Telescope or Lense Blank, 150x12.5 mm, 1 piece, flint glass For Sale
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Telescope or Lense Blank, 150x12.5 mm, 1 piece, flint glass:
$25.00
These are brand new blanks, edge and both sides ground to about 75 grit finish.
SCHOTT Glass type F-7 , melt varies, let me know if you want all from the same batchYou need 2 pieces so you can use one as a tool to grind the other to your specs, for a telescope.or you could use some other less expensive glass as a tool. 2 pieces fit in a flat rate envelope, 3 or more need to go in a medium flat rate boxI will ship the cheapest way for you, don\'t pay until we agree on costs.
