Carl Zeiss Planar T* 85 mm f/ 1.4 ZA Lens Manuel
Sonnar
®
T* 2.8/90
56
CONTAX
®
G mount
This lens features not only outstanding sharpness
and brilliance, but also excellent field illumination
even at full aperture. The Sonnar
and brilliance, but also excellent field illumination
even at full aperture. The Sonnar
®
T* 2.8/90 lens
with its field angle of 27º has been designed for
the Contax G compact camera. The lens is
particularly suitable for portrait photography,
allowing successful head-and-shoulders and
full-length portraits with a natural perspective.
the Contax G compact camera. The lens is
particularly suitable for portrait photography,
allowing successful head-and-shoulders and
full-length portraits with a natural perspective.
In addition to portraiture, this lens can also be
recommended for taking photographs at sporting
events and the theater. The Sonnar
recommended for taking photographs at sporting
events and the theater. The Sonnar
®
T* 2.8/90
lens has been designed for use with the autofocus
connection of the Contax G compact cameras.
connection of the Contax G compact cameras.
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Cat. No. of lens
10 11 31
Number of elements
5
Close limit field size
216 mm x 324 mm
Number of groups
4
Max. scale
1 : 9.0
Max. aperture
f/2.8
Entrance pupil*
Focal length
90.0 mm
Position
35.9 mm behind the first lens vertex
Negative size
24 x 36 mm
Diameter
31.7 mm
Angular field*
width 23°, height 15°,
Exit pupil*
diagonal 2w 27°
Position
22.0 mm in front of the last lens vertex
Min. aperture
22
Diameter
23.5 mm
Camera mount
Contax G
Position of principal planes*
Filter connection
M 46 x 0.75
H
2.5 mm behind the first lens vertex
Focusing range
infinity to 1.0 m
H'
46.3 mm in front of the last lens vertex
Working distance (between mechanical front end of
Back focal distance
43.7 mm
lens and subject)
0.91 m
Distance between first
and last lens vertex
and last lens vertex
45.9 mm
Weight
240 g
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* at infinity