Comparison of Canon EF 70-200mm ƒ/2.8L IS II USM and Pentax 70-200mm f/2.8 ED DC AW HD D FA*

Attribute	Pentax 70-200mm f/2.8 ED DC AW HD D FA* ×	Canon EF 70-200mm ƒ/2.8L IS II USM ×
Aperture (f)	2.80 - 22.00	2.80 - 32.00
Filter Size (mm)	77	77
Notes	High Definition (HD) coatings; Super Protect (SP) coatings to external surfaces; weather-resistant construction; removable tripod collar	Image Stabilization (up to 4 stops of correction); Dust and Moisture Resistant
Closest Focus (m)	1.2	1.2
Magnification Ratio (x)	0.13	0.21
Diameter (mm)	91.5	88.8
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	105 - 300mm	112 - 320mm
Diaphragm Blades	9	8
Image Circle	35mm	35mm
Focal Length (mm)	70.00 - 200.00	70.00 - 200.00
Brand	Pentax	Canon
Name	Pentax 70-200mm f/2.8 ED DC AW HD D FA*	Canon EF 70-200mm ƒ/2.8L IS II USM
Weight (g)	1760	1490
Diagonal Angle of View (degree)	12.50 - 34.50	12.00 - 34.00
Lens Construction	19 elements in 16 groups, including 1 ED element	23 elements in 19 groups, including 1 Fluorite and 5 UD elements
Zoom System	Rotary	Rotary
Length (mm)	203	199
Diaphragm Blades Type	rounded	-
Focus Details	Internal with DC motor; Quick-Shift Focus System for changing between AF and MF by simply turning the focusing ring; Focus range limiter	Inner focusing; full-time manual focus and USM