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 Lensbaby Velvet 56 for their suitability to various photography scenarios:
Size and Weight Comparison
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 Lensbaby Velvet 56 with a length of 86mm is 20mm shorter. On the other hand, the Lensbaby Velvet 56 has a larger diameter of 72mm compared to Sigma 70mm F2.8 DG Macro's 71mm diameter.
Below you can find the scaled side by side image of Sigma 70mm F2.8 DG Macro and Lensbaby Velvet 56 to get a better idea of how their size compare in real life.
Comparison image of Sigma 70mm F2.8 DG Macro and Lensbaby Velvet 56 Size and Weight 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. Lensbaby Velvet 56 weighs 400g, 22% (115g) lighter than the Sigma 70mm F2.8 DG Macro's weight of 515g.
Lens Mounts
Both Sigma 70mm F2.8 DG Macro and Lensbaby Velvet 56 has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Sigma 70mm F2.8 DG Macro is also available in Canon EF , Sigma SA and Sony E mounts.
Lensbaby Velvet 56 is also available in Canon EF , Fujifilm X, Micro Four Thirds, Pentax KAF3, Samsung NX, Sony Alpha 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 1.5x crop, it provides an 35mm (FF) equivalent of 105mm.
Lensbaby Velvet 56 is a prime lens with fixed focal lenght of 56mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 84mm.