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 ...

fully manual SLR camera that works fairly similarly to the other cameras mentioned thus far. The biggest advantage this has is its size. Olympus' goal with the OM-1 was to make the smallest 35mm ...

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 ...