The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 35mm f1.4 II and the Sigma 28-105mm f2.8 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 28-105mm f2.8 is the longer of the two lenses at 158mm. The Sigma 35mm f1.4 II with a length of 96mm, is 62mm shorter. Besides being longer, the Sigma 28-105mm f2.8 also has a larger diameter of 88mm compared to the Sigma 35mm f1.4 II's 73mm 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 II weighs 525g, which means it is 470g (47%) lighter than the Sigma 28-105mm f2.8 which has a weight of 995g.
Filter Threads
The Sigma 35mm f1.4 II has a filter size of 67mm whereas the Sigma 28-105mm f2.8 has a 82mm 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 II:
And these are the 82mm filters that we recommend for the Sigma 28-105mm f2.8:
Lens Mounts
Both the Sigma 35mm f1.4 II and the Sigma 28-105mm f2.8 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 35mm f1.4 II is also available in the Leica L mount.
Sigma 28-105mm f2.8 is also available in Leica L mount.
Focal Range
Sigma 35mm f1.4 II 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.
On the other hand, the Sigma 28-105mm f2.8 has a focal range of 28-105mm and 3.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 42 - 157.5mm.
