Sony DT 16-105mm F3.5-5.6 vs Sigma 10-20mm f/4-5.6 EX DC HSM

Both are Sony A lenses for APS-C. Here is what actually differs.

Sony · 2007

Pick the Sony DT 16-105mm F3.5-5.6 if

You need ⅓ stop more light for low light or background blur (f/3.5 vs f/4)
You need more reach: 105mm vs 20mm at the long end
You want bigger close-ups: 0.23× vs 0.15× maximum magnification
You care about the shape of out-of-focus highlights: 7 aperture blades vs 6

Pick the Sigma 10-20mm f/4-5.6 EX DC HSM if

You want a wider view: 10mm vs 16mm at the wide end
Your camera has no AF drive motor: the HSM is built into the lens, the Sony DT 16-105mm F3.5-5.6 needs a screw drive in the body
You shoot close-ups: it focuses down to 0.24 m vs 0.4 m

Spec differences

13 differences

Specifications that differ between the Sony DT 16-105mm F3.5-5.6 and the Sigma 10-20mm f/4-5.6 EX DC HSM
	Sony DT 16-105mm F3.5-5.6	Sigma 10-20mm f/4-5.6 EX DC HSM
Brand	Sony	Sigma
Type	Zoom	Wide Zoom
Focal length	16-105mm	10-20mm
Max aperture	f/3.5 ⅓ stop faster	f/4
Weight	470 g	not listed
Length	83 mm	not listed
Filter thread	62 mm	77 mm
Min focus distance	0.4 m	0.24 m closer
Max magnification	0.23× larger	0.15×
Aperture blades	7 more blades	6
Optical design	15 elements / 11 groups	14 elements / 10 groups
Autofocus motor	screw-drive	HSM
Released	2007	not listed

3 identical specs hidden: mount, format, image stabilization. Show all

Mount: Sony A both
Format: APS-C both
Image stabilization: No both

Our notes

Sony DT 16-105mm F3.5-5.6

The Sony DT 16-105mm F3.5-5.6 is a superzoom lens covering 16-105mm at f/3.5-5.6 for Sony A mount cameras. The wide-to-tele range makes it a one-lens option for travel and everyday shooting.

Our notes

Sigma 10-20mm f/4-5.6 EX DC HSM

The Sigma 10-20mm f/4-5.6 EX DC HSM is an APS-C wide-angle zoom lens covering 10-20mm at f/4-5.6 for Sony A mount cameras, with Hyper Sonic Motor autofocus. It covers wide angles for landscapes, interiors and architecture.