Sigma 40mm T1.5 FF (Sony E) vs Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF
Sigma 40mm T1.5 FF (Sony E) vs Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF
When comparing Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF and Sigma 40mm T1.5 FF (Sony E), which one is better?
1. Compare weight
The lens that weighs the least of the two is Sigma 18-50mm f/2,8 DC DN Contemporary - Fuji XF which weighs 290 g, compared to the loser Sigma 40mm T1.5 FF - (Sony E) which weighs 1620 g.
Winner: Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF
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 18-50mm f/2,8 DC DN Contemporary - Fuji XF is the winner with a minimum focusing distance of 12 cm. This can be compared with the minimum focusing distance of 40 cm for Sigma 40mm T1.5 FF - (Sony E).
Winner: Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF
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 Sigma 40mm T1.5 FF (Sony E) and Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF:
| Sigma 40mm T1.5 FF - (Sony E) | Sigma 18-50mm f/2,8 DC DN Contemporary - Fuji XF | |
 |  | |
| Brand | Sigma | Sigma |
| Weight | 1620 g | 290 g |
| Mount | Sony E | Fujifilm X |
| Focal Length | 40 mm | 18 - 50 mm |
| Largest Aperture | 1.5 | 2.8 |
| Anamorphic Lens | No | No |
| Minimum Focusing Distance | 40 cm | 12 cm |
| Type | Prime | Zoom |
| Filter Thread | 82 | 55 |
| Lens Front Diameter (Not Filter Thread) | Missing | 7 mm |
| Stabilization | Yes | No |
| Covers a Full Frame Sensor? | Yes | No |