The professional falcon eyes studio flash tf-400a has a light output of 400 ws and a modeling lamp with 150 watt power. the tf-a series of falcon eyes flash strobes are extended for the demanding studio photographer. the flash units offer everything you would expect from a professional flash, like a quick recharge time, rugged metal housing, professional bayonet connection for accessories, a built-in slave receiver, cooling fan and precise adjustability. of course, the modeling lamp can be turned of or on. it can also automatically be set to proportional the light output. the guide number for this flash is 64. The lamp is fitted at the bottom with a standard spigot connection, that makes it fit on almost any light stand. the lamp has a falcon eyes bayonet connector in the front, allowing many different accessories such as softboxes, beauty dishes and reflectors to be connected. When you want to see all accessories which are available for this studioflash, please click here.