The type of photography that you are planning to use is an important decision factor. Here we have evaluated the AstrHori AF 27mm F2.8 Z 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. AstrHori AF 27mm F2.8 Z is the longer of the two lenses at 43mm. The 7artisans 25mm F1.8 with a length of 32mm, is 11mm shorter. Besides being longer, the AstrHori AF 27mm F2.8 Z also has a larger diameter of 67mm compared to the 7artisans 25mm F1.8's 51mm diameter.
Below you can find a scaled side-by-side image of AstrHori AF 27mm F2.8 Z and 7artisans 25mm F1.8 to get a better idea of how their sizes compare in real life.
Comparison image of the AstrHori AF 27mm F2.8 Z 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, 14% (24g) lighter than the AstrHori AF 27mm F2.8 Z's weight of 167g.
Filter Threads
The AstrHori AF 27mm F2.8 Z 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 AstrHori AF 27mm F2.8 Z:
And these are the 46mm filters that we recommend for the 7artisans 25mm F1.8:
Lens Mounts
The AstrHori AF 27mm F2.8 Z has the Nikon Z lens mount whereas the 7artisans 25mm F1.8 has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are RED Komodo-X 6K Z , Nikon Z50 II and Nikon Z30 for the Nikon Z Mount and Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount.
7artisans 25mm F1.8 is also available in Canon EF-M , Fujifilm X and Micro Four Thirds mounts.
Focal Range
AstrHori AF 27mm F2.8 Z 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 37.5mm when used on a APS-C / DX format camera.