Someone said it's not possible to order from Amazon Japan. He is either ignorant or a liar.
Hmm, seems like that guys does not do enough research. Basically, you need to do few steps as Amazon Japan won't ship to Singapore directly.
1) Order from Amazon Japan and ship to Tenso Japan (like shipping agency, just register an account with them, they will provide you a so-called Japanese address).
2) Once the item has been delivered to Tenso, they will send a confirmation upon receiving the item and ask your permission to insert the battery into the camera as due to Japanese policy, battery can't be shipped separately or something like that)
3) Once replied to them, they will advise the rate of shipping, approximately $40
4) You should receive an item within 2 working days once you have made the payment to Tenso. Surprisingly, no need to pay for tax or gst or whatsoever
=> The entire process may take about 1-1.5 week but you save quite a lot of money there. If you want a less complicated way, you can order from Ebay, about $800 for body only. The EVF alone cost about $300. So quite a steal there. You may consider sell the EVF for $300, so the body technically cost only $350
Exclude shipping cost and gst?
Shipping is about $40. No GST, no tax