Mr Sutherst in KNEBWORTH
Photographic film & print defects • Analysis of scene of crime photographs • Over 45 years' experience investigating photographic anomalies: image stability problems, effects of physical, chemical & X-ray damage on photographic materials, causes of colour image fading, unusual colour reproduction, causes of spurious & unusual photographic phenomena such as UFOs & ghost images, causes of variables in film & print processing, & analysis & measurement of photographic images • Counterfeit photographs ...