#watt seconds

The unit mounts onto any standard lightstand with a 5/8" or smaller mounting stud. It has a circular flash tube that is daylight balanced at 5600 deg. K, Adorama Budget Studio Monolight Flash, 100 Watt Seconds. a guide number of 90 at ISO 100 and a recycling time of 5-7 seconds. It also comes with a 60 watt removable modeling lamp. The Budget Studio monolight Flash can be triggered through the camera with its included 12' sync cord, by another flash being fired and activating the built-in Photo-Slave, or through its open-flash test button. It's a compact 7.0" long with a diameter of 3-3/4" and weighs only 15 ounces

Norman ML-400 400 Watt Second Monolight The ML400 combines Norman durability with the versatility of today's advanced electronics. The controls on this 400 watt-second Monolight allow power adjustments in either watt-seconds or f/stops. A digital readout displays accurate, repeatable settings from 18 to 400 watt-seconds in 1/10 stop increments.

Novatron Plug-In Style Flash Tube for the M300, M500 The F0005 is a custom manufactured plug-in type flash tube, enclosed in a vented glass envelope attached to a ceramic base. This flash tube is used in the M300, M500 and M600 Monolights. It is color corrected and is rated at 1000 watt-seconds.This vented flash tube is the updated version of, and an exact replacement for, the previous non-vented F0005 flash tube assembly and has a higher rating than the older product. Either tube may be used in the M300, M500 and M600 Monolights with no modifications.