IST bifocal lens for the Corona M55 mask
IST bifocal lens for the Corona M55 mask

IST Bifocal Lens for Corona M55 Mask

£29.15

A bifocal lens for the IST Corona M55 mask, with a plain upper half and a +1.0 to +4.0 reading add below for gauges and computers. Sold singly, left or right.

Reading Add:
Side:

A bifocal lens for the IST Corona M55 mask, with a plain upper half and a +1.0 to +4.0 reading add below for gauges and computers. Sold singly, left or right.

Product Overview

Struggling to read your computer or gauges underwater? The IST Corona M55 bifocal lens has a plain upper half for normal distance vision and a magnifying reading section in the lower half, just where you look down at your instruments.

Key Features

  • Plain (plano) upper half for clear distance vision.

  • Reading add in the lower half, from +1.0 to +4.0.

  • Tempered glass.

  • Made for the left or right side; choose the side when ordering.

  • Sold singly.

Technical Specifications

  • Brand: IST.

  • Lens: Corona M55 bifocal lens.

  • Material: tempered glass.

  • Upper half: plano (no correction).

  • Reading add: +1.0 to +4.0 in 0.5 steps.

  • Price is per lens.

What’s Included

  • 1 IST Corona M55 bifocal lens for your chosen side and strength.

Compatibility & Options

Fits the IST Corona M55 mask only.

Bifocal lenses are left- or right-specific and cannot be swapped between sides.

Many divers fit a bifocal on one side only. For both sides, order one left and one right lens.

Need Some Advice?

Contact us if you'd like help choosing the right reading strength. The Abyss Scuba School team can help you find the best fit for your diving.