Deepsee 10cm: Optical grade magnifying lens with 10cm viewing portal is perfect for aquarium photography with focal range approximately 7.6 to 20cm. Held in place by strong rare earth magnets for use on tanks up to 16mm tank wall thickness Easily moves around the tank for viewing from any location Great at checking for any early signs of disease or pests on your reef coral or fish! DeepSee is Safe for both glass and acrylic aquariums! Depsee 7.5cm: Optical grade magnifying lens with 7.5cm viewing portal is perfect for aquarium photography with focal range approximately 5 to 15cm. Held in place by strong rare earth magnets for use on tanks up to 10mm tank wall thickness Easily moves around the tank for viewing from any location Great at checking for any early signs of disease or pests on your reef coral or fish! Designed for Nano size tanks Deep See is Safe for both glass and acrylic aquariums!
