Comparison of Panasonic 50-200mm f/2.8-4 ASPH Power OIS Leica DG Vario-Elmarit (H-ES50200) and Tamron 70-210mm f/4 Di VC USD (Model A034)

Attribute	Tamron 70-210mm f/4 Di VC USD (Model A034) ×	Panasonic 50-200mm f/2.8-4 ASPH Power OIS Leica DG Vario-Elmarit (H-ES50200) ×
Notes	Moisture-Resistant Construction; Image Stabilized (CIPA rated to 4-stops); Available mounts: Canon EF, Nikon F	Additional features: Power O.I.S. Image Stabilization compatible with Dual I.S. and Dual I.S. 2; Splashproof / Dustproof / Freezeproof
Aperture (f)	4.00 - 32.00	2.80 - 22.00
Magnification Ratio (x)	0.32	0.25
Filter Size (mm)	67	67
35mm Equivalent	-	100 - 400mm
Type	Telephoto Zoom	Telephoto Zoom
Diaphragm Blades	9	9
Zoom System	Rotary	Rotary
Image Circle	35mm	Micro Four-Thirds
Focal Length (mm)	70.00 - 210.00	50.00 - 200.00
Brand	Tamron	Panasonic
Name	Tamron 70-210mm f/4 Di VC USD (Model A034)	Panasonic 50-200mm f/2.8-4 ASPH Power OIS Leica DG Vario-Elmarit (H-ES50200)
Weight (g)	859	655
Diaphragm Blades Type	rounded	circular
Lens Construction	20 elements in 14 groups, including 3 LD (Low Dispersion) elements; Fluorine Coating	21 elements in 15 groups, including 1 UHR, 2 UED, 2 ED and 2 aspherical elements; Nano Surface Coating
Diagonal Angle of View (degree)	11.80 - 34.30	6.20 - 24.00
Focus Details	Internal using USD (Ultrasonic Silent Drive) motor with continuous manual focus override; AF/MF switch	Internal focus with up to 240fps sensor drive
Diameter (mm)	76	76
Length (mm)	175	132
APS Equivalent	1.5x: 105 - 315mm; 1.6x: 112 - 336mm	-
Closest Focus (m)	0.95	0.75