Type ASUKA $351.18 on Rakuten Global. It seems good price than Amazon & eBay.
If you are considering to buy this camera lens kit you might consider as one option to buy directly from Japan. Some stores in Japan sells in reasonable price for overseas. Here shows what I found today.
$583.98 + shipping fee on Rakuten Global here under.
Shipping fee seems to be around $26 (EMS by Japan Post: Traceable and insured) just my exploration.
If you have interest you can go to the store here under.
Just for reference, Amazon store offers with some accessory kit.
The prices are when I checked. It will be changed by the circumstance, i.e. store raise the price, exchange rate, etc.
You should check by yourself to get satisfied goods.
To help you to buy stuff direct from Japan through Japan's largest and well known online shop Rakuten and amazon.jp