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  #1  
Old 15-04-2021, 10:22 AM
JohnF (John)
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Join Date: Oct 2018
Location: Nimbin NSW Australia
Posts: 193
Mirror blanks

Six inch mirror blanks, Pyrex. Have two of these. Brand new in original boxes.

Swap for a 40mm Plossl Eyepiece, or wide field eyepiece, or for cash, etc.

PM me please as no phone. Only on internet a couple of times per week.
  #2  
Old 15-04-2021, 10:51 AM
hamishbarker
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what are the diameters and thicknesses of the mirror blanks?
  #3  
Old 20-04-2021, 10:20 AM
JohnF (John)
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Location: Nimbin NSW Australia
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their cartons are marked as,

Glass [Pyrex]
Code 634060
6" X 1"
Telescope blanks.

Have a pair unused.

Only on internet two days a week normally.
  #4  
Old 20-05-2021, 08:36 AM
JohnF (John)
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Location: Nimbin NSW Australia
Posts: 193
still for sale
  #5  
Old 27-05-2021, 11:40 AM
JohnF (John)
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Location: Nimbin NSW Australia
Posts: 193
can throw in for free, a 4 1/2 inch newtonian OTA which may have usable parts for your scope build. It needs mirrors resilvered, found that thrown out. It has a focusser for a smaller size eyepiece, and a seconary mirror and spider. Dont know if you can use these for your planned 6 inch using my blanks.
  #6  
Old 02-06-2021, 03:30 PM
JohnF (John)
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Location: Nimbin NSW Australia
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bump
  #7  
Old 03-06-2021, 10:03 AM
JohnF (John)
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Location: Nimbin NSW Australia
Posts: 193
in addition as a swap, would love a 2 inch filter for the Orion nebula, etc as a swap.

Last edited by JohnF; 08-07-2021 at 11:18 AM.
 

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