RetiCAM&reg; Hot Shoe to Tripod Screw Adapter - Flash Shoe Mount for Camera, Smartphone and Accessories Easily attach accessories to camera hot shoe or cold shoe. Mount a microphone, external light or smartphone bracket to DSLR, camcorder or digital camera. 1/4"-20 stud to accept any accessory with a standard tripod socket. Base of screw is 3/8" for a stronger build and more secure attachment to flash shoe. Lightweight, durable all-aluminum construction.