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 Sigma 56mm 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 56mm F1.4 C is the longer of the two lenses at 60mm. The AstrHori AF 27mm F2.8 Z with a length of 43mm, is 17mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 67mm.
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. AstrHori AF 27mm F2.8 Z weighs 167g, which means it is 113g (40%) lighter than the Sigma 56mm F1.4 C which has a weight of 280g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Nikon Z Mount for size comparison purposes.
Standard Lenses in Nikon Z Mount for Size Comparison
Filter Threads
The AstrHori AF 27mm F2.8 Z has a filter size of 39mm whereas the Sigma 56mm F1.4 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 39mm filters that we recommend you to consider for the AstrHori AF 27mm F2.8 Z:
And these are the 55mm filters that we recommend for the Sigma 56mm F1.4 C:
Lens Mounts
Both the AstrHori AF 27mm F2.8 Z and the Sigma 56mm F1.4 C has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are RED Komodo-X 6K Z, Nikon Z50 II and Nikon Z30.
Sigma 56mm F1.4 C is also available in Fujifilm X and Canon RF 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 Sigma 56mm F1.4 C is a prime lens with fixed focal lenght of 56mm which has an effective (full-frame 35mm equivalent) focal range of 84mm when used on a APS-C / DX format camera.
