
Another beautiful product exclusively from William Optics. This 2” 45 deg. erecting prism will scream to be used with that nice premium refractor of yours! Perfect for daytime observations too.

Get great land views with your celestial telescope!Use your celestial telescope as a spotting scope!

If what you are looking for is the highest achievable brightness contrast and sharpness during critical observations with high-end instruments WO 90? 2 mirror Dielectric star Diagonal is your choice.

Tele Vue 90 Degree Everbrite Diagonal - 1-1/4 InchWhiter and brighter images. Simply put that is the benefit the Everbrite mirror coating.

Erecting Diagonal!Gives more comfortable views!The Zhumell 2-inch 90-degree diagonal prism is for everyone who's ever developed a sore back from bending over to look into a refractor telescope.

Tele Vue 90 Degree Diagonal - 2 InchThe 2” Enhanced Aluminum mirror coating provides a 96% reflective surface across all but the extreme ends of the visual spectrum.

You want a top-quality DIELECTRIC mirror for your WO-enhanced or silver diagonal?

Erecting Diagonal!Gives more comfortable views!The Zhumell 1.25-inch 90-degree diagonal prism is for everyone who's ever developed a sore back from bending over to look into a refractor telescope.

Celestron 2 Inch Diagonal with XLT Coatings for Refractor Telescopes Introducing our new 2” XLT Diagonal.

Get Stellar land views!Celestron's #94113A erect-image .965-to-1.25-inch diagonal offers out-of-this-world views of land objects.