The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM ED 20mm F1.4 Pro 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 OM ED 20mm F1.4 Pro with a length of 62mm, is 8mm shorter. Besides being longer, the Lensbaby Burnside 35 also has a larger diameter of 70mm compared to the OM ED 20mm F1.4 Pro's 63mm 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. OM ED 20mm F1.4 Pro weighs 247g, which means it is 127g (33%) 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 OM ED 20mm F1.4 Pro 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.
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
OM ED 20mm F1.4 Pro is a prime lens with fixed focal lenght of 20mm which has an effective (full-frame 35mm equivalent) focal range of 40mm when used on a FourThirds 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.