Zeiss Ultra Prime 135mm T1.9 vs Sigma 135mm F1.8 DG HSM Sony
Zeiss Ultra Prime 135mm T1.9 vs Sigma 135mm F1.8 DG HSM Sony
When comparing Sigma 135mm F1.8 DG HSM Sony and Zeiss Ultra Prime 135mm T1.9, which one is better?
1. Largest Aperture Comparison
The Sigma 135mm F1.8 DG HSM - Sony has the largest aperture of the two lenses at 1.8 compared to the 1.9 aperture of Zeiss Ultra Prime 135mm T1.9. This means that you get more light to your sensor using Sigma 135mm F1.8 DG HSM - Sony wide open, and therefore it might be a better lens in dark situations.
Winner: Sigma 135mm F1.8 DG HSM Sony
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.
2. Lens Type Comparison
Both lenses are Prime lenses, which means that you can choose both Zeiss Ultra Prime 135mm T1.9 or Sigma 135mm F1.8 DG HSM - Sony if you're looking for that type of lens.
Winner: Tied
Regarding type: There are two types of lenses; zoom lenses and prime lenses. Prime lenses have a fixed focal length and cannot be zoomed, while zoom lenses have a focal length range and can be zoomed in to get closer to the subject. Prime lenses are usually lighter, cheaper and let in more light. Zoom lenses are more versatile but are more expensive since they require a more advanced lens design.
Specifications
Full specifications table of Zeiss Ultra Prime 135mm T1.9 and Sigma 135mm F1.8 DG HSM Sony:
| Zeiss Ultra Prime 135mm T1.9 | Sigma 135mm F1.8 DG HSM - Sony | |
 |  | |
| Brand | Zeiss | Sigma |
| Weight | Missing | 1130 g |
| Lens Mount | Missing | Sony E |
| Focal Length | 135 mm | 135 mm |
| Largest Aperture | 1.9 | 1.8 |
| Anamorphic | Missing | No |
| Minimum Focus Distance | Missing | 87.5 cm |
| Type | Prime | Prime |
| Aperture Blades | Missing | 9 |
| Lens Groups | Missing | 10 |
| Lens Elements | Missing | 13 |
| Image Stabilization | Missing | No |
| Autofocus | Missing | Evet |
| Macro | Missing | No |
| Weather Seal | Missing | Yes |
| Full Frame Coverage | Missing | Yes |
| Lens Hood Included | Missing | Yes |