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![](https://ae01.alicdn.com/kf/Hd24539705b7c4fc9b953849db8ba56007/DIY-20mm-25mm-30mm-35mm-40mm-42mm-50mm-54mm.jpg) ![](https://ae01.alicdn.com/kf/H1e142906038844b886ca8b4e4688bf6cF/DIY-20mm-25mm-30mm-35mm-40mm-42mm-50mm-54mm.jpg) ![](https://ae01.alicdn.com/kf/H77407b1afcea42d3968f4922ad4485d0x/DIY-20mm-25mm-30mm-35mm-40mm-42mm-50mm-54mm.jpg) ![](https://ae01.alicdn.com/kf/Hb31dff2492894fb8a72ec48f59057f98O/DIY-20mm-25mm-30mm-35mm-40mm-42mm-50mm-54mm.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/Hd24539705b7c4fc9b953849db8ba56007/DIY-20mm-25mm-30mm-35mm-40mm-42mm-50mm-54mm.jpg) ![](https://ae01.alicdn.com/kf/H1e142906038844b886ca8b4e4688bf6cF/DIY-20mm-25mm-30mm-35mm-40mm-42mm-50mm-54mm.jpg) ![](https://ae01.alicdn.com/kf/H77407b1afcea42d3968f4922ad4485d0x/DIY-20mm-25mm-30mm-35mm-40mm-42mm-50mm-54mm.jpg) ![](https://ae01.alicdn.com/kf/Hb31dff2492894fb8a72ec48f59057f98O/DIY-20mm-25mm-30mm-35mm-40mm-42mm-50mm-54mm.jpg) ![](https://ae01.alicdn.com/kf/H06e5e3a64d9a409faf2dd89e0b59a816F/DIY-20mm-25mm-30mm-35mm-40mm-42mm-50mm-54mm.jpg)
- »ç¿ë¹ý: ±¤ÇÐ
- Àç·á: Plate Glass
- ºê·£µå À̸§: SRATE
- ¿ø»êÁö: Áß±¹
- Telescope Type: Reflector
- Material: Plate Glass
- Type: Mirror
- Features: Fully Multi-Coated
- Packing list: Secondary Mirror *1
Elliptical Secondary Mirror for DIY Newtonian Reflecting Astronomical Telescope
![](https://ae01.alicdn.com/kf/H07246da9cec64eb981f5681b3ae5072bj.jpg)
Newtonian Telescope Secondary Mirror Type: Elliptical Plane Mirror Auxiliary Mirror Size Available: 20/25/30/35/40/42/50/54mm for choosing Tolerance: ±0.5 Surface Accuracy PV: 1/4-1/6¥ë Coating: Aluminum Reflection + Protective Film
Minor axis: refers to the length of the short side diameter 20mm minor axis secondary mirror, 20mm short side length, surface aluminized film and protective film, suitable for use with 76mm caliber reflective primary mirror.
25mm minor axis secondary mirror, 25mm short side length, surface aluminized film and protective film, suitable for use with 114mm diameter reflective primary mirror.
35mm minor axis secondary mirror, short side length 35mm, surface aluminized film and protective film, suitable for use with 127mm, 133mm, 135mm, 150mm, aperture reflector primary mirror.
40mm minor axis secondary mirror, 40mm short side length, surface aluminized film and protective film, suitable for use with 127mm, 133mm, 135mm, 150mm, aperture reflector primary mirror.
![](https://ae01.alicdn.com/kf/Hffcfb853dce44b1697f009859bf8fd47h.jpg)
DIY ¿ë Ÿ¿øÇü º¸Á¶ °Å¿ï ´ºÅÏ ¹Ý»ç õü ¸Á¿ø°æ
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´ºÅÏ ¸Á¿ø°æ º¸Á¶ °Å¿ï À¯Çü: Ÿ¿øÇü Æò¸é °Å¿ï º¸Á¶ ¹Ì·¯ Å©±â »ç¿ë °¡´É: 20/25/30/35/40/42/50/54mm ¼±Åà °¡´É °øÂ÷: ¡¾ 0.5 Ç¥¸é Á¤È®µµ PV: 1/4-1/6¥ë ÄÚÆÃ: ¾Ë·ç¹Ì´½ ¹Ý»ç + º¸È£ Çʸ§
ºÎ Ãà: ªÀº Ãø¸é Á÷°æÀÇ ±æÀ̸¦ ³ªÅ¸³À´Ï´Ù. 20mm ¸¶ÀÌ³Ê Ãà º¸Á¶ ¹Ì·¯, 20mm ªÀº Ãø¸é ±æÀÌ, Ç¥¸é ¾Ë·ç¹Ì´½ Çʸ§ ¹× º¸È£ Çʸ§, 76mm ±¸°æ ¹Ý»ç ±âº» ¹Ì·¯¿Í ÇÔ²² »ç¿ëÇϱ⿡ ÀûÇÕÇÕ´Ï´Ù.
25mm ¸¶ÀÌ³Ê Ãà º¸Á¶ ¹Ì·¯, 25mm ªÀº Ãø¸é ±æÀÌ, Ç¥¸é ¾Ë·ç¹Ì´½ Çʸ§ ¹× º¸È£ Çʸ§, 114mm Á÷°æÀÇ ¹Ý»ç ±âº» ¹Ì·¯¿Í ÇÔ²² »ç¿ëÇϱ⿡ ÀûÇÕÇÕ´Ï´Ù.
35mm ¸¶ÀÌ³Ê Ãà º¸Á¶ ¹Ì·¯, ªÀº Ãø¸é ±æÀÌ 35mm, Ç¥¸é ¾Ë·ç¹Ì´½ Çʸ§ ¹× º¸È£ Çʸ§, 127mm, 133mm, 135mm, 150mm, Á¶¸®°³ ¹Ý»ç°æ ±âº» °Å¿ï.
40mm ¸¶ÀÌ³Ê Ãà º¸Á¶ ¹Ì·¯, 40mm ªÀº Ãø¸é ±æÀÌ, Ç¥¸é ¾Ë·ç¹Ì´½ Çʸ§ ¹× º¸È£ Çʸ§, 127mm, 133mm, 135mm, 150mm, Á¶¸®°³ ¹Ý»ç°æ ±âº» °Å¿ï.
![](https://ae01.alicdn.com/kf/Hffcfb853dce44b1697f009859bf8fd47h.jpg)
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