The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 28-135mm f4 PZ and the Meike 50mm f1.8 AF for their suitability to various photography scenarios:
Size and Weight Comparison
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. Meike 50mm f1.8 AF weighs 382g, 68% (828g) lighter than the Nikon Z 28-135mm f4 PZ's weight of 1210g.
Filter Threads
The Nikon Z 28-135mm f4 PZ has a filter size of 95mm whereas the Meike 50mm f1.8 AF has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 95mm filters that we recommend you to consider for the Nikon Z 28-135mm f4 PZ:
And these are the 58mm filters that we recommend for the Meike 50mm f1.8 AF:
Lens Mounts
Both the Nikon Z 28-135mm f4 PZ and the Meike 50mm f1.8 AF has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z.
Meike 50mm f1.8 AF is also available in Sony E and Leica L mounts.
Focal Range
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.
On the other hand, the Meike 50mm f1.8 AF is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm.