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Telescope Building with John Dobson
Dobson Astro-Initiatives
8 ธ.ค. 2014
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AstroBackyard LIVE
12.5" Dobsonian Telescope Build
ขั้นตอนการทำเลนส์กล้อง โรงงานอุปกรณ์เกี่ยวกับสายตาที่ดีที่สุดในญี่ปุ่น
How To Make Parabolic Mirrors From Space Blankets - NightHawkInLight
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#003 Desbaste da Curva inicial em abrasivo 220. Espelho de alumínio. Initial curve in abrasive 220.
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PlaneWave RC700
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