Comparison of Nikon 55-300mm ƒ/4.5-5.6G ED VR AF-S DX Nikkor and Vivitar 100-400mm f/4.5-6.7 Series 1 AF

Attribute	Vivitar 100-400mm f/4.5-6.7 Series 1 AF ×	Nikon 55-300mm ƒ/4.5-5.6G ED VR AF-S DX Nikkor ×
Front Element Rotation	-	-
Closest Focus (m)	2	1.4
Lens Construction	12 elements in 9 groups	17 elements in 11 groups, including 1 High Refractive Index (HRI) and 2 ED elements
Length (mm)	162	123
Diaphragm Blades Type	-	rounded
Zoom System	Push-Pull	Rotary
Image Circle	35mm	APS-C
Notes	Available AF mounts: Canon, Minolta, Nikon, Pentax	VR II Image Stabilization (up to 4 stops) with Tripod Detection Mode; Nikon Super Integrated Coating (SIC)
Name	Vivitar 100-400mm f/4.5-6.7 Series 1 AF	Nikon 55-300mm ƒ/4.5-5.6G ED VR AF-S DX Nikkor
Brand	Vivitar	Nikon
Weight (g)	740	580
Type	Telephoto Zoom	Telephoto Zoom
Focus Details	AF/MF switch	AF-S with Silent Wave Motor (SWM); M/A focus mode switch
Magnification Ratio (x)	0.25	0.28
Focal Length (mm)	100.00 - 400.00	55.00 - 300.00
Filter Size (mm)	67	58
APS Equivalent	1.5x: 150 - 600mm; 1.6x: 160 - 640mm	82.5 - 450mm
Aperture (f)	4.50 - 32.00	4.50 - 29.00
Diaphragm Blades	-	9
Diagonal Angle of View (degree)	6.40 - 24.00	5.30 - 28.80
Diameter (mm)	74.2	76.5