SIGMA Camera Lens 15mm F2.8 EX DG DIAGONAL FISHEYE for Nikon in Pakistan

Official model
Zoom magnification (optical): 1 times 
Focal length: 15 mm 
Focal length (wide-angle side): 15 mm 
Focal length (telephoto): 15 mm 
F value (wide-angle side): 2.8 
F value (telephoto end): 22 
Lens Type: single-focus lens 
Type: fish-eye lens 
Filter size: bayonet 
Seven six groups: Lens construction 
 Motor type: DC Motor 
Weight: 330 g 
Depth: 7.1 cm