Dome-Compatible Binoculars *I'm selling these because I bought new Vixen binoculars and no longer need these!* Recommended for those planning to attend a live concert in a dome. Original price: 6999 yen High-magnification 20x, waterproof binoculars with a 50mm objective lens diameter. FMC coating provides a bright and clear field of view. - Model: Binoculars 50*20 - Magnification: 20x - Objective lens diameter: 50mm - Waterproof: Waterproof - Optical coating: FMC multi-layer coating - Uses: For live concerts, sports viewing, and bird watching Thank you for looking.