Sigma 70mm f2.8 Macro Art vs Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF
Sigma 70mm f2.8 Macro Art vs Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF
When comparing Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF and Sigma 70mm f2.8 Macro Art, which one is better?
1. Lens Mount Comparison
The lenses each feature different lens mounts — the Sigma 70mm f2.8 Macro Art features a Canon EF while the Sigma 18-50mm f/2,8 DC DN Contemporary - Fuji XF features a Fujifilm XF — and because of this the preference varies. If you have a compatible camera, then of course that lens will be a better choice for you.
Winner: Tied — It depends on your gear
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
Both lenses share the same aperture of 2.8 — this means that you may buy both Sigma 70mm f2.8 Macro Art and Sigma 18-50mm f/2,8 DC DN Contemporary - Fuji XF in this regard; they''re the same.
Winner: Tied
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 Sigma 70mm f2.8 Macro Art is a Prime lens while the Sigma 18-50mm f/2,8 DC DN Contemporary - Fuji XF 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.
4. Full Frame Comparison
Sigma 70mm f2.8 Macro Art covers a full frame sensor while Sigma 18-50mm f/2,8 DC DN Contemporary - Fuji XF does not. If you have a full frame camera then Sigma 70mm f2.8 Macro Art is the only choice for you in this comparison.
Winner: Sigma 70mm f2.8 Macro Art
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 Sigma 70mm f2.8 Macro Art and Sigma 18-50mm f/2,8 DC DN Contemporary Fuji XF:
| Sigma 70mm f2.8 Macro Art | Sigma 18-50mm f/2,8 DC DN Contemporary - Fuji XF | |
 |  | |
| Brand | Sigma | Sigma |
| Weight | Missing | 290 g |
| Lens Mount | Canon EF | Fujifilm XF |
| Focal Length | 70 mm | 18 - 50 mm |
| Largest Aperture | 2.8 | 2.8 |
| Anamorphic | Missing | No |
| Minimum Focus Distance | Missing | 12 cm |
| Type | Prime | Zoom |
| Aperture Range | Missing | 2.8 - 22 |
| Filter Thread Diameter | Missing | 55 |
| Lens Front Diameter (Not Filter Thread) | Missing | 7 mm |
| Lens Groups | Missing | 10 |
| Lens Elements | Missing | 13 |
| Image Stabilization | Missing | No |
| Autofocus | Missing | Evet |
| Macro | Yes | Missing |
| Full Frame Coverage | Yes | No |