ダイビングライセンスどこまで必要？どこまで取ったらいい？

This time, we're talking serious diving. We asked Mr. Koganezawa of Arabesque, a diving shop in Hachijojima, what level of certification should I get? There are Open Water, Advanced Open Water, Rescue, and Master Scuba Diver certifications. Which one do you recommend? *This is my personal opinion. 00:00 Opening 00:13 Greetings 00:45 How many certifications should I get? 07:10 Someone who has done hundreds of open dives 09:24 Advanced dives immediately after open dives 11:44 When to take a rescue 13:56 Rescue training is the most fun 16:52 Summary Filming assistance Hachijojima Diving Shop Arabesque https://diving-shop-arabesque.com/ I write follow-ups and behind-the-scenes stories from YouTube on my blog https://shirodive.com/archives/224 Shiro Dive membership offers members-only videos, including behind-the-scenes footage and behind-the-scenes footage. We also share updates and announcements through our members-only community.    / @shirodive   Please also check out our sub-channel, SHIRO DIVE SIDECAR!    / @shirodivesidecar   I'm on Instagram. Yuri   / shiro.dive   Shiro   / shiro_dive   I occasionally follow people on Twitter.   / shiro_dive   #diving #scubadiving