Retra LSD Ultimate Strobe Model:Sea&Sea YS-250 PRO This is a professional diving

This is a professional diving equipment for close-up shooting

The camera can be removed from the housing easily even if a lens with large diameter such as the RF15～35 f2

2x and Optical Viewfinder 0

Dual optical and electric sync cables

The trigger can accept high capacity and readily available CR2 battery allowing user to change the battery easily in the field

Retra LSD Ultimate Strobe Model:Sea&Sea YS-250 PRO This is a professional divingEmbrace light. Admire it. Love it. But above all, know light. Know it for all you are worth, and you will know the key to photography. The Light Shaping Device is made for your underwater flash. The Light Shaping Device (LSD) works like a projector which takes light from your flash and pilot light to create a beam with a sharp image at the focus distance. The LSD uses elements like a lens, mask and a diffuser to generate the light beam. It's easy to