The RF- 550D is a well-made and inexpensive Macro LED Ring
Flash from Travor. The flash unit consists of the main power control unit and
the wired macro ring head which has 48 LEDs arranged in two rows around the
ring. The macro flash ships with the control unit, flash head, stand, 8 adapter
rings for mounting the flash head to your lens, and four different diffuser
rings. Two of the diffuser rings are for color corrections (one is amber and
one is blue) the other two offer two different levels of straight diffusion.
