The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans 35mm F1.8 Lite and the Sigma 45mm F2.8 DG DN C 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. 7Artisans 35mm F1.8 Lite is the longer of the two lenses at 51mm. The Sigma 45mm F2.8 DG DN C with a length of 46mm, is 5mm shorter. Besides being longer, the 7Artisans 35mm F1.8 Lite also has a larger diameter of 67mm compared to the Sigma 45mm F2.8 DG DN C's 64mm 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. 7Artisans 35mm F1.8 Lite weighs 181g, which means it is 34g (15%) lighter than the Sigma 45mm F2.8 DG DN C which has a weight of 215g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Sony E Mount for size comparison purposes.
Standard Lenses in Sony E Mount for Size Comparison
Filter Threads
The 7Artisans 35mm F1.8 Lite has a filter size of 58mm whereas the Sigma 45mm F2.8 DG DN C has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the 7Artisans 35mm F1.8 Lite:
And these are the 55mm filters that we recommend for the Sigma 45mm F2.8 DG DN C:
Lens Mounts
Both the 7Artisans 35mm F1.8 Lite and the Sigma 45mm F2.8 DG DN C has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II, Sony A6700 and Sony FX30.
7Artisans 35mm F1.8 Lite is also available in the Fujifilm X and Nikon Z mounts.
Sigma 45mm F2.8 DG DN C is also available in Leica L mount.
Focal Range
7Artisans 35mm F1.8 Lite is a prime lens with fixed focal lenght of 35mm which has an effective (full-frame 35mm equivalent) focal range of
52.5mm when used on a APS-C / DX format camera. 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 45mm F2.8 DG DN C is a prime lens with fixed focal lenght of 45mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 67.5mm.
