Lens Details
Sigma
17-40mm f/1.8 DC Art Lens
$919~
MSRP (prices vary)
17-40mm
Focal Length
f/1.8
Max Aperture
APS-C
Coverage
−
Stabilized
560g
Weight
67mm
Filter
Full Specifications
Optical Design
| Focal Length | 17-40mm |
|---|---|
| Lens Type | Zoom |
| Optical Elements | 17 |
| Optical Groups | 11 |
Aperture & Iris
| Maximum Aperture | f/1.8 |
|---|---|
| Minimum Aperture | f/16 |
| Aperture Blades | 11 |
| Rounded Aperture | Yes |
Coverage & Angle
| Format Coverage | APS-C |
|---|---|
| Lens Mount | Sony E |
| Angle of View | 76.5° – 37.1° |
| 35mm Equivalent | 25-60mm |
Focus
| Autofocus | Yes |
|---|---|
| Focus Motor | HLA |
| Focus Limiter | No |
| AF/MF Switch | Yes |
| Min Focus Distance | 28 cm |
| Max Magnification | 0.21x |
Stabilization & Video
| Optical Stabilization | No |
|---|---|
| Aperture Ring | Yes |
| Declickable Aperture | Yes |
| Parfocal | No |
| Internal Zoom | Yes |
General
| Price (MSRP) | $919 |
|---|---|
| Filter Size | 67mm |
| Diameter | 72.9mm |
| Length | 115.9mm |
| Weight | 560g (1.23 lb) |
| Weather Sealed | Yes |
| Tripod Collar | No |
