The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 70mm F2.8 DG Macro and the Canon MP-E 65mm f2.5 1-5x Macro for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Sigma 70mm F2.8 DG Macro is the longer of the two lenses at 106mm. The Canon MP-E 65mm f2.5 1-5x Macro with a length of 98mm, is 8mm shorter. On the other hand, the Canon MP-E 65mm f2.5 1-5x Macro has a larger diameter of 81mm compared to the Sigma 70mm F2.8 DG Macro's 71mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sigma 70mm F2.8 DG Macro weighs 515g, which means it is 195g (27%) lighter than the Canon MP-E 65mm f2.5 1-5x Macro which has a weight of 710g.
Below you can find the dimension and weight table of the Macro Prime Lenses in Canon EF Mount for size comparison purposes.
Macro Prime Lenses in Canon EF Mount for Size Comparison
Lens Mounts
Both the Sigma 70mm F2.8 DG Macro and the Canon MP-E 65mm f2.5 1-5x Macro has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Sigma 70mm F2.8 DG Macro is also available in Nikon F (FX) , Sigma SA and Sony E mounts.
Focal Range
Sigma 70mm F2.8 DG Macro is a prime lens with fixed focal lenght of 70mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 112mm.
Canon MP-E 65mm f2.5 1-5x Macro is a prime lens with fixed focal lenght of 65mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 104mm.