Features

 Jollystar Optics 58mm 0.25x lens is a fisheye conversion lens that attaches to the front of an existing lens,

It can also be used as a 12.5x Macro lens, by unscrewing the back element, and using that part on its own.

 

Specifications 

Magnification 0 .25x

 Rear Mount Diameter 58mm

Front Diameter 67mm

Construction:Elements/Groups 3E/3G

Lens Diameter 55mm
Length 30mm