Samsung also announced a pro-level 50-150mm f/2.8 ED OIS lens, which, on the NX1 is the equivalent of a 70-200mm. It offers a 9-blade circular aperture, 20 elements, arranged in 13 groups (4 ED and 1XHR element(s)) and is water and dust sealed. Samsung's Ultra-Precise Stepping Motor (UPSM) promises silent, snappy, AF, and it's four-axis OIS promises better handhold-ability. A custom focus range limiter is another unique feature. It will also be available in October for $1600.