The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 25mm F1.8 Lite and the Sigma 30mm F1.4 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. Sigma 30mm F1.4 C is the longer of the two lenses at 73mm. The 7artisans 25mm F1.8 Lite with a length of 51mm, is 22mm shorter. On the other hand, the 7artisans 25mm F1.8 Lite has a larger diameter of 67mm compared to the Sigma 30mm F1.4 C's 65mm diameter.
Below you can find a scaled side-by-side image of 7artisans 25mm F1.8 Lite and Sigma 30mm F1.4 C to get a better idea of how their sizes compare in real life.
Comparison image of the 7artisans 25mm F1.8 Lite and the Sigma 30mm F1.4 C Size and Weight 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 25mm F1.8 Lite weighs 183g, which means it is 82g (30%) lighter than the Sigma 30mm F1.4 C which has a weight of 265g.
Filter Threads
The 7artisans 25mm F1.8 Lite has a filter size of 58mm whereas the Sigma 30mm F1.4 C has a 52mm 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 25mm F1.8 Lite:
And these are the 52mm filters that we recommend for the Sigma 30mm F1.4 C:
Lens Mounts
The 7artisans 25mm F1.8 Lite has the Fujifilm X lens mount whereas the Sigma 30mm F1.4 C has the Canon RF lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Canon R50 V , Canon R100 and Canon R50 for the Canon RF Mount.
Sony E and Nikon Z mounts.
Sony E , Micro Four Thirds , Fujifilm X , Nikon Z and Leica L mounts.
Focal Range
7artisans 25mm F1.8 Lite is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of
37.5mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 30mm F1.4 C is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of 48mm when used on a APS-C / DX format camera.
