Sigma 45mm F2.8 DG DN Contemporary Specs
| Lens type |
Prime lens |
| Max Format size |
35mm FF |
| Focal length |
45 mm |
| Image stabilization |
No |
| Lens mount |
L-Mount, Sony FE |
| Aperture |
|
| Maximum aperture |
F2.8 |
| Minimum aperture |
F22 |
| Aperture ring |
Yes |
| Number of diaphragm blades |
7 |
| Optics |
|
| Elements |
8 |
| Groups |
7 |
| Focus |
|
| Minimum focus |
0.24 m (9.45″) |
| Maximum magnification |
0.25× |
| Autofocus |
Yes |
| Motor type |
Stepper motor |
| Full time manual |
Yes |
| Focus method |
Internal |
| Distance scale |
No |
| DoF scale |
No |
| Physical |
|
| Weight |
215 g (0.47 lb) |
| Diameter |
64 mm (2.52″) |
| Length |
46 mm (1.81″) |
| Sealing |
Yes |
| Filter thread |
55 mm |
| Hood supplied |
Yes |
| Other |
|
| Notes |
Weight and dimensions for L-mount version. |
Manufacturer description
The Sigma 45mm F2.8 DG DN | Contemporary is a standard prime lens for full-frame Sony, Panasonic and Leica cameras. The lens is compact and lightweight, despite its high build quality (which includes dust and splash resistance). It has 8 elements, a 7-blade aperture, and a minimum focus distance of 24cm (9.4″). The 45mm F2.8 has an aperture ring and full-time manual mode. The lens is 46mm (1.8″) long and weighs just 215g (7.5oz).
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