You can shoot pictures that have less camera shake by increasing the shutter speed. Conversely, you can purposely add blurring to pictures by reducing the shutter speed.
(More camera shake) 1/8*|1/10|1/13|1/15|...|1/3200|1/4000|1/5000|1/6400
|1/8000|1/10000|1/12800|1/16000|1/20000|1/25000 (Less camera shake)
*THETA V FW ver 3.40.1 + RICOH THETA for Android ver 1.31.0 or RICOH THETA for iPhone ver 2.14.0
The lower limit of the shutter speed is extended from 1/8 second to 15 seconds.(15|13|10|...|1/5|1/6|1/8)