Zeiss Ultra Prime 8R T2.8 vs Sigma 90mm f/2.8 DG DN Contemporary (Sony E)
Zeiss Ultra Prime 8R T2.8 vs Sigma 90mm f/2.8 DG DN Contemporary (Sony E)
When comparing Sigma 90mm f/2.8 DG DN Contemporary (Sony E) and Zeiss Ultra Prime 8R T2.8, which one is better?
1. Compare weight
The lens that weighs the least of the two is Sigma 90mm f/2.8 DG DN Contemporary - (Sony E) which weighs 295 g, compared to the loser Zeiss Ultra Prime 8R T2.8 which weighs 2000 g.
Winner: Sigma 90mm f/2.8 DG DN Contemporary (Sony E)
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, Zeiss Ultra Prime 8R T2.8 is the winner with a minimum focusing distance of 35 cm. This can be compared with the minimum focusing distance of 50 cm for Sigma 90mm f/2.8 DG DN Contemporary - (Sony E).
Winner: Zeiss Ultra Prime 8R T2.8
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 Ultra Prime 8R T2.8 and Sigma 90mm f/2.8 DG DN Contemporary (Sony E):
| Zeiss Ultra Prime 8R T2.8 | Sigma 90mm f/2.8 DG DN Contemporary - (Sony E) | |
 |  | |
| Brand | Zeiss | Sigma |
| Weight | 2000 g | 295 g |
| Mount | Missing | Sony E |
| Focal Length | 8 mm | 90 mm |
| Largest Aperture | 2.8 | 2.8 |
| Anamorphic Lens | Missing | No |
| Minimum Focusing Distance | 35 cm | 50 cm |
| Type | Prime | Prime |
| Filter Thread | Missing | 55 |
| Lens Front Diameter (Not Filter Thread) | 134 mm | Missing |
| Stabilization | Missing | No |
| Covers a Full Frame Sensor? | Missing | Yes |