So.

Contrary to what I originally thought - I've ended up focusing a lot of my time behind the camera staring at wildlife and some of the smallest birds I can find. My 300mm has got me a number of photos I am happy with, but it's pretty tough closing the distances with some species and hoping to invest in a longer lens to help.

It will be going on a Nikon d3500. All I have is the camera and two lenses. No tripods etc.

My current research has led me to read a bit about the Sigma 150-600mm C. Reviews are positive and the pricing on this is reasonable. I'm also considering buying it from somewhere where I can pay it off over a few months - the cash is there however would prefer to "spread the spend". Not something I've ever really done before really...

So - looking for thoughts and opinions? I know there is also the Tamron and there may be a Nikon option but I don't know too much about them?

Should I consider second hand?

Cheers,

Brendan