The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 65mm F2 DG DN 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 65mm F2 DG DN with a length of 75mm, is 11mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 72mm.
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Below you can find a scaled side-by-side image of Sigma 65mm F2 DG DN 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. Lensbaby Velvet 56 weighs 400g, 1% (5g) lighter than the Sigma 65mm F2 DG DN's weight of 405g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Sony E Mount for size comparison purposes.
Standard Lenses in Sony E Mount for Size Comparison
Filter Threads
Both the Sigma 65mm F2 DG DN and the Lensbaby Velvet 56 have the same Filter thread size of 62mm.
Below are links to the 62mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 65mm F2 DG DN and the Lensbaby Velvet 56 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Sigma 65mm F2 DG DN is also available in Leica L mount.
Lensbaby Velvet 56 is also available in Canon EF , Fujifilm X, Micro Four Thirds, Nikon F (FX), Pentax KAF3, Samsung NX and Sony Alpha mounts.
Focal Range
Sigma 65mm F2 DG DN is a prime lens with fixed focal lenght of 65mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
97.5mm.
On the other hand, the 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 a 35mm (FF) equivalent of 84mm.