The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 45mm F2.8 DG DN C and the Lensbaby Burnside 35 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 Sigma 45mm F2.8 DG DN C with a length of 46mm, is 24mm shorter. Besides being longer, the Lensbaby Burnside 35 also has a larger diameter of 70mm compared to the Sigma 45mm F2.8 DG DN C's 64mm 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. Sigma 45mm F2.8 DG DN C weighs 215g, which means it is 159g (42%) 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 Sony E Mount for size comparison purposes.
Standard Lenses in Sony E Mount for Size Comparison
Filter Threads
The Sigma 45mm F2.8 DG DN C has a filter size of 55mm whereas the Lensbaby Burnside 35 has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 55mm filters that we recommend you to consider for the Sigma 45mm F2.8 DG DN C:
And these are the 62mm filters that we recommend for the Lensbaby Burnside 35:
Lens Mounts
Both the Sigma 45mm F2.8 DG DN C and the Lensbaby Burnside 35 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Sigma 45mm F2.8 DG DN C is also available in the Leica L mount.
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
Sigma 45mm F2.8 DG DN C is a prime lens with fixed focal lenght of 45mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
67.5mm.
On the other hand, the 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.
