This 50-230mm is plastic mount the zoom and focus ring are not as smooth as other fujinon lenses BUT opticaly its awsome and the stabilisation is wery good also it is my bigest lens and the lightest i have
(35mm 1.4, 56mm1.2 apd, 18-55mm 2.8-4)
Also you can get it second hand for the price of hand grip haha
Sometimes the price drops 199€ new here in slovenia EU
Pros:
Cheap
Light
Good optics
Good af speed
Sharp
Cons:
Plastic bayonet
Plastic build