ZEISS Dimension 2.8/8
商品類別：ZEISS 機器視覺工業鏡頭
ZEISS Dimension Lenses - High precision for greater efficiency
Focal Length : 8mm
Max. Aperture : 2.8
Min. Free Working Distance : 102.1mm
Filter Thread : M72 × 0.75
Camera Mount : C-Mount
Features
● fast f/2.8 aperture
● excellent image quality, leading to highest data precision over the complete image field
● for industrial cameras up to sensor sizes of 4/3’’
● robust full-metal construction made of aluminium
● small and compact
● possibility to adjust the back focal distance to compensate for tolerances of camera bayonets
● possibility for azimuthal adjustment ensures best possible readability of scales
● fixable focus and aperture settings
● optimized spectral transmission in VIS and near IR range through ZEISS T* coating
Optical data
| Focal length | 8mm |
| Aperture range | f/2.8 – f/22 (continuous) |
| Number of elements / groups | 14 / 8 |
| Focus range (object to sensor) | 180.6mm (0.59 ft)- ∞ |
| Min. free working distance | 102.1mm (0.33 ft) |
| Angular field (diag. / horiz. / vert.) | 1”: 88.15° / 77.59° / 56.41° ; 4/3”: 105.97° / 93.19° / 76.74° |
| Max. diameter of image field | 1”: 16mm (0.63”) ; 4/3”: 21.64mm (0.83”) |
| Flange focal distance (in air) | 17.526mm (0.69”) , C mount |
| Coverage at close range | 1”: 189.6mm × 126.0mm (7.46” × 4.96”) ; 4/3”: 250.5mm × 186.7mm (9.86” × 7.35”) |
| Image ratio at close range | 1:14.3 |
| Position of entrance pupil (relative to image sensor) | 62.3mm (2.45”) |
| Position of exit pupil (relative to image sensor) | 40.1mm (1.58”) |
Physical data
| Length (front to mount contact surface) (at inf.) | 59.0mm (2.32”) |
| Length (front to mount contact surface) (at MOD) | 59.0mm (2.32”) |
| Diameter (lens only) | 86.0mm (3.39”) |
| Diameter (with fixation screws) | 86.0mm (3.39”) |
| Filter-thread | M72 × 0.75 |
| Weight | 376g (0.83 lbs) |
| Camera mount | C mount |
Relative Illuminance*
Relative Distortion*
* Data for infinite focus setting
MTF Charts*
* Data for infinite focus setting
Spectral Transmission
