |
| Number of elements/groups | 12/10 |
| Angular field, diag./horiz./vert. | 43,7_ / 36,7_ / 24,9_ |
| Coverage at close range | 246 x 163 mm (9.69 x 6.42__) |
| Filter thread | M77 x 0.75 |
| Dimensions (with caps) | ZF.2: 141 mm (5.55 __)
ZE: 144 mm (5.66__) |
| Diameter of focusing ring | ZF.2: 83 mm (3.27__)
ZE: 83 mm (3.27__) |
| Weight | ZF.2: 970 g (2.22 lbs)
ZE: 1030 g (2.43 lbs) |
| Camera mounts | F Mount (ZF.2)
EF Mount (ZE) |
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Otus 1.4/55
Design
Otus 1.4/55
In contrast to its predecessors with similar focal lengths and speed, this is first time that the Distagon type has been selected for the optical construction of a standard lens. Only this optical design with its considerably longer construction makes it possible to already realise consistently excellent correction from corner to corner of the frame and extremely low image field curvature at a very large initial aperture.
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Features
Otus 1.4/55
The ultimate in image contrast
Aberrations caused by extreme differences between shadows and highlights are particularly obvious in images captured at night. Thanks to the outstanding correction of lateral chromatic aberration, the floodlit facade is reproduced with absolute perfection.
No colour fringing
Sources of light located in front of or behind the plane of focus present particular challenges to every lens. In the case of the ZEISS Otus, longitudinal chromatic aberration is so low that practically no colour fringing occurs.
The medium format look
Thanks to its exceptional sharpness, the ZEISS Otus exploits the full potentials of contemporary high-resolution sensors and rewards photographers with images characterised by breathtaking rendition of even the finest details.
Apochromat
Because this lens is an apochromat, chromatic aberrations (axial chromatic aberations) are corrected with elements of special glass with anomalous partial dispersion. The chromatic aberrations are therefore significantly below the defined limits. Bright-dark transitions in the image, and especially highlights, are reproduced almost completely free of color artifacts.
Aspherical design
The aspherical lens design ensures consistent imaging performance throughout the entire focusing range as well as sharpness to the periphery of the image. The asphere's more complex surface profile can reduce or eliminate spherical aberration and also reduce other optical aberrations compared to a simple lens.
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