I noticed this video on a forum posting at dpreview.com and thought it was amusing. Apparently the Beatles had a fondness or some type of advertising deal with Pentax back in their heyday.
Here is the video on Youtube:
If you do a search in Japanese on youtube, you find quite a few other unusual advertisements:
There is an old advertisement where a Pentax Spotmatic is used by a young woman as she travels around and plays around and photographs pretty much everything in sight. I think the size of pentax and colors fit one of their target demographics and always have (young women). Defeating the myth Pentax is “selling out” with their new colorful DSLR cameras:
Pentax forcing their name into peoples’ heads:
This one…. (I really don’t know what to say about it!):