I waited till after I went diving to review this. I put it in my mask via directions, and used my mask for 10 dives, and 2 snorkels.
IF you follow the directions EXACTLY, then they WILL stick fine and you will have no problems with them coming off your mask, even when wet, even when you use de-fog. SO....you should use toothpaste to clean your mask lens very good, let it dry 24 hours, then apply the lenses according to the directions (if you don't know which side is concave, then google "concave" for a visual). Basically, when applied this way, and allowed to dry completely, they will remain on your dive lens till you pluck/pry them off yourself.
I did find that if I used defog on my mask, but NOT on the lenses, that only the lenses would fog up, so I used defog on the entire mask lens, including the dive optx lens, and it worked well. I used 500 psi mask defog. I use it dry like they suggest, then rinse in water & good to go.
This all being said, I could see through the dive optx lens (I only used one in my mask, because I wanted it down lower on the mask, and they kind of mask mine is, it is 2 separate lenses, and i would have had to put the dive optx way too high in the mask in order for my eyes to see clearly through both, so I took a suggestion from another reviewer, and only used one, and placed it low in my mask to read with). I could see fine out of it, BUT....I noticed that under water I didn't even need any magnification. I know that the water DOES magnify things, but didn't think it would magnify it enough to see the small areas on my dive computer.
My suggestion, if you need anything 1.75 or less for reading, then don't bother getting the dive optx, you won't need them underwater to read your computer. I have perfect corrected vision with contacts, except need reading glasses, 1.75 strength. Under the water, just my regular vision with my contacts, the water had enough magnification that I could read even the small stuff, signals, etc. on my dive computer, and I have a small computer, it's an Aqua Lung Wrist i200 computer, so it's quite small (not the large "puck" type computers, it's smaller, like a man's watch size).
I left the lens in my dive mask, but will surely not need it for some time. I DO recommend these, though, if you do need magnification for under water. Just keep in mind what kind of mask lens you have (single, double), as this may be a determining factor for if you would want to use only 1 or use both.
Trident Optx Flexible Dive Mask Magnifiers (pair) 2.5
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美国亚马逊： 208 条评论
Stays Put if you follow directions & works great & can use defog on it.2018年9月12日 - 已在美国亚马逊上发表
They work but.....2019年1月29日 - 已在美国亚马逊上发表
This is a set two lenses, so you have to make sure that the lenses are the correct distance apart to be able to focus properly. If you have small mask, it is nearly impossible to get the lens placed low enough on the mask glass to keep the top line of the lens from intruding into your long-distance field of view, above the top of the lens. I considered trimming the top of the lens (its plastic and not glass) to get the top of the lens out of my field of view but I was worried that it would no adhere to mask glass once I did this due to the edge of the lens being a little jagged. To install the lenses, you clean and wet the inside of the mask glass and then push the lens into place. Dump remaining water out of the mask and WAIT 24 hours for the lens to dry before your mask can be used. When you finish your dive and you rinse your mask with clean water (or dunk tank), be sure to dump ALL of the water out of the mask. If water is left in the mask, it will loosen the lens and the lens will detach. If you don't lose the now detached lens, you can reapply it but then you have to wait another 24 hours for it to dry again before you can dive. They do work and I was able to read my dive gauges but knowing what I now know, I'd probably buy one of the single-lens magnifying lenses, which are actually glued in place. Less hassle and less care required. You don't need two lenses anyway. Your not reading a book down there. With a single lens, you just look through the one lens to read your gauge. I like simple.
I can see clearly now, the blur is gone!2015年10月28日 - 已在美国亚马逊上发表
Easy, no brainer install, good optical quality and works as advertised on a pair of Atomic Aquatics masks, one with prescription lenses permanently installed. Out of an abundance of caution because they are held in place without any adhesive and based upon some reviews where the user claimed the lens was dislodged, after installation and time for the moisture to dry out, I put a tiny pinhead sized dot of clear silicone sealer (RTV) on two corners and a 3rd spot. This anchored each lens to the mask glass to make sure there was no way they could unintentionally be dislodged should the goggles flood or get dropped in surf, wash tank or other calamity. This combo worked perfectly and I set up my wife's mask the same way. She had corrective lenses already in her mask and these were put on top to make bifocals. She had to trim a bit with scissors because of the unusual shape of the lenses, but I secured them with RTV as well and we both used this setup extensively for both snorkeling and diving multiple time per day on a 2 week tropical dive trip. Total success! I could see where some sea water started to seep under a corner of one of my lenses, so I really think the RTV security dots were a fail safe solution, yet still enable me to remove the magnifier lenses should I decide to replace the mask.
Dom Rep Diver
I can see my wrist computer again, even on a night dive!2017年3月14日 - 已在美国亚马逊上发表
Last year I began having difficulty seeing the numbers on my wrist computer during daytime dives, and on a night dive, I couldn't see them at all. I feared my night diving days (or nights) were behind me if i didn't look into an expensive prescription mask. I figured I'd give these a try first and if they didn't work or came loose, as many reviews suggested, my investment loss would be small. I'm happy to report that they exceeded my expectations! I was able to clearly read my computer during both day and night dives. Since I already have bifocal glasses, adjusting to these was no problem at all. I also have to say that I'm confused by the reviews that indicated the magnifiers came loose. I followed the directions exactly, most importantly, pressing the concave side down to create a suction cup effect. After 9 dives over 2 days, where I used defog drops on the inside of the mask before each dive followed by a vigorous rinse in fresh water and then routinely let a little sea water into my mask during my dives to help keep it clear, the magnifiers kept their strong grip on my mask. I highly recommend these.