Sea&Sea improves its YS-D2 strobe with its successor the YS-D3, which has a guide number of 33. The electronic circuit is completely redesigned and allows for shorter recycling times thanks to high-capacity capacitors. The beam angle increases to 150° with the new optional diffuser. Lightweight at 600 g (40 g in water) for travelers and waterproof up to 100 meters.recommended retail price: €849.