Irix 45mm T1.5 Sony E vs Sony E 70-350mm f4,5-6,3 G OSS
Irix 45mm T1.5 Sony E vs Sony E 70-350mm f4,5-6,3 G OSS
When comparing Sony E 70-350mm f4,5-6,3 G OSS and Irix 45mm T1.5 Sony E, 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. Largest Aperture Comparison
The Irix 45mm T1.5 - Sony E has the largest aperture of the two lenses at 1.5 compared to the 4.5 - 6.3 aperture of Sony E 70-350mm f4,5-6,3 G OSS. This means that you get more light to your sensor using Irix 45mm T1.5 - Sony E wide open, and therefore it might be a better lens in dark situations.
Winner: Irix 45mm T1.5 Sony E
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. Stabilization Comparison
Sony E 70-350mm f4,5-6,3 G OSS features built-in image stabilization and Irix 45mm T1.5 - Sony E does not. Depending on your shooting style, this may be a heavy factor to choose Sony E 70-350mm f4,5-6,3 G OSS instead of Irix 45mm T1.5 - Sony E.
Winner: Sony E 70-350mm f4,5-6,3 G OSS
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.
4. Full Frame Comparison
Both Sony E 70-350mm f4,5-6,3 G OSS and Irix 45mm T1.5 - Sony E cover a full frame sensor and can be used on full frame cameras as well as cameras with smaller sensors.
Winner: Tied — both have this feature
Regarding full frame coverage: All lenses do not cover full frame sensors, but not all cameras are full frame cameras either. If a lens covers a full frame sensor it can be used on all cameras with a matching lens mount, both full frame and crop sensors, except for medium format cameras.
Specifications
Full specifications table of Irix 45mm T1.5 Sony E and Sony E 70-350mm f4,5-6,3 G OSS:
| Irix 45mm T1.5 - Sony E | Sony E 70-350mm f4,5-6,3 G OSS | |
 |  | |
| Brand | Irix | Sony |
| Weight | 1100 g | Missing |
| Lens Mount | Sony E | Sony E |
| Focal Length | 45 mm | 70 - 350 mm |
| Largest Aperture | 1.5 | 4.5 - 6.3 |
| Anamorphic | No | Missing |
| Type | Missing | Zoom |
| Aperture Range | 1.5 - 22 | Missing |
| Filter Thread Diameter | 86 | Missing |
| Lens Front Diameter (Not Filter Thread) | 95 mm | Missing |
| Aperture Blades | 9 | Missing |
| Lens Groups | 9 | Missing |
| Lens Elements | 11 | Missing |
| Image Stabilization | No | Yes |
| Autofocus | No | Missing |
| Macro | No | Missing |
| Weather Seal | Yes | Missing |
| Full Frame Coverage | Yes | Yes |
| Lens Hood Included | No | Yes |
| Stabilization Type | Missing | Sony Optical SteadyShot (OSS) |