Sony's A-mount super-tele Mark II — same as ID 1172, updated 70-400mm with improved AF.
The Sony 70-400mm f/4-5.6 G SSM II was released approximately 2013 as the second-generation G SSM (Super Sonic Motor) telephoto zoom for Sony A-mount, updating the original 70-400mm G SSM with improved optics, faster AF, and better weather sealing. Sony A mount.
f/4-5.6 variable aperture. 70-400mm zoom range. G-series optics. SSM II (second-generation Super Sonic Motor). In-lens optical stabilisation (OIS). Weather-sealed construction. 77mm filter thread. At approximately 1,490g. Minimum focus 1.5m. Sony A mount.
The SSM II motor provides faster AF tracking than the first-generation 70-400mm G SSM, important for wildlife and sports subject tracking. In-lens OIS works in combination with Sony A-mount bodies' in-body SteadyShot Inside (IBIS) when both are enabled. The G designation indicates Sony's premium optical performance tier. Compatible with Sony FE bodies via LA-EA4/LA-EA5 adapter.
On the used market the Sony 70-400mm f/4-5.6 G SSM II is a premium telephoto zoom for Sony A-mount DSLRs and adaptable to FE mirrorless. Condition checks: SSM II AF speed and accuracy at 400mm, OIS engagement, 77mm front element for marks, zoom ring smoothness, weather sealing at zoom ring and mount.