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The MBX500HS ULTRA is the smallest metal body, metal frame, and metal mount, Li-Ion battery-powered (built-in, exchangeable) 500Ws monolight, optimized for flash synchronization up to 1/8000 second. While the HotSync functionality is only available with our Priolite Remote Control HS, the unit can also be used with other flash triggering systems, but only syncs at shutter speeds up to 1/200 second. By using very fast shutter speeds it is now possible to freeze high speed motion even on a bright sunny day. It also means that you can open up a lens to a wide aperture to achieve shallow depth of field.
The battery provides up to 220 flashes at full power and can be changed by the user. The battery has a charge indicator, and can be charged inside or outside the flash unit. The power switch is protected against accidental switching by a spring-loaded flap, so the unit can be transported easily without being accidentally turned on. The flash power is adjustable in 1/10 f-stop increments, using a turning knob, or from up to 1000ft away via the Priolite Remote Control. The robust reflector mount accepts not only Priolite reflectors, but also Bowens S-line, and many Hensel accessories. Except for the handle, all parts of the unit are constructed of solid metal. The support rail profile is made of aluminum casting, and the reflector mechanics are made of die-cast aluminum.
The omega-shaped flash tube has a long life span and can be replaced by the user. A quiet fan protects the strobe from overheating.
The HotSync feature is currently compatible with select PENTAX, SONY, CANON, and NIKON cameras at any power setting of the strobe and at shutter speeds of up to 1/8000th of a second (1/4000th on Pentax 645Z) with no loss of power above x-sync.