Comparison of Fujinon XF 16mm ƒ/1.4 R WR and Panasonic 12mm ƒ/1.4 ASPH Leica DG SUMMILUX

Attribute	Fujinon XF 16mm ƒ/1.4 R WR ×	Panasonic 12mm ƒ/1.4 ASPH Leica DG SUMMILUX ×
Aperture (f)	1.40 - 16.00	1.40 - 16.00
Filter Size (mm)	67	62
Notes	For Fujifilm X-mount; HT-EBC and Nano GI coating; Weather- and dust-resistant; LH-X16 lens hood sold separately	Manual Aperture Ring; Weather-resistant Design; Metal Lens Mount, Barrel and Hood; Included Accessories: Front and Rear Lens Caps, Hood, Storage Bag.
Closest Focus (m)	0.15	0.2
Magnification Ratio (x)	0.21	0.1
Diameter (mm)	73.4	70
Type	Wide Prime	Wide Prime
APS Equivalent	24mm	-
Diaphragm Blades	9	9
Image Circle	APS-C (Fujifilm X-mount)	Micro Four Thirds
Focal Length (mm)	16.00	12.00
Brand	Fujinon	Panasonic
Name	Fujinon XF 16mm ƒ/1.4 R WR	Panasonic 12mm ƒ/1.4 ASPH Leica DG SUMMILUX
Weight (g)	375	335
Diaphragm Blades Type	rounded	rounded
Lens Construction	13 elements in 11 groups, including 2 aspherical and 2 ED elements	15 elements in 12 groups, including 1 ED, 2 UED and 2 aspherical elements
Diagonal Angle of View (degree)	83.20	84.00
Length (mm)	73	70
35mm Equivalent	-	24mm
Focus Details	Rear focusing with high-torque coreless DC motor; Manual focus ring has DOF scale	High-speed AF; Internal with stepping motor; AF/MF switch