Comparison of Nikon 300mm f/2.8G ED AF-S VR II Nikkor and Olympus 90-250mm f/2.8 PRO ED Zuiko Digital

Attribute	Olympus 90-250mm f/2.8 PRO ED Zuiko Digital ×	Nikon 300mm f/2.8G ED AF-S VR II Nikkor ×
Magnification Ratio (x)	0.08	0.16
Filter Size (mm)	105	52
Focus Details	-	Internal with SWM; 3 focus modes (M, M/A and A/M), focus preset with Memory Recall, Focus Limiter Switch
Closest Focus (m)	2.5	2.3
Zoom System	Rotary	-
Lens Construction	17 elements in 12 groups, including 3 ED elements	11 elements in 8 groups (including 3 ED glass elements and 1 meniscus protective glass element)
Focal Length (mm)	90.00 - 250.00	300.00
Diaphragm Blades Type	-	rounded
Brand	Olympus	Nikon
Image Circle	Image Circle	35mm
Name	Olympus 90-250mm f/2.8 PRO ED Zuiko Digital	Nikon 300mm f/2.8G ED AF-S VR II Nikkor
Weight (g)	3270	2900
Type	Telephoto Zoom	Telephoto Prime
Notes	Includes Lens Hood (LH-120B) and Lens Case (LSH-1738)	Image Stabilization
APS Equivalent	-	450mm
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	5.00 - 14.00	8.20
Length (mm)	276	267.5
35mm Equivalent	180 - 500mm	-
Diameter (mm)	124	124