Comparison of Sigma Macro 105mm f/2.8 EX DG and Sony SAL-16105 DT 16-105mm f/3.5-5.6

Attribute	Sigma Macro 105mm f/2.8 EX DG ×	Sony SAL-16105 DT 16-105mm f/3.5-5.6 ×
Filter Size (mm)	58	62
Notes	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax, Four-Thirds; Included Accessories: Lens Hood	Included Accessories: C-SH104 Lens Hood
Closest Focus (m)	0.31	0.4
Magnification Ratio (x)	1	0.23
Type	Telephoto Prime Macro	Standard Zoom
Focus Details	Dual Focus mechanism with limiter	Internal
APS Equivalent	1.5x: 157.5mm; 1.6x: 168mm	24 - 158mm
Diameter (mm)	74	72
Image Circle	35mm	APS-C
Focal Length (mm)	105.00	16.00 - 105.00
Brand	Sigma	Sony
Name	Sigma Macro 105mm f/2.8 EX DG	Sony SAL-16105 DT 16-105mm f/3.5-5.6
Weight (g)	457	470
Aperture (f)	2.80 - 45.00	3.50 - 36.00
Diaphragm Blades	8	7
Diagonal Angle of View (degree)	23.30	-
Length (mm)	97.5	83
Zoom System	-	Rotary
Lens Construction	11 elements in 10 groups	15 elements in 11 groups, including ED and 2 aspherical elements