Comparison of Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200) and Pentax 560mm f/5.6 ED AW HD DA

Attribute	Pentax 560mm f/5.6 ED AW HD DA ×	Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200) ×
Notes	Built-in slide-out lens hood. Included accessories: case, tripod adapter.	O.I.S. Image Stabilization (Dual I.S. 2 compatible); Dust/splash-resistant
Magnification Ratio (x)	0.1	0.21
Filter Size (mm)	112	82
Length (mm)	522	208.6
Closest Focus (m)	5.6	0.95
Diagonal Angle of View (degree)	2.90	12.00 - 34.00
Focus Details	Internal with DC motor; Quick-Shift Focus system	Internal AF double focus system; AF/MF clutch mechanism
Focal Length (mm)	560.00	70.00 - 200.00
APS Equivalent	859mm	105 - 300mm
Brand	Pentax	Panasonic
Image Circle	APS-C	35mm (L-Mount)
Name	Pentax 560mm f/5.6 ED AW HD DA	Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200)
Weight (g)	3.04	1.57
Type	Telephoto Prime	Telephoto Zoom
Aperture (f)	5.60 - 45.00	2.80 - 22.00
Diaphragm Blades	9	11
Diaphragm Blades Type	rounded	circular
Lens Construction	6 elements in 5 groups	22 elements in 17 groups, including 1 aspherical, 2 UED, and 3 ED elements; Fluorine coating on front element
Zoom System	-	Rotary
Diameter (mm)	130	94.4