Sky Mentor 45º Image Erect Diagonal - 1.25" - 45IE-125 Baader Hyperions Every air-to-glass surface is multi-coated

Every air-to-glass surface is multi-coated with Celestrons proprietary XLT coating technology

Just like using an umbrella to keep off the rain

25" focuser (or focuser adapter) of your telescope and then use eyepieces as normal

Carry bag holds your Infinity 80-90-102 mount

This 40mm diameter highly portable dedicated solar telescope features completly internal non-removable and student safe solar filtering optics with a 1

Sky Mentor 45º Image Erect Diagonal - 1.25" - 45IE-125 Baader Hyperions Every air-to-glass surface is multi-coatedSky Mentor 45 Erecting Diagonal 1. 25" An image erect diagonal is really nice to have if you want to use your telescope terrestrially as a spotting scope! Out of the box, most astronomical telescopes produce a mirror image. Astronomers do not bother to correct this image when looking at or photographing the sky, as doing so adds another bounce of light that lowers image brightness a bit. However, image brightness is normally not a concern during the