The vivitar lens is a close focus wide angle cheap sharp lens it has nice bokeh and the minimum focusing distance also makes it capable of shooting macros there are different versions of the 28mmf28 vivitar lensesthis version was manufactured by komine you can recognize it from the serial number written on the barrel which always begins with 28 it is has a 49mm filter thread good condition nb this camera equipment appears to be working but has not been tested through to develo