SONY Fish-eye Converter VCL-ECF2 This converter can be attached to the front of compatible lenses to convert the angle of view from wide-angle to diagonal fisheye. [Included Items] Converter body Converter front cap Converter case Original box Warranty card Instruction manual Since this is a converter, it cannot be used unless you have a compatible lens (E 16mm F2.8 or E 20mm F2.8). Notes on using the converter If you have a protective filter or other filters attached to the front of the compatible lens, you will need to remove them to use the converter. (This seems to be the converter's specification) [Reference] When attached to E 16mm F2.8: Focal length 10mm When attached to E 20mm F2.8: Focal length 13mm Size: Maximum diameter φ66mm, total length 44mm / Weight: approx. 150g We have many other cameras for sale, so please take a look. ⬇️