My Nikon camera is wonderful and I love it. Sometimes these great cameras are too sharp for portraits. If you want to add a soft effect to the portraits you take, a diffusion filter is the solution. Some are very affordable and easy to find through the Internet.
Another option is to instead useĀ a pantyhose stretched in front of the lens. Just make sure you use a rubber band or elastic to keep it stretched. This is going to give your portrait a soft effect.
Try it and let me know!