IST M55 Corona Mask
- 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 unrestricted view.
- Optical lenses for M55 CORONA are available in diopter from -1.0 to -8.0 in -0.5 decrement or from +1.0 to +4.0 in 0.5 increment.
Left / right lenses are interchangeable.