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Thread: Trying to find 70 mm + power semi-finished lenses

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    Trying to find 70 mm + power semi-finished lenses

    I have to surface every single vision hyperopic Rx since there are no 70 mm semi-finished blanks-or are there? Anybody know?

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    Quote Originally Posted by kittyeyes View Post
    I have to surface every single vision hyperopic Rx since there are no 70 mm semi-finished blanks-or are there? Anybody know?
    I'm confused. Do you want to purchase 70mm SF lenses? I have them for sale
    Do you mean you want to buy 70 mm FINISHED LENSES so you don't have to surface them?
    65 mm finished should be big enough for the vast majority of Rx's.

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    Zeiss have a FSV range with a 70mm blank option for + Powers:
    1.5 spherical & 1.6 aspheric with Duravision Platinum or Duravision Blue Protect. Max sphere is +4.00

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    Quote Originally Posted by kittyeyes View Post
    I have to surface every single vision hyperopic Rx since there are no 70 mm semi-finished blanks-or are there? Anybody know?
    I think you're looking for finished 70mm blanks. I think both Hoya and Essilor have them.

  5. #5
    Rising Star McAnerin's Avatar
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    You can use Essilor Source, they have an OSA lite 1.56 Hi-vex w/ HMC+ available in 75mm blanks for both + and - powers
    -Poly is the best substrate for coatings.
    -Poly is extremely scratch resistant.
    -Poly is extremely impact resistant.
    -Poly is unparalleled in clarity.
    -Poly is much lighter than traditional crown glass.
    Like poly, you can trust me about 40% of the time.

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