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Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens for Nikon F-Mount D6, D5, D4, DF, D850, D810, D780, D750, D700, D610, D500, D7500, D7200, D7100, D5600, D5500, D5300, D5200, D3500, D3400, D3300,
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Amazon.com : 420-800mm/840-1600mm f/8-16 Manual Telephoto Lens for Nikon D5, DF, D4, D810, D800, D750, D610, D500, D7500, D7200, D7100, D5600, D5500, D5300, D5200, D5100, D3500, D3400, D3300, D3200, DSLR Cameras :
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