Say hello to the Vetus latest edition, the SP-15.
Available in a plasma blue, holgraphic rainbow, and classic polished silver finish, these close perfectly, to create the ultimate volume fan.
Callibrated with swiss precision, these are used by people in a large range of professionals where highly detailed work is performed.  
The plasma and rainbow are the upscale version MSC-15, and the identical model is classic silver is SP15.