Sony A7 II and Sony 55/1.8: Assesssing Image Stabilization at 1/15 and 1/20 second, and 1/5 + 1/6 second
Sensor image stabilization has huge potential.
Portrait Examples (low light handheld, Sony A7 II IS)
Discussion included on what I found in practical terms.
UPDATE: more images added, down to 1/5 and 1/6 second.