Getting back to the lens in question, the Sigma 1424mm F28 DG DN is very appealing in terms of what it offers for the price For landscape and astronomy photography in particular, it lets you squeeze more of your surroundings in the frame than lenses like the Panasonic Lumix S Pro 1635mm f/4 (£1499) and Sony FE 1635mm f28 G Master (£1995), which are £0 and £695 more expensiveThe Sigma 1424mm F28 DG HSM Art ($1,299) is another excellent SLR lens from the leading maker of thirdparty glass It's an ultrawide zoom with a bright f/28 aperture and it doesn't sacrificeSigma 1424mm F28 DG Amazon Prime With its prograde, weathersealed build quality, refined handling, fast autofocus and superb image quality, the Sigma 1424mm DG DN Art is a top choice of superwideangle zoom for Sony and Panasonic mirrorless fullframe cameras It's also reasonably compact and lightweight, considering the Sigma 14 24mm F2 8 Dc Dn Art Review Dustinabbott Net Sigma 14 24mm f2 8 dg dn art review