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Carl Zeiss Distagon T*  18 mm  f/ 3.5 Z Lens

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Carl Zeiss Distagon T*  18 mm  f/ 3.5 Z lens

Carl Zeiss Distagon T*  18 mm  f/ 3.5 Z lens

Carl Zeiss Distagon T*  18 mm  f/ 3.5 Z lens


Carl Zeiss Distagon T*  18 mm  f/ 3.5 Z MTF Chart

Optical design

Carl Zeiss Distagon T*  18 mm  f/ 3.5 Z optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: Canon EF, EF-S, Nikon F (FX, DX), Pentax K

First year of production: 2008

Optical design: 13 elements in 11 groups

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Average price: $1410


Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)

Additional information:

Carl Zeiss Distagon T*  18 mm  f/ 3.5 Z

- angle of view through diagonal/width/height: 99°/90°/67°

- coverage at minimal distance: 44 х29 см

- aperture step: ½ stop

- filter diameter: 87mm

- weight: 470gr (ZF); 510gr (ZE)

Carl Zeiss Distagon T* 3,5/18 Z – ultra-wide lens suits well to the shooting of exciting moments in a dramatic  perspective, for landscape work and architectural photography.

Precise focusing mechanism with a long run of a focusing ring provides a very accurate focus adjustment. Zeiss T* multicoating provides reflexes and flare reduction and good color reproduction. Almost round diaphragm provides a nice bokeh.

Very rigid and durable fully-metal barrel made of brass with a chrome-plated bayonet. Front element doesn’t rotate during focusing. Focusing length data is not transferred to the camera. DOF scale is painted on the lens barrel for the specific aperture values being set. This lens was developed in Germany but manufactured by Cosina ( in Japan under the Zeiss quality control.

There are several mounts for Carl Zeiss Distagon T* 3,5/18 Z:

ZE – for EF (Canon) bayonet

ZF – for F (Nikon or Fuji) bayonet

ZF.2 – for F with a chip (Nikon or Fuji) bayonet

ZK – for K (Pentax or Samsung) bayonet. Manufacturing of this line stopped in September 2010


Features of Z-type lens with different bayonets:

ZE-type – aperture adjustment is possible only with camera controls. Manual aperture control ring is absent. All camera modes P, Tv, Av, M and focus confirmation are fully working. Focusing distance and aperture values are transmitted to the camera.  Some functions of autofocusing lens (A-DEP, scenes) are not supported.

ZF-type – lenses with a manual focusing without a chip and are equipped by AI aperture interface. Exposure metering and control is possible with all appropriate cameras.

When using this type of lens with cameras without AI interface you’ll get a closed diaphragm up to the preset value but metering and automatic control of the diaphragm will not possible.

ZF.2-type – manual adjustment by the ring is possible as well as a camera adjustments (you’ll have to set diaphragm manually to the maximum value which is marked by orange color and camera will work in all automatic modes). For cameras that don’t have electronic interface diaphragm adjustment will be possible only by manual preset.

ZK-type – lenses with a manual focusing which correspond to KA-standard.

Additionally lenses are equipped with electric pins.

Besides diaphragm ring may be blocked in automatic mode (green “A”). Thus exposure control and other parameters adjustment (time, aperture and program mode) are possible with these camera types.

Links to online resources:
PDF Files:
Posted by: dv   Date of publication: 29.09.2010

Photos taken with this lens Carl Zeiss Distagon T*  18 mm  f/ 3.5 Z:

Road to Elbrus
Autor: Roman
4 0 2277

Autor: Roman
0 0 1817

Autor: Roman
0 0 2229

Autumn colors
Autor: Roman
0 0 1816

Mechanical quality5.002
Optical quality4.502
Pricing / Value3.002
Overall lens rating

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