The Flipper DeepSee Magnetic Aquarium Viewer is an optical grade magnifying lens with a 4″ viewing portal. It’s perfect for aquarium photography with a focal range of approximately 3 to 8 inches. Held in place by strong rare earth magnets for use on tanks up to 5/8″ (16mm) tank wall thickness.
Flipper DeepSee Magnetic Aquarium Viewer from MarineAndReef.com
by