Comparison of Nikon 85mm ƒ/1.4G AF-S Nikkor and Pentax SMC P-FA 85mm f/1.4 IF

Attribute	Nikon 85mm ƒ/1.4G AF-S Nikkor ×	Pentax SMC P-FA 85mm f/1.4 IF ×
Magnification Ratio (x)	0.12	0.1
Filter Size (mm)	77	67
Focus Details	AF-S with Silent Wave Motor (SWM) and internal focusing; M/A focus mode switch	Internal
Closest Focus (m)	0.85	0.85
Lens Construction	10 elements in 9 groups	8 elements in 7 groups
Length (mm)	84	71
Focal Length (mm)	85.00	85.00
Diaphragm Blades Type	rounded	-
Brand	Nikon	Pentax
Image Circle	35mm	35mm
Name	Nikon 85mm ƒ/1.4G AF-S Nikkor	Pentax SMC P-FA 85mm f/1.4 IF
Weight (g)	660	618
Type	Prime	Telephoto Prime
Notes	Nikon Nano Crystal Coat (N), Nikon Super Integrated Coating (SIC); Included Accessories: HB-55 Lens Hood and CL-1118 Semi-soft Lens Case.	Included Accessories: Hood
APS Equivalent	127mm	127.5mm
Aperture (f)	1.40 - 16.00	1.40 - 22.00
Diaphragm Blades	9	-
Diagonal Angle of View (degree)	28.50	28.50
Diameter (mm)	86.2	79