Sigma announced the previously rumored three Art and one Contemporary full frame DSLR lenses for the 2017 CP+ show in Tokyo, Japan (full press release and MTF charts available at NikonRumors).
Update: Big price drop on Zeiss 15mm, 18mm and 135mm lenses after Sigma's announcement (for both Nikon and Canon mount):
Big price drop on the Zeiss 15mm, 18mm and 135mm lenses after Sigma’s announcement
Technical specifications of the new Sigma lenses (check pricing and availability - not announced at the time of this post):
| Lens Construction | 16 Elements in 11 Groups |
| Angle of View | 114.2º |
| Number of Diaphragm Blades | 9 (Rounded) |
| Mininum Aperture | f16 |
| Minimum Focusing Distance | 27 cm / 10.6 in |
| Filter Size (mm) | N/A |
| Maximum Magnifications | 1: 9.8 |
| Dimensions (Diameter x Length) |
9.5in x 5.0in |
| Weight | 1,170g/41.3 oz |
| Lens Construction | 13 Elements in 10 Groups |
| Angle of View | 18.2º |
| Number of Diaphragm Blades | 9 (Rounded) |
| Mininum Aperture | f16 |
| Minimum Focusing Distance | 87.5 cm / 34.4 in |
| Filter Size (mm) | 82mm |
| Maximum Magnifications | 1: 5 |
| Dimensions (Diameter x Length) |
4.0"x4.5" in |
| Weight | 1130g/ 40.2 oz |
Sigma 24-70mm f/2.8 DG HSM OS Art:
| Lens Construction | 19 Elements in 14 Groups |
| Angle of View | 84.1-34.3º |
| Number of Diaphragm Blades | 9 (Rounded) |
| Mininum Aperture | f22 |
| Minimum Focusing Distance | 37 cm / 14.5 in |
| Filter Size (mm) | 82mm |
| Maximum Magnifications | 1: 4.8 |
| Dimensions (Diameter x Length) |
3.5 x 4.2 in |
| Weight | TBD |
Sigma 100-400mm f/5-6.3 DG HSM OS Contemporary:
| Lens Construction | 21 Elements in 15 Groups |
| Angle of View (35mm) | 24.4º-6.2 º |
| Number of Diaphragm Blades | 9 |
| Mininum Aperture | f22 |
| Minimum Focusing Distance | 160 cm / 6.3 in |
| Filter Size (mm) | 67mm |
| Maximum Magnifications | 1:3.8 |
| Dimensions (Diameter x Length) |
86.4x182.3mm/ 3.4x7.2in |
| Weight | 1160g/ 40.9oz. |
Via NikonRumors
