This is a Sony Ultra Wide Converter For SEL16F28 and SEL20F28. 

This Converter is for FE 28 mm F2 lens, providing a 21 mm angle of view. 
It has an easy-to-attach bayonet mechanism lock for a quick fit and is dust and moisture-resistant design. Cosmetically, it is in EXCELLENT condition. This converter comes with both front & rear caps and a Sony carrying case. 

WE SHIP IN 1 BUSINESS DAY and we package professionally and will combine to save on shipping costs. We are also interested in BUYING your photographic equipment as well. We are Camera Exchange in Waterford Michigan. 

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