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  1. Replies
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    14,003

    Hi yes thanks - am very interested in sgx parts...

    Hi yes thanks -
    am very interested in sgx parts - could you send me your spreadsheet rob@i-optic.com - thanks :)
  2. Replies
    67
    Views
    39,004

    Hi, Am interested in sgx- models- how many...

    Hi,

    Am interested in sgx- models- how many click on the click pls ? and what price pls ?

    robioptic@yahoo.com
  3. Replies
    5
    Views
    3,035

    Hi, Could do with some spares... How complete...

    Hi,
    Could do with some spares...
    How complete is it ?
    Do the boards work - or any clue what parts need replacing - or which parts can be salvaged ?

    thanks ?
  4. Replies
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    sgx

    Hi,
    do you have any of the sgx boards - working condition pls ?
  5. Replies
    5
    Views
    3,785

    Pls send me price

    Pls send me price
  6. Hi,pl s send me a list of sgx parts

    Hi,pl

    s send me a list of sgx parts
  7. Basic Rx lenses- excess manufacturing capoacity

    Hi

    Have some excess capacity for basic Rx
    SV, FT, RS and MF

    all in CR- $6-14 pair or front surface HC + $1.00

    rob@i-optic.com

    drop me a line if you ca take 50 or more per day ...
  8. Replies
    2
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    3,410

    super - thanks - forgot completely about the...

    super - thanks - forgot completely about the wheel edge radius in the formula :)

    At this stage the question had over 70 viewings and one reply - yours!

    Hence tip me hat' and award you 1 place...
  9. Replies
    67
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    39,004

    lab equipment

    Pls supply list and condition and $ of used lens making equipment

    thanks!
  10. Replies
    2
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    3,410

    Coburn cutting crown angle formula

    Hi all optic gurus !

    Does anyone remember the formula which determines the cross base power to be cut- to an angle - which is used to set the Coburn generator head ? :)

    From memory the formula...
  11. Replies
    0
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    1,043

    Rx Lesn distributor needed

    Hi,

    we need a few Rx labs who are looking for a value line of grind, semi and or stock lenses. Quality is consistant, ordering is automated and margins are better than grinding them yourself. So...
  12. Replies
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    7,930

    Hi, My company has written several of these...

    Hi,
    My company has written several of these systems as well as we are activly using it for our own wholesaling. We are looking for a reresentative for our lens brand in the USA- perhaps we can find...
  13. Replies
    3
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    3,744

    try these links

    http://www.i-optic.com/images/sphere.gif

    http://www.i-optic.com/images/stocklenssize.gif

    We use them for training.

    best regards
    Rob
    -o-o-
  14. Thread: cr 39 shrinkage

    by ioptic
    Replies
    8
    Views
    3,500

    reply

    Hi,

    yes - the works:)

    best regards
    ROb
    -o-o-
  15. Thread: cr 39 shrinkage

    by ioptic
    Replies
    8
    Views
    3,500

    ...chemical reactions

    Thats chemical reactions for you :) change the input and you change the output ...

    I guess thats why in-house casting has such a bad reputation. I once saw an MC machine 1 foot away from a water...
  16. Thread: cr 39 shrinkage

    by ioptic
    Replies
    8
    Views
    3,500

    Hi Darryl,

    Thanks for the tip- tis saves me many agonising hours of useless theorising :)

    I see postings of 14-16%, ut when I halt to guys, they always whing it !

    Many thanks
    ROb
    -o-o-
  17. Replies
    13
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    8,156

    good observastion

    I have thought for some time that astigmatism due to the angle the eye uses, when looking through a lens, is the main cause of blur in the pheriphery. This phenomena can sometimes be found when Mf...
  18. Thread: cr 39 shrinkage

    by ioptic
    Replies
    8
    Views
    3,500

    reply

    yup again- getting one's hands dirty always beats chin wagging :)

    rob
    -o-o-
  19. Thread: cr 39 shrinkage

    by ioptic
    Replies
    8
    Views
    3,500

    cr 39 shrinkage

    Hi all,

    I am trying to work out the radius compensation for cr39 shrinkage - when casting cr lenses.

    ..say I want a cr lens surface of radius 100mm - I expect to use a glass mould surface of...
  20. reply

    I can supply design and lenses and equipment to manufacture.

    best regards
    ROb
    -o-o-
  21. reply

    Yes- that's good advise!

    best regards
    ROb
    -o-o-
  22. Super wide multifocal lenses are possible!- but how to commercialise R&D ?

    Hi everyone!. Not sure if this is the right forum for this question.

    I have done some r&d into MF lens manufacturing and have finally cracked the problem of the narrow corridor.
    ...
  23. Replies
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    8,156

    Impressed 1

    Hi Optiformum contributors!

    Must say that I am very impressed about the caliper of the contributors and the web-links to the resouces are also top-notch. Well done everyone- I am usually not...
  24. Replies
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    8,156

    Hi Harry, what a neat web site! and fabulous...

    Hi Harry,

    what a neat web site! and fabulous playground for opticians :)

    I'll be making it one of my favourite!

    many thanks
    ROb
    -o-o-
  25. Replies
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    8,156

    Hi Dick, thanks- that was a lot of...

    Hi Dick,

    thanks- that was a lot of interesting information!

    thanks and best regards
    ROb
    -o-o-
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