D62f350 Refraction Glue Green Film Objective Lens Achromatic Lens Parallel Light Tube Astronomical Telescope DIY Accessories

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Diameter 73mm Focal Length 276mm Astronomical Telescope Objective Lens D73f276 Glued Green Film Achromatic Lens K9

Ахроматическая рефракторная объективная линза Miling 70 мм

Diameter 72mm Focal Length 700mm Astronomical Telescope Objective Lens D72f700 Glued Green Film Achromatic Lens K9

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D42f134 Цементированный Объектив Рефрактор Астрономический Телескоп DIY Аксессуары Многослойная Зеленая Пленка Ахроматический Ar0627

Diameter 25mm Focal Length 63.4mm Astronomical Telescope Objective Lens D25f63.4 Glued Green Film Achromatic

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Серия с калибром 70 мм Рефракционный Цементированный Объектив Ахроматическая Линза Параллельный Световой Тубус Астрономический Телескоп DIY Аксессуары

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