The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Lensbaby Velvet 56 and the Samsung 45mm F1.8 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 Samsung 45mm F1.8 with a length of 45mm, is 41mm shorter. Besides being longer, the Lensbaby Velvet 56 also has a larger diameter of 72mm compared to the Samsung 45mm F1.8's 62mm 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. Samsung 45mm F1.8 weighs 115g, 71% (285g) lighter than the Lensbaby Velvet 56's weight of 400g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Samsung NX Mount for size comparison purposes.
Standard Prime Lenses in Samsung NX Mount for Size Comparison
Lens Mounts
Both the Lensbaby Velvet 56 and the Samsung 45mm F1.8 has the same Samsung NX lens mount. Some of the latest released cameras that are compatible with the Samsung NX lenses are Samsung NX500, Samsung NX1 and Samsung NX3000.
Lensbaby Velvet 56 is also available in Canon EF , Fujifilm X, Micro Four Thirds, Nikon F (FX), Pentax KAF3, Sony Alpha and Sony E mounts.
Focal Range
Lensbaby Velvet 56 is a prime lens with fixed focal lenght of 56mm. Samsung 45mm F1.8 is a prime lens with fixed focal lenght of 45mm which has an effective (full-frame 35mm equivalent) focal range of 67.5mm when used on a APS-C / DX format camera.