Here are the tweets that mention Refractor Lenses
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Daniel Schulz
Stopped by a friend's house today to pick something up, and he had his newly-upgraded solar observatory up and runn… https://t.co/7kHBTZr9CB
https://twitter.com/deschulz 11 months ago
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Gennaro97oxV
51 52 Mm Aspherical Doublet Double Convex Achromatic Lens DIY Refractor Astronomical Telescope Objective Lenses Asp… https://t.co/k5smYnfVzt
https://twitter.com/gennaro97ox 11 months ago
