Zeiss Planar T* FE 50mm F1.4 ZA vs Sigma 40mm f/1.4 DG HSM Art (Sony E Mount)
Zeiss Planar T* FE 50mm F1.4 ZA vs Sigma 40mm f/1.4 DG HSM Art (Sony E Mount)
When comparing Sigma 40mm f/1.4 DG HSM Art (Sony E Mount) and Zeiss Planar T* FE 50mm F1.4 ZA, which one is better?
1. Compare weight
The lens that weighs the least of the two is Zeiss Planar T* FE 50mm F1.4 ZA which weighs 778 g, compared to the loser Sigma 40mm f/1.4 DG HSM Art - (Sony E Mount) which weighs 1200 g.
Winner: Zeiss Planar T* FE 50mm F1.4 ZA
Regarding weight: When it comes to the lens's weight, it's actually more important than many people think that the lens weighs as little as possible — it's simply a pain to lug around a lens that's too heavy when you're photographing or filming for several hours, and a few hundred grams can make a real difference.
2. Compare minimum focusing distance
When it comes to minimum focusing distance, that is how close to the subject the lens can focus, Sigma 40mm f/1.4 DG HSM Art - (Sony E Mount) is the winner with a minimum focusing distance of 40 cm. This can be compared with the minimum focusing distance of 45 cm for Zeiss Planar T* FE 50mm F1.4 ZA.
Winner: Sigma 40mm f/1.4 DG HSM Art (Sony E Mount)
Regarding minimum focusing distance: The lens's minimum focusing distance determines how close you can photograph your subject, such as a face or an animal. If the minimum focusing distance is 50 cm then you cannot get closer to your subject than 50 cm. Macro lenses often have a very low minimum focusing distance so that you can take close-up shots (macro photography).
Specifications
Full specifications table of Zeiss Planar T* FE 50mm F1.4 ZA and Sigma 40mm f/1.4 DG HSM Art (Sony E Mount):
| Zeiss Planar T* FE 50mm F1.4 ZA | Sigma 40mm f/1.4 DG HSM Art - (Sony E Mount) | |
 |  | |
| Brand | Zeiss | Sigma |
| Weight | 778 g | 1200 g |
| Mount | Sony E | Sony E |
| Focal Length | 50 mm | 40 mm |
| Largest Aperture | 1.4 | 1.4 |
| Anamorphic Lens | No | No |
| Minimum Focusing Distance | 45 cm | 40 cm |
| Type | Prime | Prime |
| Filter Thread | 72 | 82 |
| Lens Front Diameter (Not Filter Thread) | 83.5 mm | Missing |
| Stabilization | No | No |
| Covers a Full Frame Sensor? | Missing | Yes |