ZEISS C Sonnar T 1.5/50 M42-I
商品類別：ZEISS 機器視覺工業鏡頭
ZEISS ZM-I Lenses - These lenses are developed for industrial cameras
Focal Length : 50mm
Max. Aperture : 1.5
Min. Free Working Distance : 830mm
Filter Thread : M46 × 0.75
Camera Mount : M42 × 1
Features
● Fast 1.5 aperture
● compact standard lens
● Precise manual focusing
● Robust full-metal construction
● Fixation for focus and aperture
● Outstanding image quality
● Compact and lightweight
● For industrial cameras up to sensor sizes of 24×36 mm or 43mm line sensors
Optical data
| Focal length | 50mm |
| Aperture range | f/1.5 – f/16 (1/ 3 stop intervals) |
| Number of elements / groups | 6 / 4 |
| Focusing range | 0.9m - ∞ |
| Min. free working distance | 830mm (2.72 ft.) |
| Angular field* (diag. / horiz. / vert.) | 45 / 38 / 26° |
| Max. diameter of image field | 43mm (1.7") |
| Flange focal distance | M42-I : 26.8mm |
| Coverage at close range* | 37 × 55cm |
| Image ratio at close range | 1:15 |
| Filter-thread | M46 × 0.75 |
| Weight | 250g (0.55 lbs) |
| Length | 45mm |
| Camera mount | M42-I |
* referring to 24×36mm sensor fomat
Relative Illuminance*
Relative Distortion*
* data for infinite focus setting
MTF Charts*
* data for infinite focus setting