Using Extension Tubes for Macro Film Photography » Shoot It With Film
Hasselblad Extension Tube 32E (32mm) 30 40655 B&H Photo Video
Hasselblad Extension Tube 16E (16mm) 30 40654 B&H Photo Video
Extension tubes on the Hasselblad — Philip Dygeus Photographer
Hasselblad Extension Tube Ring Set 10 16 55 for 500 #437 | eBay
Hasselblad H 13mm Extension Tube CP.QT.00000228.01 B&H Photo
Hasselblad Extension Tube Ring 32E Excellent from Japan | eBay
Amazon.com : Fotodiox Pro Automatic Macro Extension Tube, 48mm Section - for Hasselblad XCD Mount Mirrorless Digital Cameras for Extreme Close-up Photography : Electronics