Editorial: The ISO race, Topaz AI, AI, My Shot & Parting Shot

Staff · Issue 136, Jan/Feb 2024 · pp. 4

Products mentioned: Topaz Video AI, ChatGPT

Editorial The ISO race Rick Ayrton’s excellent and informative article on photographing shipwrecks in British waters is also a fascinating history of digital underwater photography; and in particular how one of the most significant, and for us most beneficial, developments has been the increase in ISO speed and quality. I’m not going to side track the issue and ask whatever happened to ASA because I’m sure most UwP readers would look at me quizzically but Rick’s superb images are a testament as to how far the image quality has been developed when shooting at high ISO settings. Traditional film speeds started at 25 ISO and went up to the dizzy heights of 400 (Remember Kodak Tri X Black and white?). The early digital SLR cameras offered up to 500 ISO maximum for starters and it wasn’t long before the speeds had three noughts on the end and needed a comma separator. With each new flagship D…