Viltrox 75mm f/1.2 AF (Fuji FX) vs Fujifilm Fujinon XF 50-140mm f/2.8 R LM OIS WR
Viltrox 75mm f/1.2 AF (Fuji FX) vs Fujifilm Fujinon XF 50-140mm f/2.8 R LM OIS WR
When comparing Fujifilm Fujinon XF 50-140mm f/2.8 R LM OIS WR and Viltrox 75mm f/1.2 AF (Fuji FX), which one is better?
1. Lens Weight Comparison
Regarding the weight of the lenses, Viltrox 75mm f/1.2 AF - (Fuji FX) is the winner with a weight of 670 g compared to the 995 g that Fujifilm Fujinon XF 50-140mm f/2.8 R LM OIS WR weighs.
Winner: Viltrox 75mm f/1.2 AF (Fuji FX)
Regarding weight: The weight of a lens is something you need to consider, since you have to carry it around on the camera as long as you're shooting. It adds to the total weight of your camera and it's important to keep the weight low if you get tired in your arms when taking photographs or filming.
2. Lens Mount Comparison
These two lenses use the same lens mount, the Fujifilm XF. 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.
3. Largest Aperture Comparison
The Viltrox 75mm f/1.2 AF - (Fuji FX) has the largest aperture of the two lenses at 1.2 compared to the 2.8 aperture of Fujifilm Fujinon XF 50-140mm f/2.8 R LM OIS WR. This means that you get more light to your sensor using Viltrox 75mm f/1.2 AF - (Fuji FX) wide open, and therefore it might be a better lens in dark situations.
Winner: Viltrox 75mm f/1.2 AF (Fuji FX)
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.
4. Focus Distance Comparison
Viltrox 75mm f/1.2 AF - (Fuji FX) features a minimum focus distance of 88 cm while Fujifilm Fujinon XF 50-140mm f/2.8 R LM OIS WR has a minimum focus distance of 100 cm. Depending on your shooting style, the Viltrox 75mm f/1.2 AF - (Fuji FX) might be a better choice.
Winner: Viltrox 75mm f/1.2 AF (Fuji FX)
Regarding minimum focus distance: The minimum focus distance of a lens is the smallest distance from the lens to the subject you want to be in focus; subjects closer than the lens' minimum focus distance will not be in focus. Whether or not this is important to you is up for you to decide, but some want to take close photos and videos and in those cases it's important to have a lens with a low minimum focus distance.
5. Lens Type Comparison
The Viltrox 75mm f/1.2 AF - (Fuji FX) is a Prime lens while the Fujifilm Fujinon XF 50-140mm f/2.8 R LM OIS WR is a Zoom 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 Viltrox 75mm f/1.2 AF (Fuji FX) and Fujifilm Fujinon XF 50-140mm f/2.8 R LM OIS WR:
| Viltrox 75mm f/1.2 AF - (Fuji FX) | Fujifilm Fujinon XF 50-140mm f/2.8 R LM OIS WR | |
 |  | |
| Brand | Viltrox | Fujifilm |
| Weight | 670 g | 995 g |
| Lens Mount | Fujifilm XF | Fujifilm XF |
| Focal Length | 75 mm | 50 - 140 mm |
| Largest Aperture | 1.2 | 2.8 |
| Anamorphic | No | Missing |
| Minimum Focus Distance | 88 cm | 100 cm |
| Type | Prime | Zoom |
| Aperture Range | 1.2 - 16 | Missing |
| Filter Thread Diameter | Missing | 72 |
| Lens Groups | 11 | 16 |
| Lens Elements | 16 | 23 |
| Image Stabilization | No | Missing |
| Autofocus | Evet | Missing |
| Macro | No | Missing |
| Weather Seal | Missing | Yes |
| Full Frame Coverage | Missing | No |
| Lens Hood Included | Missing | Yes |