Sony Vario-Sonnar T* DT 16-80mm f/3.5-4.5 ZA lens 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

Vario-Sonnar T* DT 16-80mm f/3.5-4.5 ZA lens

f/3.5440 gscrew-drive

Check price Full specs

Sigma

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

f/4HSM

Full specs

Pick the Sony Vario-Sonnar T* DT 16-80mm f/3.5-4.5 ZA lens if

You need ⅓ stop more light for low light or background blur (f/3.5 vs f/4)
You need more reach: 80mm vs 20mm at the long end
You want bigger close-ups: 0.25× vs 0.15× maximum magnification
You care about the shape of out-of-focus highlights: 7 aperture blades vs 6
Our notes say it suits: Premium crop-sensor walk-around, landscape and travel, everyday photography

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 Vario-Sonnar T* DT 16-80mm f/3.5-4.5 ZA lens needs a screw drive in the body
You shoot close-ups: it focuses down to 0.24 m vs 0.35 m

Spec differences

12 differences

Specifications that differ between the Sony Vario-Sonnar T* DT 16-80mm f/3.5-4.5 ZA lens and the Sigma 10-20mm f/4-5.6 EX DC HSM
	Sony Vario-Sonnar T* DT 16-80mm f/3.5-4.5 ZA lens	Sigma 10-20mm f/4-5.6 EX DC HSM
Brand	Sony	Sigma
Type	Zoom	Wide Zoom
Focal length	16-80mm	10-20mm
Max aperture	f/3.5 ⅓ stop faster	f/4
Weight	440 g	not listed
Length	83 mm	not listed
Filter thread	62 mm	77 mm
Min focus distance	0.35 m	0.24 m closer
Max magnification	0.25× larger	0.15×
Aperture blades	7 more blades	6
Autofocus motor	screw-drive	HSM
Released	2007	not listed

4 identical specs hidden: mount, format, optical design, image stabilization. Show all

Mount: Sony A both
Format: APS-C both
Optical design: 14 elements / 10 groups both
Image stabilization: No both

Our notes

Sony Vario-Sonnar T* DT 16-80mm f/3.5-4.5 ZA lens

The Zeiss 16-80mm standard zoom for APS-C A-mount cameras, with screw-drive autofocus. It weighs about 440 g and takes 62mm filters.

Pros

Zeiss optics
Useful 16-80mm range
Close focus of 0.35 m
Modest weight at about 440 g

Cons

Screw-drive AF is slow
f/3.5-4.5 is not fast
Not weather sealed

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.