For a trip to Japan for 2 will be approx. 8K plus all others uncountable expanditure beside the tour charges.
For to enjoy, get a good light, sharp, simple even wife can shoot as DSLR she has no way to handle. cos I used D7000 with 300mm F4+ 1.4./1.7,10-20mm, SP90 + Raynox and a very stable...