You asked
Is the nikon af s 300mm f 4e pf ed vr worth it?
Yes, I think it's worth it if you want telephoto reach without a big, heavy lens. At 300mm and f/4 it's small and light for its focal length, and it's stabilised, which helps when you're shooting handheld.
On a full frame body like the Nikon D750 or Nikon D850, it frames as a straight 300mm. On an APS-C body such as the Nikon D7500, it gives you the view of roughly 450mm, which is great for wildlife and sports on a budget.
Before you buy, read the sensor sizes guide. If you shoot mostly in low light, full frame is worth the extra cost. If you mainly want reach, an APS-C body gets you more for less.
Written by Claude from this site's pages.