Distagon T* 2,8/15
Features
Fast f/2.8 aperture
Precise manual focusing
Robust full-metal construction
Identical color reproduction of all models
For industrial cameras with F-Mount
up to sensor sizes of 24x36 mm or 43mm line
sensors.
110° angular field
Camera Mounts
Available for other camera
mounts such as EF, or M42
screw mount.
03/15 · Subject to change. Carl Zeiss AG · www.zeiss.com/photo
Distagon T* 2,8/15
Technical Specifications
Focal length
Aperture range
Number of elements / groups
Min. working distance (object to sensor)
Min. free working distance
Angular field* (diag. / horiz. / vert.)
Max. diameter of image field
Flange focal length
Coverage at close range
Image ratio at close range
Filter-thread
Weight
Camera mount
* referring to 35 mm format
03/15 · Subject to change. Carl Zeiss AG · www.zeiss.com/photo
15 mm
f/2.8 – f/22 (1/ 2 stop intervals)
15/12
250 mm (0.83 ft.) – ∞
90 mm (0.3 ft.) – ∞
110 / 100 / 76°
43 mm (1.7")
F-mount: 46.5 mm (1.8"); M42 Mount: 45,5 mm
340 x 221 mm (13.4 x 8.7"), line 387 mm (15”)
1:9
M 95 x 1.0
730 g (1.61 lbs.)
F bayonet, M42, EF
Distagon T* 2,8/15
Relative Illuminance*
E [%]
The relative illumination shows the
decrease in image brightness from the
image center to the edge in percent.
__f-number = 2.8
…f-number = 5.6
---f-number = 8
Relative Distortion*
V [%]
*Data for infinite focus setting
The relative distortion shows the
deviation of the actual image height from
the ideal one in percent.
03/15 · Subject to change. Carl Zeiss AG · www.zeiss.com/photo
Distagon T* 2,8/15
MTF Charts*
MTF [%]
The Modulation Transfer (MTF) as a
function of image height (u) and slit
orientation (sagittal, tangential) has been
measured with white light at spatial
frequencies of R = 10, 20 and 40
cycles/mm.
f-number = 2.8
__ Sagittal
… Tangential
MTF [%]
f-number = 5.6
__ Sagittal
… Tangential
*Data for infinite focus setting
03/15 · Subject to change. Carl Zeiss AG · www.zeiss.com/photo
Distagon T* 2,8/15
The diameter of the camera/lens adapter must not exceed 55 mm at the lens side!
03/15 · Subject to change. Carl Zeiss AG · www.zeiss.com/photo
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