- Equipped with Sigma’s unique Optical Stabilizer Technology – the OS function offers the use of shutter speeds up to 4 stops lower than would otherwise be possible. For Sony and Pentax mounts, the built-in OS function of this lens can be used even if the body is equipped with an anti-shake function resulting in a stabilized view finder image and more accurate focusing
- This high zoom ratio ultra telephoto zoom lens has excellent optical performance –four Special Low Dispersion (SLD) glass elements provide excellent correction of color aberration.
- The incorporation of Sigma’s Hyper Sonic Motor (HSM) provides quiet,high speed and accurate auto-focusing as well as full time manual focus capability
- Sigma’s super multi-layer coating minimizes flare and ghosting – a common problem for digital cameras
- Lens construction: 22 elements in 16 groups - minimum focusing distance 19.7-70.9” (50-180 cm) with maximum magnification ratio of 1:3.1 (at the focal length of 200mm) making it ideal for close-up photography – the 9 blade rounded diaphragm creates an attractive blur to the out of focus images
- Filter size: 95mm (86mm when used with included step down ring and digital cameras with APS-C sized image sensor) Weight: 69.5 oz (1,970 g) Length 8.6” (21.9 cm)