Comparison of Samsung 50-200mm f/4-5.6 ED OIS III NX and 70-300mm F/4.5-6.3 Di III RXD (Model A047)

Attribute	70-300mm F/4.5-6.3 Di III RXD (Model A047) ×	Samsung 50-200mm f/4-5.6 ED OIS III NX ×
Magnification Ratio (x)	0.11	0.2
Filter Size (mm)	67	52
Front Element Rotation	-	-
Closest Focus (m)	0.8	0.98
Diameter (mm)	77	70
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	1.5x: 105 - 450mm	77 - 308mm
Diagonal Angle of View (degree)	8.25 - 34.35	8.00 - 31.40
Image Circle	35mm (Full-frame E-Mount)	Samsung NX (APS-C)
Focal Length (mm)	70.00 - 300.00	50.00 - 200.00
Brand	Tamron	Samsung
Name	70-300mm F/4.5-6.3 Di III RXD (Model A047)	Samsung 50-200mm f/4-5.6 ED OIS III NX
Weight (g)	544.3	406
Notes	Available mounts: Sony E-mount; Moisture-Resistant Construction.	Samsung NX Mount. Image Stabilization. Included Accessories: Lens Hood
Diaphragm Blades	7	7
Aperture (f)	4.50 - 32.00	4.00 - 22.00
Lens Construction	15 elements in 10 groups, including LD (Low Dispersion) lens element; BBAR (Broad-Band Anti-Reflection) Coating	17 elements in 13 groups, including 2 ED elements
Zoom System	Rotary	Rotary
Length (mm)	147.3	100.5
Diaphragm Blades Type	circular	-
Focus Details	Internal using RXD (Rapid eXtra-silent stepping Drive) autofocus motor	AF/MF switch