Search:

Type: Posts; User: John@OWDC; Keyword(s):

Page 1 of 20 1 2 3 4

Search: Search took 0.09 seconds.

  1. This Weeks Video: Lens Vents & Fogging

    https://www.youtube.com/watch?v=sOu3luW5g4s
  2. As I read it a mercury bulb at 254 would be quite...

    As I read it a mercury bulb at 254 would be quite effective.
  3. OK here is what the guy with the big brain has to...

    OK here is what the guy with the big brain has to say:

    "The wavelengths that are considered “germicidal” are 195-275 nm. The really short wavelengths have the added ability to create ozone. ...
  4. If (big IF) I understand it correctly UVA and UVB...

    If (big IF) I understand it correctly UVA and UVB can be effective but as you mention it takes a much, much longer time.

    I'll check with the smart people and see what they say.

    John
  5. This Weeks Video: UVC Frame Disinfecting

    https://www.youtube.com/watch?v=ASjjkt2JXus&t=193s
  6. This Weeks Video: DAL Test Drive Results

    https://www.youtube.com/watch?v=cVRf5Yb0En0&t=264s
  7. Replies
    2
    Views
    347

    This Weeks Video: Helmet Fit

    https://youtu.be/O_ZW3P9JZcY
  8. Replies
    0
    Views
    240

    This Weeks Video: Verification Part II

    https://www.youtube.com/watch?v=EceKSkGIkso
  9. Replies
    0
    Views
    324

    This Weeks Video: Verification

    https://www.youtube.com/watch?v=RYXj69pK9X4&t=3s
  10. This Weeks Video: Vertex Compensation By D = 1/f

    https://www.youtube.com/watch?v=xi_fCBQgvo4
  11. Replies
    0
    Views
    307

    This Weeks Video: Make DALs Not PALs

    https://www.youtube.com/watch?v=UVsNeoBOlRk&t=1s
  12. This Weeks Video: Quick Look Surface Power Formula

    https://www.youtube.com/watch?v=Ih1jPkvl96w
  13. Replies
    0
    Views
    289

    This Weeks Video: An Analogy Of Vision

    This week we step a bit outside our usual subject matter and examine your brain. What does a video projector and your eye have in common? Perhaps more than you think they do.
    ...
  14. idispense: I fail to see where any of your...

    idispense: I fail to see where any of your comments would help an optician be better at their job?


    What if things went like this instead?


    Hey John, whoa, sorry but for me that video was...
  15. Thanks - Yeah I know some labs won't drill any...

    Thanks - Yeah I know some labs won't drill any number of materials. I will mention that in the upcoming video. I also mention that experience like yours with 1.74 (and what Barry said) should be the...
  16. Hey all... John here. Thanks for the support! ...

    Hey all...
    John here.
    Thanks for the support!

    I've been letting this one ride a bit and seeing where it would go.
    Trust me with over 1.6 million views on YouTube I'm used to the occasional...
  17. And now you are going to appear in an upcoming...

    And now you are going to appear in an upcoming video Barry!
  18. Thanks Uncle Fester! That helps.

    Thanks Uncle Fester!
    That helps.
  19. Drill Mounts in 1.60, 1.66, 1.67, 1.70, 1.74 Lab Rats Needed

    OK
    Your real world, actual hands-on, experience.

    Do you work in a lab?
    OR
    Do you personally do a ton of drill mounts?

    What are your guidelines on drill mounts in those materials?

    PLEASE
  20. Again - only my opinion - (well and some others...

    Again - only my opinion - (well and some others too) - I seriously doubt 90+% of opticians would even know what the POW measurements are and why and how they would be used in a free-form lens design....
  21. This Weeks Video: Electronic Measuring System

    https://youtu.be/RvpleNRHRIU
  22. This Weeks Video: Notes Found On "Prescriptions"

    https://youtu.be/mTORBvwmhI8
  23. Time On Your Hands? FREE, FREE, FREE Optician Videos Here

    PLEASE SHARE!
    Thanks

    https://www.youtube.com/watch?v=_F0N4awcaYo

    https://www.youtube.com/channel/UCdfKXBLjBDbX2X2g0XuAbmw/videos
  24. Frames Needed For Education Project HELP PLEASE!

    We are working with an edger company on producing a video on Advanced Bevel Placement.
    To make that work we need a few frames.


    Frames certainly don't need to be new but they do need to be...
  25. Replies
    0
    Views
    327

    This Weeks Video: Specific Gravity

    https://youtu.be/LmBEYzd4uEg
Results 1 to 25 of 500
Page 1 of 20 1 2 3 4
OptiBoard is proudly sponsored by:
Younger Optics and Vision Equipment