Comparison of Nikon 1 18.5mm ƒ/1.8 Nikkor and Pentax 8.5mm f/1.9 01 Standard Prime

Attribute	Nikon 1 18.5mm ƒ/1.8 Nikkor ×	Pentax 8.5mm f/1.9 01 Standard Prime ×
Notes	For use with Nikon 1 compact system cameras. 2.7x conversion factor. Available in black, white or silver. HB-N104 Bayonet Hood and CL-N101 Lens Soft	For use with Pentax Q compact system camera. Lens shutter. ND filter (2 stops light reduction). PENTAX SP (Super Protect) coating. Optional MH-RA len
Aperture (f)	1.80 - 16.00	1.90 - 8.00
Closest Focus (m)	0.2	0.2
Magnification Ratio (x)	0.12	0.05
Type	Standard Prime	Standard Prime
Focus Details	High-speed AF drive mechanism	Autofocus with electronic manual focus
APS Equivalent	50mm	47mm
Diameter (mm)	56	46
Image Circle	Nikon 1 (CX Format)	Pentax Q-mount
Focal Length (mm)	18.50	8.50
Brand	Nikon	Pentax
Name	Nikon 1 18.5mm ƒ/1.8 Nikkor	Pentax 8.5mm f/1.9 01 Standard Prime
Weight (g)	70	37
Diaphragm Blades Type	rounded	-
Diaphragm Blades	7	5
Diagonal Angle of View (degree)	46.70	49.50
Length (mm)	36	23
Filter Size (mm)	-	5
Lens Construction	8 elements in 6 groups, including 1 aspherical element	8 elements in 5 groups, including 2 Aspherical elements