The type of photography that you are planning to use is an important decision factor. Here we have evaluated the SG-image 25mm F1.8 and the Nikon Z 28-135mm f4 PZ 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. Nikon Z 28-135mm f4 PZ is the longer of the two lenses at 178mm. The SG-image 25mm F1.8 with a length of 32mm, is 146mm shorter. Besides being longer, the Nikon Z 28-135mm f4 PZ also has a larger diameter of 105mm compared to the SG-image 25mm F1.8's 67mm 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. SG-image 25mm F1.8 weighs 145g, which means it is 1065g (88%) lighter than the Nikon Z 28-135mm f4 PZ which has a weight of 1210g.
Filter Threads
The SG-image 25mm F1.8 has a filter size of 52mm whereas the Nikon Z 28-135mm f4 PZ has a 95mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the SG-image 25mm F1.8:
And these are the 95mm filters that we recommend for the Nikon Z 28-135mm f4 PZ:
Lens Mounts
Both the SG-image 25mm F1.8 and the Nikon Z 28-135mm f4 PZ 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.
SG-image 25mm F1.8 is also available in the Sony E and Fujifilm X mounts.
Focal Range
SG-image 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.
On the other hand, the Nikon Z 28-135mm f4 PZ has a focal range of 28-135mm and 4.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 42 - 202.5mm.