Dielectric Star Diagonal, 2” With Twist-Lock Refractor stars will appear out of

stars will appear out of focus at the edge when used with the flat chip sensor of a digital camera

especially when seeing conditions are good

The filter is delivered in a transparent storage box

Autoguider port for long exposure imaging

Orion: SkyQuest XT10

Dielectric Star Diagonal, 2” With Twist-Lock Refractor stars will appear out ofDescription Enjoy better views through your telescope with this premium diagonal featuring diffraction limited optics and dielectric coatings Provides a 90 viewing angle, perfect for more comfortable viewing through refractor and Cassegrain type telescopes 58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the eyepiece Twist lock keeps the eyepiece centered