Patent ID: 8224175

Claim:
A photographic apparatus having ring light module, comprising: a camera having a lens, the lens having an optical axis; a support base connected to the camera and comprising a tubular portion surrounding the lens, and an extension portion radially extending from the tubular portion; a plurality of variable light units arranged on the extension portion of the support base and being able to be driven to change the direction of light projected therefrom, wherein each of the variable light units comprises a fixed member fixed on the support base, a swing member pivotally connected to the fixed member, a circuit board disposed on the swing member, and a plurality of light emitting diodes arranged on the circuit board; and a drive mechanism used to drive the variable light units to change the directions of light beams projected from the variable light units, wherein the drive mechanism further comprises: a barrel arranged around the tubular portion of the support base, a pushing ring arranged between the tubular portion and the barrel and a rotary ring arranged around the barrel, wherein the barrel has a plurality of sliding grooves extending parallel to the optical axis, the pushing ring is able to move along the direction of the optical axis and has a ring body, a plurality of rods extending from the ring body and a plurality of pins radially connected to the ring body, the rods correspondingly protrude through the extension portion of the support base and are against the circuit boards, the pins correspondingly protrude through the sliding grooves of the barrel, the rotary ring has a plurality of oblique grooves corresponding to the sliding grooves, the oblique grooves obliquely extend with respect to the sliding grooves, through the oblique grooves the pins pass and protrude out from the sliding grooves, whereby when the rotary ring is rotated about the optical axis, the oblique grooves can force the pins to move along the sliding grooves, and the rods can push the circuit boards of the variable light units to swing outwardly to change the projecting direction of the light emitted from the variable light units.