Sigma 65mm F2 DG DN (Sony E Mount) vs Sirui 135mm T2.9 1.8x (Sony E Mount)
Sigma 65mm F2 DG DN (Sony E Mount) vs Sirui 135mm T2.9 1.8x (Sony E Mount)
When comparing Sirui 135mm T2.9 1.8x (Sony E Mount) and Sigma 65mm F2 DG DN (Sony E Mount), which one is better?
1. Lens Mount Comparison
These two lenses use the same lens mount, the Sony E. This means that both lenses are compatible with cameras that use this mount.
Winner: Tied
Regarding lens mount: Popular lens mounts are Canon RF and EF, Micro Four Thirds and Nikon Z. Different lens mounts lets you connect different lenses to camera bodies, but some might not be compatible. This can be helped by using an adapter, like a Canon EF to RF adapter.
2. Anamorphic Comparison
Winner: Sirui 135mm T2.9 1.8x (Sony E Mount)
Regarding anamorphic: Anamorphic lenses are usually used on cinema cameras and squeezes the image when its recorded, which gives the final, stretched out, image oval bokeh and a different angle of view. The most common lenses, however, are not anamorphic but spherical, which gives a spherical bokeh and is a much cheaper lens design.
Specifications
Full specifications table of Sigma 65mm F2 DG DN (Sony E Mount) and Sirui 135mm T2.9 1.8x (Sony E Mount):
| Sigma 65mm F2 DG DN (Sony E Mount) | Sirui 135mm T2.9 1.8x - (Sony E Mount) | |
 |  | |
| Brand | Sigma | Sirui |
| Lens Mount | Sony E | Sony E |
| Focal Length | Missing | 135 mm |
| Largest Aperture | Missing | 2.9 |
| Anamorphic | No | Yes |
| Anamorphic Squeeze Factor | Missing | 1.8 |
| Lens Front Diameter (Not Filter Thread) | 62 mm | Missing |