Which lens to get for multiple formats

[Harry]

Ah, it was here’

Best lens? Sigma 105mm f/2.8 DG DN Macro Art

I briefly checked data published by sigma Specifications | 105mm F2.8 DG DN MACRO | Art | Lenses | SIGMA Corporation Specifications | 70mm F2.8 DG MACRO | Art | Lenses | SIGMA Corporation And found that the lenses are about the same length and weight. From a physical point of view, they are close to be equal (±) Minimum focusing distances are 11.6 and 10.2 inches respectively, about 1.5 inches or 4cm. which is not the world either. add 0.5 inches for physical length and the cameras will be 2…