![]() Because of the high ISO and the long exposure, the photos were a little noisy in the fine details, but they were still of interest to National Geographic and other publishers." I varied my ISO and aperture settings between f/5.6 at ISO 6400 and f/3.5 at ISO 2500. ![]() Using a wide-angle 17-35mm lens on a Nikon D700 35mm DSLR camera, I was able to obtain sufficient light with a 30 second exposure. To avoid camera shake when tripping the shutter, I used the lock mirror u and “delayed shutter features on my camera. I had no tripod, so I improvised by snuggling the camera into a beach towel placed on a plastic deck chair. This time our captain chose Vaadhoo Island, which has a forested interior and a sandy beach.Īs it grew dark the wave wash lit up with ghostly blue light. We stopped for an evening picnic on the uninhabited side of an island. “I was on a safari boat cruising the islands of Raa Atoll, in the far north of the Maldives archipelago. Marine photographer Doug Perrine shares his experience of photographing bioluminescent plankton in 2010 whilst visiting the Maldives: For bioluminescence to happen, the plankton needs to be moved or disturbed by something, so as the surf crashes onto the shoreline, the waves will ripple in blue light.If you are out walking on a beach at night, turn off your torch, phone light and any other lights, to let your eyes acclimatise to the darkness and you’ll soon be able to find your way around.It is sometimes possible to spot the blooms during the day, by looking for clumps of red algae in the water near the shoreline – this is a good indicator that the plankton are present there and that its worth visiting that spot again the following night.You need to be out looking during the night time, as plankton have a circadian rhythm and will only emit bioluminescence during that time.Some displays I’ve seen only occur for a night, others have stayed there for several weeks. If you heard of a display happening near you try the same spot again over the next night or so, as stronger displays can stay around for a while.The warmer months tend to be more successful for bio-luminescence sightings, and I’ve seen the phenomenon occur myself in the months between April and November.Do your research and find locations such as small bays, coves and harbours where bio-luminescence has been seen before.A Splash of Light - Penmon Point, Anglesey (Image credit: Kris Williams) Kris' advice on where to find sea sparkle
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