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| Royal Photographic Society | www.rps.org |
| British Sub-Aqua Club | www.bsac.com |
| British Society of Underwater Photographers | www.bsoup.org |
| Photosub (specialist interest dive club for underwater photographers) | www.photosub.co.uk |
| Ripon Photographic Society | www.riponphotographic.co.uk |
| Ocean Optics (suppliers of underwater camera equipment) | www.oceanoptics.co.uk |
| Divequest (leading UK dive tour operator) | www.divequest.co.uk |
| AAPPL (Artists' and Photographers' Press Ltd.) | www.aappl.com |
| Deepfin Art (paintings of marine life by Mark Taylor Hutchinson) | www.deepfinart.com |
| Len Deeley (photographer and Hon Secretary of Photosub) | www.imagine-photography.co.uk |