Comparison of Olympus 50-200mm f/2.8-3.5 Zuiko Digital and Samsung 50-150mm f/2.8 S OIS

Attribute	Olympus 50-200mm f/2.8-3.5 Zuiko Digital ×	Samsung 50-150mm f/2.8 S OIS ×
Diagonal Angle of View (degree)	6.00 - 24.00	10.70 - 31.40
Notes	Includes Lens Hood (LH-70B) and Lens Case (LSH-1220); Compatible with TC-14 Teleconverter and EX-25 Extension Tube	Samsung NX mount; Optical Image Stabilization; Splash and dust resistant; Tripod mount collar and hood included.
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Magnification Ratio (x)	0.21	-
Filter Size (mm)	67	72
APS Equivalent	-	77 - 231mm
Closest Focus (m)	1.2	0.7
Focal Length (mm)	50.00 - 200.00	50.00 - 150.00
Diaphragm Blades	7	-
Brand	Olympus	Samsung
Image Circle	Image Circle	APS-C
Name	Olympus 50-200mm f/2.8-3.5 Zuiko Digital	Samsung 50-150mm f/2.8 S OIS
Weight (g)	1070	915
Type	Telephoto Zoom	Telephoto Zoom
Zoom System	Rotary	Rotary
Lens Construction	16 elements in 15 groups, including 3 ED elements	20 elements in 13 groups, including 1 XHR (eXtreme High Refractive) and 3 ED elements; SHS (Samsung Hyper Shield Coating)
Diameter (mm)	87	81
Length (mm)	157	154
Focus Details	-	UPSM stepping motor with custom focus range limiter
35mm Equivalent	100 - 400mm	-