The type of photography that you are planning to use is an important decision factor. Here we have evaluated the TTArtisan 27mm F2.8 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. TTArtisan 27mm F2.8 is the longer of the two lenses at 41mm. The 7artisans 25mm F1.8 with a length of 32mm, is 9mm shorter. Besides being longer, the TTArtisan 27mm F2.8 also has a larger diameter of 64mm compared to the 7artisans 25mm F1.8's 51mm 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. TTArtisan 27mm F2.8 weighs 94g, which means it is 49g (34%) lighter than the 7artisans 25mm F1.8 which has a weight of 143g.
Filter Threads
The TTArtisan 27mm F2.8 has a filter size of 39mm 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 39mm filters that we recommend you to consider for the TTArtisan 27mm F2.8:
And these are the 46mm filters that we recommend for the 7artisans 25mm F1.8:
Lens Mounts
The TTArtisan 27mm F2.8 has the Sony E lens mount whereas the 7artisans 25mm F1.8 has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
TTArtisan 27mm F2.8 is also available in the Fujifilm X and Nikon Z mounts.
7artisans 25mm F1.8 is also available in Canon EF-M , Fujifilm X and Sony E mounts.
Focal Range
TTArtisan 27mm F2.8 is a prime lens with fixed focal lenght of 27mm which has an effective (full-frame 35mm equivalent) focal range of
40.5mm 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 50mm when used on a APS-C / DX format camera.
