In theory, if you've got a collection of old or obscure lenses for long-defunct 35mm film cameras, the full-frame Sony a7 / a7R may allow you to breathe new life into them. Sony's E-mount is supremely adaptable, meaning that lenses for a great many systems can be attached to the a7 / a7R without huge cost via a range of third-party mount adapters.

We're planning on publishing our full review of the a7 within the next 24 hours, but until then, click the links below to read about editor Barnaby Britton's experience of shooting with older third-party lenses on the a7 and a7R.