- FX coverage (Nikon F-mount, Canon EF mount, Sigma SA mount)
- dust and splash proof construction
- Autofocus
- 16 elements in 11 groups, 1 aspherical, 3 FLD, 4 SLD elements
- 114° view across the diagonal
- 9-blade rounded aperture diaphragm (electronic on Nikons, so compatible with D300 and later)
- smallest aperture is f/16
- 11" (0.27m) minimum focus; 1:9.8 maximum reproduction ratio
- 5 x 3.8" (126 x 95mm) long, diameter
- 41.3 ounces (1170g) weight
- included built-in lens hood, soft case, caps, dock compatible
- US$1599
- Model Number 450
- Introduced February 21, 2017