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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. C

    Plastic lenses

    I always managed to scratch my glass lenses, mostly while cleaning them. My current plastic lenses have not scratched despite being cleaned just the same way. The optician's claims are correct and I haven't had to take him up on the guarantee. I've always assumed that the coatings (AR...
  2. C

    Plastic lenses

    Thanks. Again, I had not realized the differences between eyeglass lenses and binocular lenses.
  3. C

    Plastic lenses

    Thank you. I did not realize that eyeglass lenses are not as precisely made as those in binoculars.
  4. C

    Plastic lenses

    At the risk of again offending more experienced and knowledgeable members, I have a couple of questions. Yes, I have tried to search the internet for answers. Years ago, my eyeglasses had glass lenses. My optician convinced me to switch to plastic lenses, trivex in my case. He said these lenses...
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