The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 35mm F1.4 GM and the Sigma 35mm F2 DG DN 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. Sony FE 35mm F1.4 GM is the longer of the two lenses at 96mm. The Sigma 35mm F2 DG DN with a length of 65mm, is 31mm shorter. Besides being longer, the Sony FE 35mm F1.4 GM also has a larger diameter of 76mm compared to the Sigma 35mm F2 DG DN's 70mm diameter.
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Below you can find a scaled side-by-side image of Sony FE 35mm F1.4 GM and Sigma 35mm F2 DG DN to get a better idea of how their sizes compare in real life.
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 35mm F2 DG DN weighs 325g, 37% (199g) lighter than the Sony FE 35mm F1.4 GM's weight of 524g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Wideangle Lenses in Sony E Mount for Size Comparison
Filter Threads
The Sony FE 35mm F1.4 GM has a filter size of 67mm whereas the Sigma 35mm F2 DG DN has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Sony FE 35mm F1.4 GM:
And these are the 58mm filters that we recommend for the Sigma 35mm F2 DG DN:
Lens Mounts
Both the Sony FE 35mm F1.4 GM and the Sigma 35mm F2 DG DN 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.
Sigma 35mm F2 DG DN is also available in Leica L mount.
Focal Range
Both lenses have the same focal range of
35mm but while Sony FE 35mm F1.4 GM has the fastest aperture of
F1.4, the Sigma 35mm F2 DG DN's widest aperture value is
F2.0.