Comparison of Laowa 4mm f/2.8 Fisheye MFT and Nikon 1 6.7-13mm f/3.5-5.6 Nikkor VR

Attribute	Laowa 4mm f/2.8 Fisheye MFT ×	Nikon 1 6.7-13mm f/3.5-5.6 Nikkor VR ×
Aperture (f)	2.80 - 16.00	3.50 - 16.00
Diagonal Angle of View (degree)	210.00	63.00 - 100.00
Magnification Ratio (x)	0.11	0.06
Notes	Available mounts: Micro Four Thirds	For use with Nikon 1 compact system cameras. 2.7x conversion factor. VR image stabilization. Available in silver and black. Lens hood included.
Diaphragm Blades Type	-	rounded
Type	Fisheye Prime	Wide Zoom
Diaphragm Blades	7	7
APS Equivalent	-	18 - 35mm
Image Circle	Micro Four-Thirds	Nikon 1 (CX Format)
Focal Length (mm)	4.00	6.70 - 13.00
Brand	Laowa	Nikon
Name	Laowa 4mm f/2.8 Fisheye MFT	Nikon 1 6.7-13mm f/3.5-5.6 Nikkor VR
Weight (g)	135	125
Diameter (mm)	45.2	56.5
Lens Construction	7 elements in 6 groups	11 elements in 7 groups including 3 ED and 3 aspherical elements
35mm Equivalent	8mm	-
Length (mm)	25.5	46
Filter Size (mm)	-	52
Closest Focus (m)	0.08	0.25
Zoom System	-	Rotary
Focus Details	Internal; Manual Focus only	Internal AF