Promate Gauge Reader Lenses for ScubaPro Spectra Masks (Pair) - OP261 GR

We have in stock, every diopter from +1.0 to +4.0 in 0.5 diopter increments for divers who want to be able to clearly read their gauges. Please do not mistake these pre-cut lens as add-on lens. They are pre-ground and inserted into your mask in place of the standard flat lens. Please note that these lens are for those divers who only require lens for reading their gauges (similar to reading glasses). The top portion of the pre-cut bifocal lens is plain glass and the bottom half can have a diopter anywhere from +1.00 to +4.00 in 0.5 diopter increments. Beyond that, we also offer lenses for divers who are near-sighted and require negative diopter full lens ranging from -1.0 to -8.5 in 0.5 diopter increments. For negative lens with a full pre-cut lens from top to bottom, please inquire about these particular lenses or see them in our other listings. To determine the proper prescription lens needed, simply start by looking at the second number (cylindrical) of your prescription and see if