Lens comparison

Sony E PZ 10-20mm F4 G vs Sigma 10-18mm F2.8 DC DN

Side by side on the Sony a6700: the view each gives, the weight with the camera and their sizes to one scale. No winner: the numbers that differ are the choice.

Side views to one scale from the makers' published sizes, mount on the left.

2 lenses on the Sony a6700
LensSony E PZ 10-20mm F4 GSigma 10-18mm F2.8 DC DN Contemporary
Focal length10–20 mm10–18 mm
View on the a670015–30 mm equiv.15–27 mm equiv.
Maximum aperturef/4f/2.8
StabilisedSameNoNo
Made forSameAPS-CAPS-C
Weight178 g255 g
With the a6700671 g748 g
Length × diameter55 × 69.8 mm64 × 72.2 mm
Filter62 mm67 mm
Closest focus20 cm12 cm
Magnification0.14x0.25x
Weather sealingYesNot stated
FitSameFits and worksFits and works

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Questions

Which is lighter on the a6700?

Sony E PZ 10-20mm F4 G: Sony E PZ 10-20mm F4 G 671 g against Sigma 10-18mm F2.8 DC DN 748 g with the camera, battery and card.

Which one is sharper?

We do not test lenses, so we cannot say; read reviews from people who have used both. The table compares what the makers publish.

Facts checked 9 Oct 2026 against the makers' specification pages. How we check