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Amazon.com : Astronomy Telescope T M48 * 0.75 Eyepiece Adapter Ring,Universal Aluminum Alloy Manual Aperture Focusing Control Adapter Ring for Nikon F for Ca DSLR Camera(for OS) : Electronics
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Amazon.com : Lightdow 420-800mm f/8.3 Manual Zoom Super Telephoto Lens + T Mount Ring for Nikon D3500 D5600 D7500 D500 D600 D700 D750 D800 D850 D3200 D3400 D5100 D5200 D5300 D7000 D7200
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