Canon CN-E 30-300mm T2.95-3.7 L S vs Canon EF 135mm f/2L USM
Canon CN-E 30-300mm T2.95-3.7 L S vs Canon EF 135mm f/2L USM
When comparing Canon EF 135mm f/2L USM and Canon CN-E 30-300mm T2.95-3.7 L S, 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 Canon EF 135mm f/2L USM has the largest aperture of the two lenses at 2 compared to the 2.95 - 3.7 aperture of Canon CN-E 30-300mm T2.95-3.7 L S. This means that you get more light to your sensor using Canon EF 135mm f/2L USM wide open, and therefore it might be a better lens in dark situations.
Winner: Canon EF 135mm f/2L USM
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 CN-E 30-300mm T2.95-3.7 L S is a Zoom lens while the Canon EF 135mm f/2L USM 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.
4. Stabilization Comparison
Neither Canon CN-E 30-300mm T2.95-3.7 L S or Canon EF 135mm f/2L USM feature built-in image stabilization.
Winner: Tied — Neither have this feature
Regarding image stabilization: When a lens features built-in stabilization, it will actively help you hold the image steady by adjusting the optical elements inside the lens to compensate for movements. Do remember that lens stabilization is not required, but it may be suitable depending on your specific needs.
5. Autofocus Comparison
In regards to autofocus, the winner is Canon EF 135mm f/2L USM since the other lens in this comparison, the Canon CN-E 30-300mm T2.95-3.7 L S does not have autofocus at all — it is a manual focus lens.
Winner: Canon EF 135mm f/2L USM
Regarding autofocus: Lenses with autofocus help you focus when shooting pictures or video. If a lens only has manual focus it means that you have to focus manually by adjusting the focus wheel on the lens. Most cinema lenses do not use autofocus and are manual focus only.
6. Macro Comparison
Neither Canon CN-E 30-300mm T2.95-3.7 L S or Canon EF 135mm f/2L USM are macro lenses.
Winner: Tied — Neither have this feature
Regarding macro: Macro lenses can focus much closer to your subjects and might be suitable when photographing flowers, insects, wildlife and nature.
Specifications
Full specifications table of Canon CN-E 30-300mm T2.95-3.7 L S and Canon EF 135mm f/2L USM:
| Canon CN-E 30-300mm T2.95-3.7 L S | Canon EF 135mm f/2L USM | |
 |  | |
| Brand | Canon | Canon |
| Lens Mount | Canon EF | Canon EF |
| Focal Length | 30 - 300 mm | 135 mm |
| Largest Aperture | 2.95 - 3.7 | 2 |
| Anamorphic | Missing | No |
| Type | Zoom | Prime |
| Image Stabilization | No | No |
| Parfocal | Yes | Missing |
| Autofocus | Hayır | Evet |
| Macro | No | No |
| Weather Seal | Missing | Yes |
| Full Frame Coverage | Missing | Yes |
| Lens Hood Included | Missing | Yes |