Comparison of Nikon 300mm f/2.8G ED-IF AF-S VR 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-IF AF-S VR Nikkor ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Filter Size (mm)	105	52
Notes	Includes Lens Hood (LH-120B) and Lens Case (LSH-1738)	Image Stabilization; Included Accessories: 52mm filter holder, LN-1 Strap, HK-30 Hood, CL-L1 Semi soft case
Closest Focus (m)	2.5	2.2
Magnification Ratio (x)	0.08	0.16
Zoom System	Rotary	-
Type	Telephoto Zoom	Telephoto Prime
APS Equivalent	-	450mm
Diaphragm Blades	9	9
Image Circle	Image Circle	35mm
Focal Length (mm)	90.00 - 250.00	300.00
Brand	Olympus	Nikon
Name	Olympus 90-250mm f/2.8 PRO ED Zuiko Digital	Nikon 300mm f/2.8G ED-IF AF-S VR Nikkor
Weight (g)	3270	2850
Diagonal Angle of View (degree)	5.00 - 14.00	8.20
Length (mm)	276	268
Diameter (mm)	124	124
Focus Details	-	Internal with SWM, manual focus, and focus preset with Memory Recall; Focus Limiter Switch
35mm Equivalent	180 - 500mm	-
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