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November 26, 2014

Posts by Can anyone help?


Total # Posts: 6

physics
A technician wishes to produce the lens +2.00DS/+2.00DC x90 in toric form, in CR39(n=1.498)with a -5.00 base curve. After finishing the toroidal surface with the CR39 tool it is discovered that, in error, they have used a plastics material of refractive index 1.56. Which CR39 ...
November 27, 2012

precalculus
Well said Jman!
November 27, 2012

physics
A technician wishes to produce the lens +2.00DS/+2.00DC x90 in toric form, in CR39 (n=1.498)with a -5.00 base curve. After finishing the toroidal surface with the CR39 tool it is discovered that, in error, they have used a plastics material of refractive index 1.56. Which CR39...
November 27, 2012

physics
First time I have used this-didnt think my posts where showing!lol
November 27, 2012

physics
A technician wishes to produce the lens +2.00DS/+2.00DC x90 in toric form, in CR39 with a -5.00 base curve. After finishing the toroidal surface with the CR39 tool it is discovered that, in error, they have used a plastics material of refractive index 1.56. Which CR39 tool ...
November 27, 2012

physics
A technician wishes to produce the lens +2.00DS/+2.00DC x90 in toric form, in CR39 with a -5.00 base curve. After finishing the toroidal surface with the CR39 tool it is discovered that, in error, they have used a plastics material of refractive index 1.56. Which CR39 tool ...
November 27, 2012

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