Answer by Professional Japanese Teacher
Kurejitto kaado wa tsukaemasu ka.
Can I use credit card?
Most major departmental stores and electronics stores accept credit cards but cash is still preferred at many stores. You can use the above expression to check if you can pay by credit card.
Cameras and electronics are also exempt from consumption tax if your total spending is above 5400 yen. Remember to show your passport at the store for tax-free procedure.