In situation where you have to hold camera focus on the object but you get shaking there where you wishes that something like that control this shaking situation or make focus constant on object then there are canon power shot gives you on unbelievable device that can take constant focus on object that is image stabilizer or remote control with a smart phone.picture quality is better because it has a 20MP 12.3" sozed BSI-CMOS sensor so you can shoot max resolution of 5184*3888 pixels.the dimension of the camera width is 23mm so it easy to handle while taking a picture.in that rage of product its a better to purchase value for money. on an average max shutter speed that gives quickly taking a picture at 1/2000s. some times every thing is not perfect in world so battery line is as powerful to hold for long time.so on an average this camera is good.
I hope this information is useful for you.
thank you.