The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica TL 35mm F1.4 ASPH and the 7artisans 25mm F1.8 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. Leica TL 35mm F1.4 ASPH is the longer of the two lenses at 77mm. The 7artisans 25mm F1.8 with a length of 32mm, is 45mm shorter. Besides being longer, the Leica TL 35mm F1.4 ASPH also has a larger diameter of 70mm compared to the 7artisans 25mm F1.8's 51mm diameter.
Below you can find a scaled side-by-side image of Leica TL 35mm F1.4 ASPH and 7artisans 25mm F1.8 to get a better idea of how their sizes compare in real life.
Comparison image of the Leica TL 35mm F1.4 ASPH and the 7artisans 25mm F1.8 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 weighs 143g, 66% (285g) lighter than the Leica TL 35mm F1.4 ASPH's weight of 428g.
Filter Threads
The Leica TL 35mm F1.4 ASPH has a filter size of 60mm whereas the 7artisans 25mm F1.8 has a 46mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 60mm filters that we recommend you to consider for the Leica TL 35mm F1.4 ASPH:
And these are the 46mm filters that we recommend for the 7artisans 25mm F1.8:
Lens Mounts
The Leica TL 35mm F1.4 ASPH has the Leica L lens mount whereas the 7artisans 25mm F1.8 has the Fujifilm X lens mount . Some of the latest released cameras that are compatible with these mounts are , and for the Leica L Mount and Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
7artisans 25mm F1.8 is also available in Canon EF-M , Micro Four Thirds and Sony E mounts.
Focal Range
Leica TL 35mm F1.4 ASPH 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.
On the other hand, the 7artisans 25mm F1.8 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.