The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 35mm F1.4 DG HSM and the Sigma 28mm F1.4 DG HSM A 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 28mm F1.4 DG HSM A is the longer of the two lenses at 108mm. The Sigma 35mm F1.4 DG HSM with a length of 94mm, is 14mm shorter. Besides being longer, the Sigma 28mm F1.4 DG HSM A also has a larger diameter of 83mm compared to the Sigma 35mm F1.4 DG HSM's 77mm 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 35mm F1.4 DG HSM weighs 665g, which means it is 200g (23%) lighter than the Sigma 28mm F1.4 DG HSM A which has a weight of 865g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Canon EF Mount for size comparison purposes.
Wideangle Lenses in Canon EF Mount for Size Comparison
Filter Threads
The Sigma 35mm F1.4 DG HSM has a filter size of 67mm whereas the Sigma 28mm F1.4 DG HSM A has a 77mm 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 Sigma 35mm F1.4 DG HSM:
And these are the 77mm filters that we recommend for the Sigma 28mm F1.4 DG HSM A:
Lens Mounts
Both the Sigma 35mm F1.4 DG HSM and the Sigma 28mm F1.4 DG HSM A has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Sigma 35mm F1.4 DG HSM is also available in Pentax KAF3 , Sony Alpha, Sigma SA, Nikon F (FX) and Leica L mounts.
Sigma 28mm F1.4 DG HSM A is also available in Nikon F (FX) , Sigma SA, Sony E and Leica L mounts.
Focal Range
Sigma 35mm F1.4 DG HSM is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
56mm.
On the other hand, the Sigma 28mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 44.8mm.