Comparison of Fujinon GF 63mm f/2.8 R WR and Pentax 55mm ƒ/1.4 SDM SMC DA*

Attribute	Fujinon GF 63mm f/2.8 R WR ×	Pentax 55mm ƒ/1.4 SDM SMC DA* ×
Diaphragm Blades Type	rounded	rounded
Notes	For Fujifilm G-mount; Weather, dust and freeze resistant; Lens caps, hood and case included.	Included Accessories: Lens Hood
Aperture (f)	2.80 - 32.00	1.40 - 22.00
Magnification Ratio (x)	0.17	0.17
Filter Size (mm)	62	58
35mm Equivalent	50mm	-
Type	Standard Prime	Standard Prime
Diaphragm Blades	9	9
Lens Construction	10 elements in 8 groups, including 1 ED (extra low dispersion) element	9 elements in 8 groups
Image Circle	Medium Format (Fujifilm G-mount)	APS-C
Focal Length (mm)	63.00	55.00
Brand	Fujinon	Pentax
Name	Fujinon GF 63mm f/2.8 R WR	Pentax 55mm ƒ/1.4 SDM SMC DA*
Weight (g)	405	375
Diagonal Angle of View (degree)	46.90	28.60
Focus Details	AF via a linear motor	SDM (supersonic motor), AF/MF switch
Diameter (mm)	84	70.5
Length (mm)	71	66
APS Equivalent	-	83mm
Closest Focus (m)	0.5	0.45