Back in the late 1990s as the digital revolution overtook photography there were abortive attempts to develop a digital upgrade for 35mm film cameras ... into your trusty SLR and continue shooting ...

The camera runs on five LR44 batteries. Soon after the OM30’s launch, things got even better when Olympus introduced ... first purpose-made autofocus 35mm SLR. Like these earlier AF lenses ...

The Praktiflex of 1938 was the first SLR to use a screw-mount lens (Pic: Danalor 01/Wikimedia Commons CC-BY-SA 3.0) In 1938, as war clouds started to gather in post-Depression Europe, designers at ...