Rakuten.com has the Nikon Keymission 170 4K Waterproof Action Camera for $138.29 with free shipping.

• Electronic camera shake correction SnapBridge 360/170 support with Wi-Fi, Bluetooth built-in
• $249 at Amazon

BHphotovideo.com has announced that the second generation of speed, the Sony Alpha a9 II is going on pre-order very soon with a price of $4498.00 with free shipping for the body only.

• 24.2MP Full-Frame Exmor RS CMOS Sensor
• BIONZ X Image Processor & Front-End LSI
• 693-Point Phase-Detection AF System
• Up to 20 fps Shooting, ISO 100-204800