Carl Zeiss Touit 12 mm f/ 2.8 Lens Brochure

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Aposonnar
®
 T
* f/2 - 200 mm
  
This 200 mm Aposonnar
®
 T
* f/2 telephoto lens 
from Carl Zeiss with an extremely high speed 
provides superb image quality. As indicated by the 
term "Apo", residual chromatic aberration has 
been drastically reduced - as in the 300 mm 
Tele-Apotessar
®
 T
* f/2.8 lens from
Carl Zeiss - by the use of fluophosphate glass 
resulting in such superb sharpness and brilliance. 
Like the 300 mm Tele-Apotessar
®
 T
* f/2.8 lens, 
this Aposonnar
®
 T
* lens features an internal 
focusing system. 
Cat. No. of lens:
10 45 48
Filter connection:
additional insertable filter
Number of elements:
10 (+ filter)
Weight:
approx. 2690 g
Number of groups:
8 (+ filter)
Focusing range:
 to 1.8 m (internal focusing)
Max. aperture:
f/2
Entrance pupil:
Focal length:
199.9 mm
Position:
200.4 mm behind the first lens vertex
Negative size:
24 x 36 mm
Diameter:
98 mm
Angular field 2w:
12º diagonal
Exit pupil:
Mount:
focusing mount with bayonet;
Position:
55 mm in front of the last lens vertex
TTL metering either at full aperture
Diameter:
57.7 mm
or in stopped-down position.
Position of principal planes:
Aperture priority/Shutter priority/
H:
50 mm in front of the first lens vertex
Automatic programs
H':
140.8 mm
(Multi-Mode Operation)
in front of the last lens vertex
Built in lens shade.
Back focal distance:
59.7 mm
Aperture scale:
2 - 2.8 - 4 - 5.6 - 8 - 11 - 16 - 22
Distance between first and
last lens vertex:
164 mm