We already have some details on the upcoming Tamron 50-400mm f/4.5-6.3 Di III VC VXD, but some more interesting details have been leaked by various retailers. Focal Length: 50-400mm Open F value: F4.5-6.3 Minimum F-number: unknown Aperture blades: unknown Lens configuration: unknown Shortest shooting distance: 0.25m (at 50mm) Maximum magnification: 1:2 (at 50m) Filter diameter: … Continue reading Additional Tamron 50-400mm f/4.5-6.3 Di III VC VXD Details, Size Comparison, MTF, and More