Question: fuji xt3 must have accessories?
Answer: Extra Batteries. As I mentioned above, Fuji is not exempt from the mirrorless system battery life issues that plague much of the market. ... 
A Multi-Battery Charger. ... 
A Wired Cable Release. ... 
Vertical Battery Grip or Extra Grip. ... 
Vintage Lens Adapters. ... 
Bonus Accessory: A Nice Leather/Vintage Camera Strap.