- Crown 0ptical grade glass lens provides clear, distortion free magnification.
- Power = Diopter/4 + 1 (3 Diopter/4+1=1.75x)
- (5 Diopter/4+1=3.25x)
- (1 is original object)
- 3" diameter add-a-lens must be added to existing 3-diopter lens (sold separately).
- 3+3 Diopter Offers total magnification power to 3x.
- 5+3 Diopter offers total magnification power to 4x