Why This f/2.8 Travel Zoom Starts at 20mm Instead of 24mm
Most full frame zooms start at 24mm, but this one opens at 20mm and weighs less than a pound. That extra width changes what a single travel lens can cover, and it forces a real decision about reach. The lens under review is the Sigma 20-60mm f/2.8-4 DG, and Christopher Frost tests it on a Sony a7C R with a 61-megapixel sensor. It sells for £749 in the UK or $849 in the US and comes in Sony E-mount and L-mount versions. Frost points out the obvious tradeoff right away: this lens tops out at 60mm
Most full frame zooms start at 24mm, but this one opens at 20mm and weighs less than a pound. That extra width changes what a single travel lens can cover, and it forces a real decision about reach. The lens under review is the Sigma 20-60mm f/2.8-4 DG, and Christopher Frost tests it on a Sony a7C R with a 61-megapixel sensor. It sells for £749 in the UK or $849 in the US and comes in Sony E-mount and L-mount versions. Frost points out the obvious tradeoff right away: this lens tops out at 60mm, while most rivals reach 70mm. You can crop into a 60mm frame if you need a little more reach, but…