Thread: Orion LHD Lanthanum 80 degree UWA Eyepieces
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  #8  
Old 16-02-2018, 07:10 PM
glend (Glen)
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Join Date: Jun 2013
Location: Lake Macquarie
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Is it actual Lanthanum glass or a Lanthanum coated regular glass, there is a difference. Given the high cost and very limited availability of Lanthanum glass i suspect its just coated.
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