Comparison of Nikon 80-400mm ƒ/4.5-5.6G ED VR AF-S Nikkor and Pentax 150-450mm f/4.5-5.6ED DC AW HD D FA

Attribute	Pentax 150-450mm f/4.5-5.6ED DC AW HD D FA ×	Nikon 80-400mm ƒ/4.5-5.6G ED VR AF-S Nikkor ×
Aperture (f)	4.50 - 27.00	4.50 - 40.00
Filter Size (mm)	86	77
Notes	High Definition (HD) coatings; Super Protect (SP) coatings to external surfaces; weather-resistant construction; removable tripod collar	Vibration Reduction (VR) allows for up to four stops of image stabilization
Closest Focus (m)	2	1.75
Magnification Ratio (x)	0.22	0.175
Zoom System	Rotary with lock	Rotating
Type	Telephoto Zoom	Zoom
APS Equivalent	225 - 675mm	120 - 600mm
Diaphragm Blades	9	9
Image Circle	35mm	35mm
Focal Length (mm)	150.00 - 450.00	80.00 - 400.00
Brand	Pentax	Nikon
Name	Pentax 150-450mm f/4.5-5.6ED DC AW HD D FA	Nikon 80-400mm ƒ/4.5-5.6G ED VR AF-S Nikkor
Weight (g)	2000	1570
Diaphragm Blades Type	rounded	rounded
Lens Construction	18 elements in 14 groups, including ED elements	20 elements in 12 groups, including 1 Super ED and 4 ED glass elements; Nano Crystal Coat
Diagonal Angle of View (degree)	5.50 - 16.50	6.20 - 30.20
Length (mm)	241.5	203
Diameter (mm)	95	95.5
Focus Details	Internal with DC motor; Quick-Shift Focus System for changing between AF and MF by simply turning the focusing ring; Focus presets and range limiter	AF-S with Silent Wave Motor (SWM), Focus mode switch (A/M, M/A and M); Focus limiter switch