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PRODUCT INFORMATION 
ZEISS DISTAGON T*
f/4 18mm ZM
Compact, ultra wide-angle focal length with excellent distortion
control
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- Particularly compact, ultra wide-angle focal length with excellent distortion control.
- Offers a dynamic perspective for travel photographers, as well as panorama, landscape and architecture photography.
- The optical design features 10 lens elements in 8 groups for outstanding imaging performance over the entire image area.
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| This ultra wide-angle lens
allows for dynamic and unusual perspectives, making it well-suited for
photographing confined interior spaces, as well as expansive landscapes.
The Distagon T * f4 18mm
ZM is compact for its focal length, and offers very good distortion
correction and outstanding performance across the image frame. The lens is
coupled to the camera rangefinder and the optional 18 mm viewfinder is
available for accurate image composition.
Combined
with a digital rangefinder camera with a 1.3 crop factor, the lens has an
effective focal length of 23 mm. |
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Technical
Data |
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Focal
length
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18
mm
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Aperture
range
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f/4
~ f/22 (1/ 3 stop intervals)
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Number
of elements / groups
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10
/ 8
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Focusing
range
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0.5
m (1.6 ft) ~ ∞
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Angular
field* (diag. / horiz. / vert.)
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98
/ 87 / 65 °
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Coverage
at close range
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56
x 84 cm (22 x 33")
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Image
ratio at close range
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1:
23
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Filter-thread
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M
58 x 0.75
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Length
(with caps)
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71
mm (2.8")
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Diameter
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65
mm (2.6")
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Weight
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350
g (12 oz.)
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Camera
mount
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ZM
(M bayonet)
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Scope
of delivery
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Lens
Shade included
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Optional
accessories
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Viewfinder
18 mm
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