It will autofocus on a half press of the button and trigger the shutter with a full press. 3-Pack Owl Decoys for Bird Deterrent - Weatherproof Bird Repellent Devices for Outdoor Use - Plastic Owls to Scare Birds Away and Control Garden Pests Compatibility: Sony a99, a77, a67, a65, a57, a55, a37, a35, a33, a900, a850, a700, a580, a560, a550, a500, a450, a400, a350, a300, a200, a100; Konica Minolta DIMAGE A2, A1, 9, 7Hi, 7i, 7, 5, 4, 3, DYNAX 7D, 5D A shutter release button lock is available which for long exposures shooting and continuous shooting, press and slide forward to lock for long exposures A shutte elease button lock is available which fo long exposues shooting and continuous shooting, pess and slide fowad to lock fo long exposues Compatibility: Sony a99, a77, a67, a65, a57, a55, a37, a35, a33, a900, a850, a700, a580, a560, a550, a500, a450, a400, a350, a300, a200, a100; Konica Minolta DIMAGE A2, A1, 9, 7Hi, 7i, 7, 5, 4... Nikon P1000 Aodelan Rs S6 Shutter Release Cable Wired Remote Control Canon Eos R Since you can trigger exposures without touching the camera, you will capture sharp, blur-free images. PHOLSY C6 Timer Remote Control for Canon, Olympus, Togo Mini size to take, light weight, reliable and premium quality No battery required 98x28x20mm (cable excluded) Cable length: 1m Shooting Mode: Single Shooting, Continous Shooting, Long Exposure (The camera needs to be set to autofocus.) 2.Press the shutter release button fully to take a picture. 3.Press shutter release button fully and slide the button lock in the direction of arrow to lock the shutter release button for long exposure shooting (the camera's shutter needs to be set to Bulb) or continuous shooting (the camera needs to be set to continuous shooting). 4. To release the lock, slide the button lock in the opposite direction.