Comparison of Nikon 14-24mm f/2.8G IF-ED AF-S Nikkor and Tamron SP 15-30mm f/2.8 Di VC USD G2 (Model A041)

Attribute	Tamron SP 15-30mm f/2.8 Di VC USD G2 (Model A041) ×	Nikon 14-24mm f/2.8G IF-ED AF-S Nikkor ×
Notes	VC Image Stabilization (4.5 stops); Available AF mounts: Canon EF, Nikon F. Integrated flower-shaped hood.	Integrated hood. Included Accessories: Semi-soft Case CL-M3
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Closest Focus (m)	0.28	0.28
Magnification Ratio (x)	0.2	0.15
Type	Wide Zoom	Wide Zoom
Length (mm)	145	131.5
APS Equivalent	1.5x: 22.5 - 45mm; 1.6x: 24 - 48mm	21 - 36mm
Zoom System	Rotating	Rotary
Image Circle	Image Circle	35mm
Focal Length (mm)	15.00 - 30.00	14.00 - 24.00
Brand	Tamron	Nikon
Name	Tamron SP 15-30mm f/2.8 Di VC USD G2 (Model A041)	Nikon 14-24mm f/2.8G IF-ED AF-S Nikkor
Weight (g)	1110	1000
Diaphragm Blades Type	circular	rounded
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	71.60 - 110.50	84.00 - 114.00
Lens Construction	18 elements in 13 groups, including 2 molded glass aspherical elements, 1 XGM (eXpanded Glass Molded) aspherical element and 3 LD elements	14 elements in 11 groups, including 2 ED, 3 aspherical, and one Nano Crystal Coat element
Diameter (mm)	98.4	98
Focus Details	Internal focusing; Ultrasonic Silent Drive USD motor with full-time MF mechanism; Dual MPU (Micro-Processing Unit) system	Silent Wave Motor; Internal Focusing