Sigma 70mm f2.8 Macro Art vs Sigma 40mm T1.5 FF (Sony E)
Sigma 70mm f2.8 Macro Art vs Sigma 40mm T1.5 FF (Sony E)
When comparing Sigma 40mm T1.5 FF (Sony E) 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 40mm T1.5 FF - (Sony E) features a Sony E — 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
The Sigma 40mm T1.5 FF - (Sony E) has the largest aperture of the two lenses at 1.5 compared to the 2.8 aperture of Sigma 70mm f2.8 Macro Art. This means that you get more light to your sensor using Sigma 40mm T1.5 FF - (Sony E) wide open, and therefore it might be a better lens in dark situations.
Winner: Sigma 40mm T1.5 FF (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. Lens Type Comparison
Both lenses are Prime lenses, which means that you can choose both Sigma 70mm f2.8 Macro Art or Sigma 40mm T1.5 FF - (Sony E) 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.
4. Macro Comparison
Res
Winner: Sigma 70mm f2.8 Macro Art
Regarding macro: Macro lenses can focus much closer to your subjects and might be suitable when photographing flowers, insects, wildlife and nature.
5. Full Frame Comparison
Both Sigma 40mm T1.5 FF - (Sony E) and Sigma 70mm f2.8 Macro Art 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 Sigma 70mm f2.8 Macro Art and Sigma 40mm T1.5 FF (Sony E):
| Sigma 70mm f2.8 Macro Art | Sigma 40mm T1.5 FF - (Sony E) | |
 |  | |
| Brand | Sigma | Sigma |
| Weight | Missing | 1620 g |
| Lens Mount | Canon EF | Sony E |
| Focal Length | 70 mm | 40 mm |
| Largest Aperture | 2.8 | 1.5 |
| Anamorphic | Missing | No |
| Minimum Focus Distance | Missing | 40 cm |
| Type | Prime | Prime |
| Aperture Range | Missing | 1.5 - 16 |
| Filter Thread Diameter | Missing | 82 |
| Image Stabilization | Missing | Yes |
| Autofocus | Missing | Hayır |
| Macro | Yes | No |
| Weather Seal | Missing | Yes |
| Full Frame Coverage | Yes | Yes |
| Lens Hood Included | Missing | No |