Zeiss Touit 2.8/12

Last updated
Zeiss Touit 2.8/12
Zeiss Touit Distagon 12mm 2,8 Lens.jpg
Zeiss Touit 12mm 2.8
Maker Zeiss
Lens mount(s) Fujifilm X-mount, Sony E-mount
Technical data
Type Prime
Focal length12mm
Focal length (35mm equiv.)18mm
Image format APS-C
Aperture (max/min)f/2.8-22
Close focus distance0.18 metres (0.59 ft)
Max. magnification0.11
Diaphragm blades9
Construction11 elements in 8 groups
Features
Manual focus override Yes check.svg Yes
Weather-sealing X mark.svg No
Lens-based stabilization X mark.svg No
Aperture ringOnly in X-mount
Applicationlandscape, architecture, interior
Physical
Max. length86 millimetres (3.4 in)
Diameter82 millimetres (3.2 in)
Weight270 grams (0.60 lb)
Filter diameter67mm
Accessories
Lens hoodplastic, bayonet, petal-shaped
Angle of view
Horizontal89°
Vertical66°
Diagonal99°
History
Introduction2012

The Zeiss Touit 2.8/12 is an interchangeable APS-C wide-angle camera lens announced by Zeiss on September 18, 2012. Zeiss used a diagnostic optical design for this lens. [1]

Contents

Build quality

The lens has a simple matte-black plastic casing with a Zeiss emblem on the barrel and a rubber focus ring. Given its ultra wide-angle focal length, it is both sturdy and compact.

Optical quality

The lens is sharp in the center from wide open apertures, but needs stepping down to f/5.6 for corners to catch up. [2]

Chromatic aberrations are well controlled [3] and barrel distortion is visible when not corrected but typical for this kind of wide-angle lens. [4] Also vignetting is visible wide open but is diminished when stepping down. [5]

Resistance to flare is average, with sun stars being produced at f/11. [6]

See also

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References

  1. ↑ "ZEISS Touit 2.8/12 | Autofocus APS-C lens for Sony and Fujifilm". www.zeiss.co.uk. Retrieved 2019-06-20.
  2. ↑ "Carl Zeiss Touit 12 mm f/2.8 review - Image resolution - LensTip.com". www.lenstip.com. Retrieved 2019-06-20.
  3. ↑ "Carl Zeiss Touit 12 mm f/2.8 review - Chromatic and spherical aberration - LensTip.com". www.lenstip.com. Retrieved 2019-06-20.
  4. ↑ "Carl Zeiss Touit 12 mm f/2.8 review - Distortion - LensTip.com". www.lenstip.com. Retrieved 2019-06-20.
  5. ↑ "Carl Zeiss Touit 12 mm f/2.8 review - Vignetting - LensTip.com". www.lenstip.com. Retrieved 2019-06-20.
  6. ↑ "Carl Zeiss Touit 12 mm f/2.8 review - Ghosting and flares - LensTip.com". www.lenstip.com. Retrieved 2019-06-20.


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