Among camera enthousiast and professionals the Leicaflex SL is considered one of the best SLR camera's of its time. This camera was the first SLR ever to use Through The Lens (TTL) metering, the metering used a 5% spot measurement of the subject. This was doubted superior to other system that used a larger prism to to measure light. Leicaflex SL works with Leica-R lenses. The Leicaflex SL is a great camera for photographers of every level it's easy to use, stirdy and weights less than other SLR's.