Optical grade magnifying lens with 5" viewing portal is perfect for aquarium photography with focal range approximately 8 to 12 inches.
- Held in place by strong rare earth magnets for use on tanks up to 3/4" (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!
- Deep See MAX is Safe for both glass and acrylic!