Sharpstar 13028HNT 130mm f/2.8 HNT Hyperbolic Newtonian Astrograph Ilana Itọsọna
Kọ ẹkọ bii o ṣe le ṣeto daradara ati ṣatunṣe 13028HNT 130mm f/2.8 HNT Hyperbolic Newtonian Astrograph pẹlu afọwọṣe olumulo yii. Ṣe afẹri ohun elo ti a beere ati awọn ilana igbesẹ-nipasẹ-igbesẹ fun iṣatunṣe ipo digi ati collimation opiti. Pipe fun astrohotography alara.