>>4307839I shoot nude models. A few factors will override these questions.
Your location will determine your focal length. Almost always nude models are shot indoors so you will be in the 24-70 range in a full frame. Outdoor locations where people won’t see for a 2 hour shoot are incredibly hard to find.
You will be paying the model especially if shooting spread leg shots of good looking 18-24 year old women.
It’s worth learning strobes, they are easy to use indoors and will produce nice even light over the model every time.
Finding the models is by far the hardest part. Expect to only find a few really good ones per year. Unfortunately so many girls cover themselves in feral tattoos or won’t shoot spread leg nudes. Finding a hot girl who will is hard work.
Ideally you are rich and live in Europe. They have the biggest supply of good looking women shooting nude then you just need nice locations, hire models constantly and you can produce an amazing body of work. Join Flickr, that’s where the majority of photographers shooting nudes are. You will easily rack up millions of views posting nudes there.