Comparison of Nikon 70-200mm f/2.8E FL ED VR AF-S Nikkor and Pentax SMC P-FA 80-200mm f/2.8 ED IF

Attribute	Nikon 70-200mm f/2.8E FL ED VR AF-S Nikkor ×	Pentax SMC P-FA 80-200mm f/2.8 ED IF ×
Notes	Image Stabilization (up to 4 stops); Weather sealed; Included Accessories: Hood, Case, Tripod Collar	Included Accessories: Lens Hood
Magnification Ratio (x)	0.21	0.19
Filter Size (mm)	77	77
Length (mm)	202.5	191
Closest Focus (m)	1.1	1.4
Diagonal Angle of View (degree)	12.30 - 34.30	12.50 - 30.50
Focus Details	Internal focusing via Silent Wave Motor with seamless manual focus override; Focus mode and limit switches	Internal
Focal Length (mm)	70.00 - 200.00	80.00 - 200.00
APS Equivalent	105 - 300mm	120 - 300mm
Brand	Nikon	Pentax
Image Circle	35mm	35mm
Name	Nikon 70-200mm f/2.8E FL ED VR AF-S Nikkor	Pentax SMC P-FA 80-200mm f/2.8 ED IF
Weight (g)	1430	1571
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	2.80 - 22.00	2.80 - 32.00
Diaphragm Blades	9	-
Diaphragm Blades Type	rounded	-
Lens Construction	22 elements in 18 groups, including 1 HRI (high refractive index), 1 FL (flourite) and 6 ED (extra low dispersion) elements	16 elements in 13 groups, including 1 ED element
Zoom System	Rotary	Rotary
Diameter (mm)	88.5	86.4