these two things together make the lens rather appealing for portraiture. If we want beautifully crisp images edge to edge, then we stop down to f/2 and beyond and then it hardly matters what ...

Best overall The best lens for astrophotography overall The Sigma 14mm f/1.4 DG DN Art lens is great for astrophotography thanks to its speedy autofocusing, but it can handle hybrid shooting as well.

Both lenses offer popular focal lengths with fast f/1.4 apertures, ideal for working in low light and for creating shallow depth of field portraits – I personally relied on a 35mm f/1.4 Sigma ...

That was until very recently, in July earlier this year third-party lens manufacturer Sigma got the green light to release its 18-50mm f/2.8 DC DN C, and followed up with the more recent 10-18mm f ...

If it is sharpness we seek, then this is our lens. Centrally, sharpness is excellent from f/1.4 right through to f/11, and still very good at f/16. The edges are exactly the same, excellent from f ...