Comparison of Panasonic 70-200mm f/4 OIS Lumix S Pro (S-R70200) and Tokina 70-200mm f/4 AT-X AF PRO FX VCM-S SD

Attribute	Panasonic 70-200mm f/4 OIS Lumix S Pro (S-R70200) ×	Tokina 70-200mm f/4 AT-X AF PRO FX VCM-S SD ×
Notes	O.I.S. Image Stabilization (Dual I.S. 2 compatible); Dust/splash-resistant	Optical Image Stabilization (3-stops); Available AF Mounts: Nikon; Included Accessories: Lens hood; Tripod collar optional
Magnification Ratio (x)	0.25	0.28
Filter Size (mm)	77	67
Length (mm)	179	168
Closest Focus (m)	0.92	1
Diagonal Angle of View (degree)	12.00 - 34.00	12.70 - 34.80
Focus Details	Internal AF with linear motor; AF/MF clutch mechanism	Internal with ultrasonic motor
Focal Length (mm)	70.00 - 200.00	70.00 - 200.00
APS Equivalent	105 - 300mm	1.5x: 105 - 300mm; 1.6x: 112 - 320mm
Brand	Panasonic	Tokina
Image Circle	35mm (L-Mount)	35mm
Name	Panasonic 70-200mm f/4 OIS Lumix S Pro (S-R70200)	Tokina 70-200mm f/4 AT-X AF PRO FX VCM-S SD
Weight (g)	985	980
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	4.00 - 22.00	4.00 - 32.00
Diaphragm Blades	9	9
Diaphragm Blades Type	circular	-
Lens Construction	23 elements in 17 groups, including 1 aspherical, 1 UED, 1 UHR and 3 ED elements; Fluorine coating on front element.	19 elements in 14 groups, including 3 SD elements
Zoom System	Rotary	Rotary
Diameter (mm)	84.4	82