Operation Lock. That’s what Panasonic calls it. All modern Panasonic Lumix cameras, as far as I know, offer this quick and convenient method of locking down the controls so you can be sure none of your settings will be upset by itchy fingers or wandering thumbs. Similar features are common in many modern cameras. But Leica has steadfastly refused to add an easily operated operation lock function to prevent the four-way pad or the joystick (where fitted) from moving the focus point around unbidden.

It's hard to believe that the L-mount Alliance is only three years old. It has opened up the market for all three participants, Leica, Panasonic and Sigma and brought in new converts along the way

The L Mount Alliance has spawned an amazing catalogue of cameras and lenses from a variety of manufacturers. It provides for some interesting mixing and matching. Mike paired one of the cheapest full-frame S cameras from Panasonic with one of Leica's more expensive offerings, the £4,250 24-90 Vario-Elmarit...

Eighteen months after the launch of the silver-and-black D-Lux 7, Leica has introduced a stealthy all-black version. It's available from today and costs the same as the silver original.

Our story of the 70-year-old roll of undevelopled film has captured the world's imagination. It's a great human-interest story at a time of much gloom and doom...

How the Leica M10 Monochrom opens up exciting possibilities in the field of infrared photography. Claus takes us on to a new spectrum in the cities, forests and mountains of Germany

William's photographs developed after 70 years have created worldwide interest. Who are these people who seemed to have enjoyed such a blissful holiday in Switzerland and Italy in the early 1950s? Why did they take such good pictures and then not develop the film? The mystery grows and it has been covered in media throughout the world...

Jonathan reports on his pre-launch experience with the new "fast" Leica SL2-S with its 24MP sensor, image stabilisation and advanced video features.