The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica TL 35mm F1.4 ASPH 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. Leica TL 35mm F1.4 ASPH is the longer of the two lenses at 77mm. The Sigma 35mm F2 DG DN with a length of 65mm, is 12mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 70mm.
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Below you can find a scaled side-by-side image of Leica TL 35mm F1.4 ASPH 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. Leica TL 35mm F1.4 ASPH weighs 128g, which means it is 197g (60%) lighter than the Sigma 35mm F2 DG DN which has a weight of 325g.
Filter Threads
The Leica TL 35mm F1.4 ASPH has a filter size of 60mm 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 60mm filters that we recommend you to consider for the Leica TL 35mm F1.4 ASPH:
And these are the 58mm filters that we recommend for the Sigma 35mm F2 DG DN:
Lens Mounts
The Leica TL 35mm F1.4 ASPH has the Leica TL lens mount whereas the Sigma 35mm F2 DG DN has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Leica TL Mount and Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount.
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 Leica TL 35mm F1.4 ASPH has the fastest aperture of
F1.4, the Sigma 35mm F2 DG DN's widest aperture value is
F2.0.