The release button reacts fast and fine. Two stage release button: Halfway pressing for autofocus, complete pressing takes the picture. 

Timer Remote Cord MC-20 is a Wireless Remote Timer Cord supports Nikon Canon Sony Samsung, Olympus Cameras. With 2.4GHz frequency working frequency, it reduces interference and grantees high quality photography. 

Suitable camera: camera with remote termintnal. Attachment method: lock screw 

MC-36R is a wireless remote timer cord supports Nikon, Canon, Sony, Samsung, Olympus cameras 

Timer Remote Controller TC-80 is a remote switch with the following timer control and exposure count control functions. It is very useful for time-lapse photography of blooming. 

Control the shutter from as far as 200 meters away (open area) 

Control the shutter from as far as 200 meters away (open area)