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Image of Altair Astro 1.25 Inch Dielectric Star Diagonal
 

Altair Astro 1.25 Inch Dielectric Star Diagonal

Whether you're looking to build a telescope system from scratch, or wish to upgrade your "kit" Star Diagonal, the Altair Astro 1.25 inch Dielectric Star Diagonal offers 99% reflectivity due to its multi-layer dielectric coatings, and extreme durability...


 
Image of Altair Astro 2 Inch Dielectric Diagonal
 

Altair Astro 2 Inch Dielectric Diagonal

Whether you're looking to build a telescope system from scratch, or wish to upgrade your "kit" Star Diagonal, the Altair Astro 2 inch Dielectric Diagonal offers 99% reflectivity due to its multi-layer dielectric coatings, and extreme durability thanks...


 
Image of Altair Astro 2 Inch Quartz Dielectric Diagonal
 

Altair Astro 2 Inch Quartz Dielectric Diagonal

Whether you're looking to build a telescope system from scratch, or wish to upgrade your "kit" Star Diagonal, the Altair Astro 2 inch Quartz Dielectric Diagonal offers 99% reflectivity due to its multi-layer dielectric coatings, and extreme durability...


 
Image of Altair Astro 2 Inch SCT Dielectric Diagonal
 

Altair Astro 2 Inch SCT Dielectric Diagonal

Whether you're looking to build a telescope system from scratch, or wish to upgrade your "kit" Star Diagonal, the Altair Astro 2 inch SCT Dielectric Diagonal offers 99% reflectivity due to its multi-layer dielectric coatings, and extreme durability thanks...


 
Image of Sky-Watcher 1.25 Inch Deluxe Di-Electric Coated 90 degree Diagonal
 

Sky-Watcher 1.25 Inch Deluxe Di-Electric Coated 90 degree Diagonal

The mirrors inside these diagonals have undergone a special high-reflectivity multi-coating process, allowing them to reflect 99% of the precious gathered starlight, providing exceptional brightness and contrast (Standard diagonals typically reflect 90-95%...


 
Image of Sky-Watcher 2 Inch 90 Degree Star Diagonal
 

Sky-Watcher 2 Inch 90 Degree Star Diagonal

A 2 inch 90 degree Star Diagonal which will accept 2 inch eyepieces directly. Comes complete with a 1.25 inch adaptor for 1.25 inch eyepieces.


 
Image of Sky-Watcher 2 Inch Deluxe Di-Electric Coated 90 degree Diagonal
 

Sky-Watcher 2 Inch Deluxe Di-Electric Coated 90 degree Diagonal

The mirrors inside these diagonals have undergone a special high-reflectivity multi-coating process, allowing them to reflect 99% of the precious gathered starlight, providing exceptional brightness and contrast (Standard diagonals typically reflect 90-95%...


 
Image of Sky-Watcher 90 Degree Star Diagonal
 

Sky-Watcher 90 Degree Star Diagonal

A 90 degree Star Diagonal designed to fit 1.25”/31.7mm focusers and eyepieces, designed to give a more comfortable viewing position over extended periods.