$D42F132 refractive cemented green film objective achromatic lens collimator telescope DIY accessories$ $D42F132 refractive cemented green film objective achromatic lens collimator telescope DIY accessories$ $D42F132 refractive cemented green film objective achromatic lens collimator telescope DIY accessories$ $D42F132 refractive cemented green film objective achromatic lens collimator telescope DIY accessories$ $D42F132 refractive cemented green film objective achromatic lens collimator telescope DIY accessories$

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D42F132 refractive cemented green film objective achromatic lens collimator telescope DIY accessories

US $20.42

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$D42F132 Glued Refracted HD Achromatic Objective Lens Astronomical Telescope DIY Accessories Optical Experiment$

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D42F132 Glued Refracted HD Achromatic Objective Lens Astronomical Telescope DIY Accessories Optical Experiment

US $14.03 US $12.35

$D42F132 refractive cemented green film objective achromatic lens collimator telescope DIY accessories$

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D42F132 refractive cemented green film objective achromatic lens collimator telescope DIY accessories

US $20.42