Tamron 17-28mm f/2.8 Di III RXD vs Sigma 14-24mm F2.8 DG DN | Art 019

Pick the Tamron 17-28mm f/2.8 Di III RXD if

• You want the lighter lens to carry: 375 g lighter (420 g vs 795 g)
• You need more reach: 28mm vs 24mm at the long end
• You shoot close-ups: it focuses down to 0.19 m vs 0.28 m
• You want bigger close-ups: 0.19× vs 0.14× maximum magnification
• You want a compact lens: 99 mm vs 133 mm long
• Our notes say it suits: Interiors and real estate, travel

Pick the Sigma 14-24mm F2.8 DG DN | Art 019 if

• You want a wider view: 14mm vs 17mm at the wide end
• You care about the shape of out-of-focus highlights: 11 aperture blades vs 9
• Our notes say it suits: Astrophotography, architecture and interiors

Our notes

Tamron 17-28mm f/2.8 Di III RXD

A compact wide-angle zoom for Sony full-frame mirrorless with a constant f/2.8 aperture. It weighs about 420 g and takes 67mm filters.

Pros

• Constant f/2.8 across the zoom
• Small and light
• Standard filter thread

Cons

• Limited zoom range
• No stabilization in the lens

Our notes

Sigma 14-24mm F2.8 DG DN | Art 019

A wide-angle f/2.8 zoom for full-frame mirrorless in Sigma's Art line, with a bulbous front element and a dust- and splash-proof structure.

Pros

• Constant f/2.8 at an ultra-wide focal length
• Sharp across the frame
• Dust- and splash-proof structure

Cons

• Curved front element means no screw-in filters
• Weighs about 795 g