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| General Optics and Eyecare Discussion Forum General topics concerning the vision and eyecare field. |
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#1
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Eclipse Blocker...
Help, I can't remember! If I have a job calling for a "BLUE" block and all my blues are in use, which one do I sub? the flatter red ones or the steeper grey ones?
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#2
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C'mon......
Hurry!!!
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#3
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Eenie, meanie, minie ...
Sorry, best advice I can offer (good luck tho) |
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#4
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gray, allow longer cooling especially if it's not cr-39 or 1.56.
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#5
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Go Steep
Braheem is correct - you want to go to the next steeper block if the correct block is not available. You can tolerate having a bit more of the blocking material under the center of the lens, but you can't deal with too little. Too flat a block and the front of the lens will bottom out on it.
__________________
Dave Finegan |
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#6
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Ding..ding...ding....
And we have a winner!!! Grey it is! Thanks so much.
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#7
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Ebay to get some more blocks!
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#8
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yep..
Copy That!
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