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 a crucial factor to consider 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.
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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 equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended 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 Lenses in Micro Four Thirds Mount for Size Comparison
Filter Threads
The Sigma 30mm F1.4 C has a filter size of 52mm whereas the Lensbaby Velvet 56 has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Sigma 30mm F1.4 C:
And these are the 62mm filters that we recommend for the Lensbaby Velvet 56:
Lens Mounts
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 , Fujifilm X and Nikon Z 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.
Focal Range
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.
On the other hand, the Lensbaby Velvet 56 is a prime lens with fixed focal lenght of 56mm.