Zeiss Ultra Prime 8R T2.8 vs Sigma EX 105/2.8 DG OS HSM Macro (Sony)
Zeiss Ultra Prime 8R T2.8 vs Sigma EX 105/2.8 DG OS HSM Macro (Sony)
When comparing Sigma EX 105/2.8 DG OS HSM Macro (Sony) and Zeiss Ultra Prime 8R T2.8, which one is better?
1. Largest Aperture Comparison
Both lenses share the same aperture of 2.8 — this means that you may buy both Zeiss Ultra Prime 8R T2.8 and Sigma EX 105/2.8 DG OS HSM Macro - (Sony) in this regard; they''re the same.
Winner: Tied
Regarding largest aperture: A lower aperture number means that the widest aperture on the lens is larger. This means that more light will hit the sensor and also that the depth of field will be shallower, better separating your subject from the background.
Specifications
Full specifications table of Zeiss Ultra Prime 8R T2.8 and Sigma EX 105/2.8 DG OS HSM Macro (Sony):
| Zeiss Ultra Prime 8R T2.8 | Sigma EX 105/2.8 DG OS HSM Macro - (Sony) | |
 |  | |
| Brand | Zeiss | Sigma |
| Weight | 2000 g | Missing |
| Lens Mount | Missing | Sony E |
| Focal Length | 8 mm | 105 mm |
| Largest Aperture | 2.8 | 2.8 |
| Minimum Focus Distance | 35 cm | Missing |
| Type | Prime | Missing |
| Aperture Range | 2.8 - 22 | Missing |
| Lens Front Diameter (Not Filter Thread) | 134 mm | Missing |