I guessed an email address for Kenko and have real information from a real person:
"Dear Mr. Hayman,
"Thank you for your mail inquiring us VCCPro camera equipment.
"We are the manufacturers and exporters of Horseman brand cameras
and accessories worldwide. Attached is the price list offering you
Horseman product line including VCCPro. As for Hasselblad V mount,
we have none in stock now and about one month is required for shipment
"If you have any inquiry, please feel free to contact me.
"Kenko Professional Imaging Co., Ltd.
"3-8-19 Nishi-Ochiai, Shinjuku-ku, Tokyo 161-0031, Japan
"Tel; 81-3-5988-7500 Fax: 81-3-5988-7354
I have attached the price list. The DB version is about USD1,265, which is not too bad? But the lens prices are!!!