Zeiss Master Prime 21mm T1.3 vs Atlas Orion 21mm T2 2x
Zeiss Master Prime 21mm T1.3 vs Atlas Orion 21mm T2 2x
When comparing Atlas Orion 21mm T2 2x and Zeiss Master Prime 21mm T1.3, which one is better?
1. Largest Aperture Comparison
The Zeiss Master Prime 21mm T1.3 has the largest aperture of the two lenses at 1.3 compared to the 2 aperture of Atlas Orion 21mm T2 2x. This means that you get more light to your sensor using Zeiss Master Prime 21mm T1.3 wide open, and therefore it might be a better lens in dark situations.
Winner: Zeiss Master Prime 21mm T1.3
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 Master Prime 21mm T1.3 or Atlas Orion 21mm T2 2x 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 Master Prime 21mm T1.3 and Atlas Orion 21mm T2 2x:
| Zeiss Master Prime 21mm T1.3 | Atlas Orion 21mm T2 2x | |
 |  | |
| Brand | Zeiss | Atlas Lens Co. |
| Lens Mount | Missing | Arri PL Mount |
| Focal Length | 21 mm | 21 mm |
| Largest Aperture | 1.3 | 2 |
| Anamorphic | Missing | Yes |
| Anamorphic Squeeze Factor | Missing | 2 |
| Type | Prime | Prime |
| Image Stabilization | Missing | No |
| Autofocus | Missing | Hayır |
| Macro | Missing | No |
| Weather Seal | Missing | No |
| Full Frame Coverage | Missing | No |
| Lens Hood Included | Missing | No |