Today Sigma launched this Youtube teaser video hinting a product announcement on August 4th. You can be 100% certain this is for the new 150-600mm f/5.0-6.3 lens.
- lens configuration of 25 elements in 15 groups
- minimum shooting distance of 58cm-280cm
- maximum shooting magnification of 1: 2.9 (at 180mm), and 9 aperture blades (at 180mm). (Circular aperture)
- filter size φ95mm
- size φ109.4×263.6mm
- weight 2100g (including tripod mount)
- teleconverter (TC-1411 / TC-2011) seems to be compatible.
- 170,000 YEN excluding tax
- UK price will be 1199 pounds