Canon EF 24-70mm F/2.8L II USM vs Samyang 135mm f/2 ED UMC (Canon EF Mount)
Canon EF 24-70mm F/2.8L II USM vs Samyang 135mm f/2 ED UMC (Canon EF Mount)
When comparing Samyang 135mm f/2 ED UMC (Canon EF Mount) and Canon EF 24-70mm F/2.8L II USM, which one is better?
1. Lens Mount Comparison
These two lenses use the same lens mount, the Canon EF. 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. Largest Aperture Comparison
The Samyang 135mm f/2 ED UMC - (Canon EF Mount) has the largest aperture of the two lenses at 2 compared to the 2.8 aperture of Canon EF 24-70mm F/2.8L II USM. This means that you get more light to your sensor using Samyang 135mm f/2 ED UMC - (Canon EF Mount) wide open, and therefore it might be a better lens in dark situations.
Winner: Samyang 135mm f/2 ED UMC (Canon EF Mount)
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.
3. Lens Type Comparison
The Canon EF 24-70mm F/2.8L II USM is a Zoom lens while the Samyang 135mm f/2 ED UMC - (Canon EF Mount) is a Prime lens. Whether or not a zoom lens or a prime lens is what you need, is up to you to decide; they both have their respective strengths and weaknesses.
Winner: Tied — It depends on your gear
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 Canon EF 24-70mm F/2.8L II USM and Samyang 135mm f/2 ED UMC (Canon EF Mount):
| Canon EF 24-70mm F/2.8L II USM | Samyang 135mm f/2 ED UMC - (Canon EF Mount) | |
 |  | |
| Brand | Canon | Samyang |
| Lens Mount | Canon EF | Canon EF |
| Focal Length | 24 - 70 mm | 85 mm |
| Largest Aperture | 2.8 | 2 |
| Type | Zoom | Prime |
| Image Stabilization | Missing | No |
| Autofocus | Missing | Hayır |
| Macro | Missing | No |