The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 70-200 F2.8 II and the Yongnuo 56mm F1.4S Z 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 70-200 F2.8 II is the longer of the two lenses at 208mm. The Yongnuo 56mm F1.4S Z with a length of 89mm, is 119mm shorter. Besides being longer, the Nikon Z 70-200 F2.8 II also has a larger diameter of 90mm compared to the Yongnuo 56mm F1.4S Z's 69mm 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. Yongnuo 56mm F1.4S Z weighs 375g, 68% (805g) lighter than the Nikon Z 70-200 F2.8 II's weight of 1180g.
Filter Threads
The Nikon Z 70-200 F2.8 II has a filter size of 77mm whereas the Yongnuo 56mm F1.4S Z 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 77mm filters that we recommend you to consider for the Nikon Z 70-200 F2.8 II:
And these are the 58mm filters that we recommend for the Yongnuo 56mm F1.4S Z:
Lens Mounts
Both the Nikon Z 70-200 F2.8 II and the Yongnuo 56mm F1.4S Z 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.
Focal Range
Nikon Z 70-200 F2.8 II has a focal range of 70-200mm and
2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 300mm.
On the other hand, the Yongnuo 56mm F1.4S Z 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.
