The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 56mm F1.4 DC DN C and the Lensbaby Burnside 35 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 Burnside 35 is the longer of the two lenses at 70mm. The Sigma 56mm F1.4 DC DN C with a length of 60mm, is 10mm shorter. Besides being longer, the Lensbaby Burnside 35 also has a larger diameter of 70mm compared to the Sigma 56mm F1.4 DC DN C's 67mm 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. Sigma 56mm F1.4 DC DN C weighs 280g, which means it is 94g (25%) lighter than the Lensbaby Burnside 35 which has a weight of 374g.
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
Lens Mounts
Both the Sigma 56mm F1.4 DC DN C and the Lensbaby Burnside 35 has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-5, Panasonic GH6 and OM System OM-1.
Sigma 56mm F1.4 DC DN C is also available in Sony E and Leica L mounts.
Lensbaby Burnside 35 is also available in Canon EF , Fujifilm X, Nikon F (FX), Pentax KAF, Samsung NX, Sony Alpha and Sony E mounts.
Focal Range
Sigma 56mm F1.4 DC DN C is a prime lens with fixed focal lenght of 56mm which has an effective (full-frame 35mm equivalent) focal range of 112mm when used on a APS-C / DX format camera. Lensbaby Burnside 35 is a prime lens with fixed focal lenght of 35mm which has an effective (full-frame 35mm equivalent) focal range of 70mm when used on a 35mm FF format camera.