The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 45-150mm F4-5.6 OIS and the Fujifilm 55-200mm F3.5-4.8 R LM OIS 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 Panasonic 45-150mm F4-5.6 OIS with a length of 73mm, is 45mm 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 Panasonic 45-150mm F4-5.6 OIS's 62mm 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. Panasonic 45-150mm F4-5.6 OIS weighs 200g, which means it is 380g (65%) lighter than the Fujifilm 55-200mm F3.5-4.8 R LM OIS which has a weight of 580g.
Filter Threads
The Panasonic 45-150mm F4-5.6 OIS has a filter size of 52mm whereas the Fujifilm 55-200mm F3.5-4.8 R LM OIS has a 62mm 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 Panasonic 45-150mm F4-5.6 OIS:
And these are the 62mm filters that we recommend for the Fujifilm 55-200mm F3.5-4.8 R LM OIS:
Lens Mounts
The Panasonic 45-150mm F4-5.6 OIS has the Micro Four Thirds lens mount whereas the Fujifilm 55-200mm F3.5-4.8 R LM OIS has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-1 II, Panasonic G9 II and OM System OM-5 for the Micro Four Thirds Mount and Fujifilm X-S20, Fujifilm X-T5 and Fujifilm X-H2 for the Fujifilm X Mount.
Focal Range
Panasonic 45-150mm F4-5.6 OIS has a focal range of 45-150mm and
3.3X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
90-300mm when used on a FourThirds format camera.
On the other hand, the 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.