Are Sony NEX cameras compatible with Sony E-mount lenses?

Sony s lenses are interchangeable, so you can use a newer E-mount lens with a NEX camera, even if the model is older or discontinued.

When should I use a prime Sony lens and when a zoom one?

Prime lenses are suitable for moments when you need to capture details and require perfect image stabilization, such as in the case of portraits. A zoom lens is an all-purpose solution for landscapes, sports and wildlife.

What is the difference between wide and fisheye lenses?

Wide lenses allow you to shoot photos with a wide angle of view of up to 90 degrees, whereas fisheye lenses distort straight lines into curved ones for creative shots, while also offering wide angles.