2PCS Diameter 72mm Caliber Dual-separation Objective Lens Group Focal Length 600 500 800mm DIY Refracting Astronomical Telescope

2PCS Diameter 72mm Caliber Dual-separation Objective Lens Group Focal Length 600 500 800mm DIY Refracting Astronomical Telescope
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sku: 1005003150008641
$31.83
Shipping from: China
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