Zeiss 28mm F1.4 Otus ZE

28mm F1.4 Otus ZE 

Uncompromising performance across the entire image field makes this full-frame lens unique and sets new standards among wide-angle focal lengths. Raise your photos to a totally new dimension by capturing even the tiniest details of your subject.
Like all focal lengths of the unique ZEISS Otus® family, the Otus 1.4/28 is in a class all of its own. A lens that incorporates the extensive know-how and all the experience of ZEISS.
Use the Otus® 1.4/28 from ZEISS and experience the quality and look of a medium format lens. Whether you are shooting landscape, architecture or interiors, during the day or at night – this lens will provide you with high resolution and outstanding definition regardless of the situation.
The optical correction of the Otus 1.4/28 prevents practically any aberration you can think of. It will just keep on fascinating you – even after many years of use and also on high-resolution systems.
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 breath-taking rendition of even the finest details.

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.

Apochromat
Because this lens is an apochromat, chromatic aberrations (axial chromatic aberrations) 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 colour artifacts.

Virtually distortion-free optics
Dramatic perspectives and a view from extraordinary image angles – ZEISS lenses open up new composition possibilities. Distortion would disrupt the composition because straight lines, whose image does not go through the image centre, would be reproduced with a curved shape. This annoying effect is accordingly and largely compensated through elaborate optical designs at all focal lengths.

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.
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.
Specifications:
Focal length 28 mm 
Aperture range f/1.4 – f/16
Camera mount Canon EF-Mount* (ZE) | 
Format compatibility Full Frame
Focusing range 0,30 m (11.81") – 
Free working distance 0,15 m (5.91") – 
Angular field** (diag. | horiz. | vert.) 75° / 65° / 46°
Diameter of image field 43 mm (1.69")
Coverage at close range (MOD)** 203 x 134 mm (7.99 x 5.27")
Image ratio at minimum object distance 1 : 5.5
Lens elements | groups 16 / 13
Flange focal distance ZE: 44 mm (1.73") | 
Entrance pupil position (front of image plane) 133 mm (5.23")
Features Autofocus –
Image Stabilization –
Physical Filter thread M95 x 1.00
Rotation angle of focusing ring 120°
Diameter max. ZE: 109 mm (4.29") |
Diameter of focusing ring ZE: 88 mm (3.45") |
Length (with lens caps) ZE: 154 mm (6.06") |
Length (without lens caps) ZE: 137 mm (5.39") |
Weight ZE: 1390 g (3.06 lbs)