Sony 35mm f/1.4 GM vs Sigma 40mm T1.5 FF (Sony E)
Sony 35mm f/1.4 GM vs Sigma 40mm T1.5 FF (Sony E)
When comparing Sigma 40mm T1.5 FF (Sony E) and Sony 35mm f/1.4 GM, which one is better?
1. Compare weight
The lens that weighs the least of the two is Sony 35mm f/1.4 GM which weighs 524 g, compared to the loser Sigma 40mm T1.5 FF - (Sony E) which weighs 1620 g.
Winner: Sony 35mm f/1.4 GM
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, Sony 35mm f/1.4 GM is the winner with a minimum focusing distance of 27 cm. This can be compared with the minimum focusing distance of 40 cm for Sigma 40mm T1.5 FF - (Sony E).
Winner: Sony 35mm f/1.4 GM
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 Sony 35mm f/1.4 GM and Sigma 40mm T1.5 FF (Sony E):
| Sony 35mm f/1.4 GM | Sigma 40mm T1.5 FF - (Sony E) | |
 |  | |
| Brand | Sony | Sigma |
| Weight | 524 g | 1620 g |
| Mount | Sony E | Sony E |
| Focal Length | 35 mm | 40 mm |
| Largest Aperture | 1.4 | 1.5 |
| Anamorphic Lens | No | No |
| Minimum Focusing Distance | 27 cm | 40 cm |
| Type | Prime | Prime |
| Filter Thread | Missing | 82 |
| Stabilization | No | Yes |
| Parfocal | Yes | Missing |
| Covers a Full Frame Sensor? | Missing | Yes |