Zerodur 16.5" NASA Telescope Mirror Blank For Sale
Zerodur 16.5" NASA Telescope Mirror Blank:
ZERODUR GLASS TELESCOPE MIRROR BLANK 16.5" x .815"
NASA OWNED, EXCESS STOCK INVENTORY
Mirror Blank previously Ground Flat at NASANo coating.
Bubble free, no cracks or Blemishes
IMPORTANT:**EDGES ARE ROUGH, WITH SEVERAL CHIPS PEASE SEE PICTURES!!**
Evan with rough edges, main bulk of surface through the center is flat and clear, can still be ground, figured and polished for mirror to put in your home made telescope
- Genuine Ultra Low Expansion Substrate, Zerodur, made by Schott AG
- Rare super thin blank, less than 1 inch at .815"
- Excellent hardness forbringing to desired shape.
- NASA high grade optical glass that was designated as surplus, not needed.
IMPORTANT INFORMATION!PLEASE, PLEASE, Check out the pictures to view the imperfections on the edge, rememberthese blank is meant to be ground down so these edges will improve during the figuring process, and won't interfere with field of view.
All surplus items and used items are sold as is and no returns, no refunds. Description is accurate and represents item in photosaccurately as well. Item will ship UPS with full coverage in case of damage during shipping. If damaged you must documentpackaging and all details of damages with photos. Only then can Space Junkies file a claim on your behalf forreimbursement with the shipping company. Thank you for your business and please reach out to us if you have any questions regarding this or any other items we are currently selling.
Due to ITAR regulations on the reselling of some important inventory with NASA and the US Federal Govt., you must be a US citizen to purchase this item. We can only ship to thecontinent lower 48 state in the US mainland. Thankyou for your cooperation