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 Sony E 10-20mm F4 PZ G 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 35mm f1.4 II is the longer of the two lenses at 96mm. The Sony E 10-20mm F4 PZ G with a length of 55mm, is 41mm shorter. Besides being longer, the Sigma 35mm f1.4 II also has a larger diameter of 73mm compared to the Sony E 10-20mm F4 PZ G's 70mm 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. Sony E 10-20mm F4 PZ G weighs 178g, 66% (347g) lighter than the Sigma 35mm f1.4 II's weight of 525g.
Filter Threads
The Sigma 35mm f1.4 II has a filter size of 67mm whereas the Sony E 10-20mm F4 PZ G has a 62mm 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 62mm filters that we recommend for the Sony E 10-20mm F4 PZ G:
Lens Mounts
Both the Sigma 35mm f1.4 II and the Sony E 10-20mm F4 PZ G 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.
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 Sony E 10-20mm F4 PZ G has a focal range of 10-20mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 15-30mm when used on a APS-C / DX format camera.
