For most people, this camera may be the best choice. The Single Lens Reflex (SLR) camera is indeed the most flexible camera.

As an example, the "Olympus OM2" is a fully manual camera, which needs manual focusing, wind on and aperture and shutter speeed settings.

The most versatile ad flexible camera.
Can be as simple or as complicated as you want - in one camera. (Suitable for amateur and proffesional photographers).
Will have manual and automatic settings
Prices are increasingly affordable.
Cameras can be fully automatic with a manual option.

They are more expensive than compacts but far superior.

This type camera is the most recommended for most categories of users and occasions.