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For sale is a Unertl Optical Flat Mirror in Enclosure, Approximately 24 inches. It comes with a very heavy duty enclosure that allows a certain amount of movement and alignment. There is some rust on the outside of some alignment pieces. The mirror surface is protected by a heavy duty, locking aluminum cover. I checked the mirror surface pretty carefully and did not notice any imperfections, such as deep gouges, dirt, etc. It appears to be very straight and reflects very well. I am not an expert in these mirrors and do not know how to properly test one. It is sold as is. This optical flat belonged to Recon Optical/ISR Goodrich and was used to test manufacture of spy satellites and spy airplane cameras. Then I bought it at auction. They told me, do you realize what you bought? And said that this mirror cost them a million dollars, they grow it in some special way. It is extremely heavy and will be shipped by freight only. Custom crate, if needed, will be $150.
