The Pro-RL is loaded with new features and represents a major advance in handling speed and ease of use. It"s supported comfortably with your left hand, leaving your right hand free to operate all camera and bracket controls. It is the best Stroboframe bracket to use with a tripod. Rotate your camera instantly and effortlessly from vertical to horizontal while the flash remains centered over the lens. ? Exclusive, one-hand TiltTrigger? lets you set the flash angle to any of 12 click-stop positions. One-handed flash height adjustment. You can position the flash 11 to 18" above the lens, simply by twisting a knob and lifting the flash arm. Unique "kickstand" pivots out to safely support and stabilize the bracket when is set on a table or floor. Compatible with cameras using accessory battery packs or motor drives. Integral Quick-Release Plate mates with optional QR Receiver, allowing the bracket and tripod to be attached or detached instantly. Accepts all Stroboframe flash mounts, Camera Anti-Twist Plates and quick release accessories.