Not quite a lost brand, but not far off it, as it was merged to form Mirrlees Blackstone a part of Alstom. Mirrlees were the builders of the worlds third diesel engine, and at one stage held the exclusive right for the diesel engine patent in the UK.
- Aperture: ƒ/4.8
- Camera: PENTAX Optio S45
- Focal length: 17.4mm
- ISO: 100