The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Lensbaby Burnside 35 and the Sony E 50mm F1.8 OSS 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 Burnside 35 is the longer of the two lenses at 70mm. The Sony E 50mm F1.8 OSS 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 Sony E 50mm F1.8 OSS's 62mm diameter.
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. Sony E 50mm F1.8 OSS weighs 202g, 45% (172g) lighter than the Lensbaby Burnside 35's weight of 374g.
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
The Lensbaby Burnside 35 has a filter size of 62mm whereas the Sony E 50mm F1.8 OSS has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Lensbaby Burnside 35:
And these are the 49mm filters that we recommend for the Sony E 50mm F1.8 OSS:
Lens Mounts
Both the Lensbaby Burnside 35 and the Sony E 50mm F1.8 OSS 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.
Lensbaby Burnside 35 is also available in Canon EF , Fujifilm X, Micro Four Thirds, Nikon F (FX), Pentax KAF, Samsung NX and Sony Alpha mounts.
Focal Range
Lensbaby Burnside 35 is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm.
On the other hand, the Sony E 50mm F1.8 OSS is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of 75mm when used on a APS-C / DX format camera.