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80mm Refractor Telescope – 3D printable model from MakerWorld MakerWorld
Physics & Astronomy

80mm Refractor Telescope

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This an 80mm objective diameter, 330mm focal length refractor telescope. It is a work in progress, but it should be functional as-is with some fuss and fitting. each section is small enough to be printed on a Prusa Mini. It uses this 1.25" crawford focuser and a cheap lens off I got off ebay. Additionally a 1.25" diagonal and eyepieces are required to make this functional.The lens is 82mm is diameter and I measured its focal length at 316mm. I do get some chromatic aberrations as is typical with lens of this type. Overall this is a cheap and relatively fast scope with reasonable image quality.So far I have only printed this in PLA, and I will report back if I have any issues. A variety of M3 and M4 screws and threaded inserts are also required for assembly. Additionally one ¼ 20 threaded insert is required for the tripod mount. Four springs are needed for the lens cap. Update 7/19/2022: so far the PLA has held up fine. It survived a week long RV trip being bounced around on dirt roads.
Category
Physics & Astronomy
Source
MakerWorld
Published
Updated
What you need to print this: Intermediate Low confidence
Single piece Hardware needed
Supports 1/3
Assembly 0/3
Settings 1/3
Bed size 0/3
Post-process 1/3
Printer
FDM / FFF
File format
STL
Material
PLA
Post-processing
Hardware
Software
Cura, PrusaSlicer, or similar
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