The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm 55-200mm F3.5-4.8 R LM OIS and the Nikon 50mm f1.4G 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. Fujifilm 55-200mm F3.5-4.8 R LM OIS is the longer of the two lenses at 118mm. The Nikon 50mm f1.4G with a length of 54mm, is 64mm shorter. Besides being longer, the Fujifilm 55-200mm F3.5-4.8 R LM OIS also has a larger diameter of 75mm compared to the Nikon 50mm f1.4G's 74mm 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. Nikon 50mm f1.4G weighs 290g, 50% (290g) lighter than the Fujifilm 55-200mm F3.5-4.8 R LM OIS's weight of 580g.
Filter Threads
The Fujifilm 55-200mm F3.5-4.8 R LM OIS has a filter size of 62mm whereas the Nikon 50mm f1.4G 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 62mm filters that we recommend you to consider for the Fujifilm 55-200mm F3.5-4.8 R LM OIS:
And these are the 58mm filters that we recommend for the Nikon 50mm f1.4G:
Lens Mounts
The Fujifilm 55-200mm F3.5-4.8 R LM OIS has the Fujifilm X lens mount whereas the Nikon 50mm f1.4G has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Focal Range
Fujifilm 55-200mm F3.5-4.8 R LM OIS has a focal range of 55-200mm and
3.6X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
82.5-300mm when used on a APS-C / DX format camera.
On the other hand, the Nikon 50mm f1.4G 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.