The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 14mm F1.8 DG HSM and the Sigma 135mm F1.8 DG HSM 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. Sigma 14mm F1.8 DG HSM is the longer of the two lenses at 126mm. The Sigma 135mm F1.8 DG HSM with a length of 115mm, is 11mm shorter. Besides being longer, the Sigma 14mm F1.8 DG HSM also has a larger diameter of 95mm compared to the Sigma 135mm F1.8 DG HSM's 91mm diameter.
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Below you can find a scaled side-by-side image of Sigma 14mm F1.8 DG HSM and Sigma 135mm F1.8 DG HSM 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 135mm F1.8 DG HSM weighs 1130g, 3% (40g) lighter than the Sigma 14mm F1.8 DG HSM's weight of 1170g.
Lens Mounts
Both the Sigma 14mm F1.8 DG HSM and the Sigma 135mm F1.8 DG HSM has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Sigma 14mm F1.8 DG HSM is also available in Sigma SA and Canon EF mounts.
Sigma 135mm F1.8 DG HSM is also available in Sigma SA , Canon EF and Sony E mounts.
Focal Range
Sigma 14mm F1.8 DG HSM is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
21mm.
On the other hand, the Sigma 135mm F1.8 DG HSM is a prime lens with fixed focal lenght of 135mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 202.5mm.