Professional Snorkeling and freediving mask Low volume Aluminium frame Easy-defog tempered glass handled by OnBird Phu Quoc Size Width 10 cm. Length 18 cm. Heigth10 cm. The non-slip strap and easy-adjust buckles let you dial in the perfect fit. Changeable Prescription lens (-2 diopter – 9 diopter)

Corona has been one of the most popular IST masks and its superior fitting and comfort are the reasons behind the success. Its swivel buckle allows the diver to adjust the mask to the most desirable position. The low internal volume gives an unrestricted view. Anti-fog lens available (M55/AF) Changeable Prescription lens (-4 diopter – […]