Comparison of Nikon 105mm f/2.8G IF-ED AF-S VR Micro Nikkor and Sigma 105mm ƒ/2.8 EX DG OS HSM Macro

Attribute	Nikon 105mm f/2.8G IF-ED AF-S VR Micro Nikkor ×	Sigma 105mm ƒ/2.8 EX DG OS HSM Macro ×
Filter Size (mm)	62	62
Notes	Image Stabilization; Included Accessories: Bayonet hood (HB-38), Flexible lens pouch (CL-1020)	Image Stabilized. Planned AF Mounts: Canon, Nikon, Pentax, Sigma, Sony. Included Accessories: Case, Bayonet type Hood (LH680-03), Hood Adapter (HA680
Closest Focus (m)	0.31	0.31
Magnification Ratio (x)	1	1
Type	Telephoto Prime Macro	Telephoto Prime Macro
Focus Details	Internal with Silent Wave motor; M/A switch for fast transitions between AF and MF	HSM with full-time manual override, focus limiter
APS Equivalent	157.5mm	1.5x: 157.5mm; 1.6x: 168mm
Diameter (mm)	83	78.3
Image Circle	35mm	35mm
Focal Length (mm)	105.00	105.00
Brand	Nikon	Sigma
Name	Nikon 105mm f/2.8G IF-ED AF-S VR Micro Nikkor	Sigma 105mm ƒ/2.8 EX DG OS HSM Macro
Weight (g)	790	725
Aperture (f)	2.80 - 32.00	2.80 - 22.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	23.33	23.30
Length (mm)	116	126.4
Diaphragm Blades Type	-	rounded
Lens Construction	14 elements in 12 groups, including 1 ED glass element and 1 Nano Crystal Coat-deposited lens element	16 elements in 11 groups