Here are usefull links to find more about Japan and see what you want to know.
JINTO (Japan National Tourism Organization)
Discover the SPIRIT of JAPAN by Japan National Tourism Organization
When shooting films and videos in Japan, filmmakers need to: obtain permission or permits to use locations and facilities for shooting including roads; consider business compensation for private
commercial facilities; obtain permission to shoot displays and merchandise; and consider the portrait rights of passersby.
68 Countries and Regions for Visa Exemptions for a short stay in Japan.
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A full list of countries exempt from a Japanese visa requirement.
Japanese customs accept ATA carnets for temporary import of professional equipment, samples & goods to be shown at exhibitions. Therefore, you prepare the ducuments before you leave your country and hand it to the custom in the international airport when you arrive in Japan.
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