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  1. very interesting thanks

    very interesting thanks
  2. Replies
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    Thanks Lensmd, this is the original filter...

    Thanks Lensmd,

    this is the original filter bevel.jpeg (dropbox.com) sorry for the quality of the photo,

    and.. yes It is a particular bevel, it is like a groove I can put a bit of my nailns in...
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    827

    Thank you. The original filter is 1mm CT, new...

    Thank you.

    The original filter is 1mm CT, new filters are 2mm CT base 6.
    I put out of the frame the new flter and the cross effect is almost the same, they are cut correctly in size.
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    Help with polar filters, are they ok?

    I ask to you friends.

    I have to replace a polarized cr39 backside AR filters for a prada frame, the originals are not avaible.

    My lab return the frame today, they mounted Zeiss Polar filter.
    ...
  5. dish soap? I think it have too high pH and that...

    dish soap? I think it have too high pH and that can damage the Ar

    Many lens cleaner have Ipa in low concentration I think it is safer...or go to with hand soap
  6. Replies
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    13,717

    Point of view, Poly is the worst material ever...

    Point of view, Poly is the worst material ever (good for impact resistance) but ok... also 1.74 is not so perfect

    A -11 in A 55 DBL 17 PD 33 have about 11,2 mm edge thickness in Poly.
    .
    In...
  7. Replies
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    826

    what about 3Bx Blocker - National Optronics...

    what about 3Bx Blocker - National Optronics Equipment ?
  8. Replies
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    826

    And why do you want to change your blocker? do...

    And why do you want to change your blocker? do you want a stand alone blocker or a "computer blocker"? how many lenses do you block per day?
  9. Replies
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    1,479

    For very cheaper digital design I do not know...

    For very cheaper digital design I do not know for sure.
  10. Thread: Intermediate pd

    by dima
    Replies
    10
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    1,168

    Crystal clear now thank to all

    Crystal clear now thank to all
  11. Thread: Intermediate pd

    by dima
    Replies
    10
    Views
    1,168

    Sorry guys, I do not understand: DPD-DPD is not...

    Sorry guys, I do not understand: DPD-DPD is not 0?
  12. Also talking with engineers, if everyone is...

    Also talking with engineers, if everyone is respectful... can made possible sell high value (high price) products also.
    You say to them is not a great deal a SV FF lenses for a -1 but they want try...
  13. Thread: Ezfit MEI edger.

    by dima
    Replies
    13
    Views
    1,476

    very helpfull thanks:bounce: Now I wonder how...

    very helpfull thanks:bounce:

    Now I wonder how a "3d tracer" with "Z off" can trace a frame in 3d? I miss something? maybe they "read" the wrap?

    When I can I choose use frame instead pattern...
  14. +1

    +1
  15. Thread: Ezfit MEI edger.

    by dima
    Replies
    13
    Views
    1,476

    Oh thanks Lensmanmd, Now I have to check on my...

    Oh thanks Lensmanmd, Now I have to check on my edger, I use 3d bevel auto mode, but now I don't know if this one use only the curvature of the lens or Z tilt also.
  16. Thread: Intermediate pd

    by dima
    Replies
    10
    Views
    1,168

    Best thing is use a PD meter, for near and...

    Best thing is use a PD meter, for near and intermediate, the rule of 3 mm off is not always accurate.
  17. Thread: Ezfit MEI edger.

    by dima
    Replies
    13
    Views
    1,476

    Maybe am I wrong but Z tilt value is not "ON" by...

    Maybe am I wrong but Z tilt value is not "ON" by default with all modern 3d tracers? or at least if we trace the frame and not demo/pattern lenses.
  18. Replies
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    3,236

    Sure no. A good sunglasses lens or Nupolar RX...

    Sure no. A good sunglasses lens or Nupolar RX can have a polarization efficiency of 99%
    This product seems like Vantage is max 90% of polarization but only when very dark.

    I want try it anyway...
  19. Replies
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    No you cannot have a polarized clear lens... it...

    No you cannot have a polarized clear lens... it is for physics law... it is not possible, the effect there is when the lens is dark
  20. Replies
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    (I think I will stick them in my uv bath at a low...

    (I think I will stick them in my uv bath at a low temp as the front should absorb it)


    mmmmm I don't think is a good idea for the Ar Coating.

    I think is a commercial trick.... what material is?
  21. Thread: Boxing system

    by dima
    Replies
    11
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    977

    Agree with you, I just want to say, with new...

    Agree with you, I just want to say, with new technology it is not a big issue dispensing/order the correct lens size.
  22. Replies
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    Maybe you are right (I think the same thing about...

    Maybe you are right (I think the same thing about blue light from smartphone vs the blue light from the sun) I think about some jobs like beach/lifeguard or outdoor job under the sun maybe in the...
  23. Replies
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    3,236

    I think the transitions vantage have only one...

    I think the transitions vantage have only one problem: it is a slow photochromic vs transitions classic or xtractive.

    I never try the nupolar infinity grey but I think is a better product (but it...
  24. Replies
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    RIP. The first very successfull Pal ever

    RIP.

    The first very successfull Pal ever
  25. Thread: Boxing system

    by dima
    Replies
    11
    Views
    977

    Great Barry,:happy: also "vertical fitting...

    Great Barry,:happy: also "vertical fitting high" or special case (ex. very uncommon: PD bigger than the frame A+DBL) can complicate the job.

    But it's 2021 we have computer, tracer and remote...
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