The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 30mm F1.4 C and the Lensbaby Velvet 56 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. Lensbaby Velvet 56 is the longer of the two lenses at 86mm. The Sigma 30mm F1.4 C with a length of 73mm, is 13mm shorter. Besides being longer, the Lensbaby Velvet 56 also has a larger diameter of 72mm compared to the Sigma 30mm F1.4 C's 65mm diameter.
Below you can find a scaled side-by-side image of Sigma 30mm F1.4 C and Lensbaby Velvet 56 to get a better idea of how their sizes compare in real life.
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 30mm F1.4 C weighs 265g, which means it is 135g (33%) lighter than the Lensbaby Velvet 56 which has a weight of 400g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Micro Four Thirds Mount for size comparison purposes.
Standard Prime Lenses in Micro Four Thirds Mount for Size Comparison
Both the Sigma 30mm F1.4 C and the Lensbaby Velvet 56 has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are , and .
Sigma 30mm F1.4 C is also available in Sony E and Fujifilm X mounts.
Lensbaby Velvet 56 is also available in Canon EF , Fujifilm X, Nikon F (FX), Pentax KAF3, Samsung NX, Sony Alpha and Sony E mounts.
Sigma 30mm F1.4 C is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of 45mm when used on a APS-C / DX format camera. Lensbaby Velvet 56 is a prime lens with fixed focal lenght of 56mm.