Make sure the fresnel is smaller than the lens you applying it so it doesn’t touch the frame. Add a few drop of dish detergent to the water it will work wonders in eliminating bubbles.
Another trick, works on all lenses, but particularly higher curves as well. Use HOT water. Not boiling, but hot enough you immediately notice if you put your hands in. That will soften the flat...
Those tiny bubbles are annoying. One thing that has helped me is to have a little dropper of distilled water on-hand. Not sure if it helps more than 10%. I also his the back of the lens and the...
https://www.optiboard.com/forums/showthread.php/76...
https://www.optiboard.com/forums/showthread.php/76282-Fresnel-Prisms-and-Getting-all-the-quot-bubbles-quot-smoothed-out?p=576323#post576323
drk 04-26-2024, 06:08 AMVery good advice from quality opticians re: Fresnel...