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FREE SHIPPING FOR ORDERS OVER 500$* Some exceptions may apply

Diagonals

This is our selection of diagonals. From dielectric mirrors to regular ones. The diagonal is the accessory you need when you own a refractor or a cassegrain telescope. 

 

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William Optics 2" Durabright Diagonal for SCT (D-DIG2D-C-DB-SCT) - Astronomy Plus
William Optics 2" Durabright Diagonal for SCT (D-DIG2D-C-DB-SCT) - Astronomy Plus
$248.00 - $248.00
$248.00
$248.00 - $248.00
$248.00

William Optics 2" Durabright Diagonal for SCT (D-DIG2D-C-DB-SCT)

William Optics

William Optics 2" Durabright Diagonal for SCT This 90° 2"mirror-type star diagonal has a Dura-Bright 12mm thick mirror and dielectric mirror coatin...

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$248.00 - $248.00
$248.00
$248.00 - $248.00
$248.00
William Optics 2" Durabright Diagonal (D-DIG2D-C-DB) - Astronomy Plus
William Optics 2" Durabright Diagonal (D-DIG2D-C-DB) - Astronomy Plus
$228.00 - $228.00
$228.00
$228.00 - $228.00
$228.00

William Optics 2" Durabright Diagonal (D-DIG2D-C-DB)

William Optics

William Optics 2" Durabright Diagonal This 90° 2"mirror-type star diagonal has a Dura-Bright 12mm thick mirror and dielectric mirror coatings for 9...

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$228.00 - $228.00
$228.00
$228.00 - $228.00
$228.00
William Optics 1.25" DURA BRIGHT Dielectric Diagonal (D-125D-C-DB) - Astronomy Plus
William Optics 1.25" DURA BRIGHT Dielectric Diagonal (D-125D-C-DB) - Astronomy Plus
$158.00 - $158.00
$158.00
$158.00 - $158.00
$158.00

William Optics 1.25" DURA BRIGHT Dielectric Diagonal (D-125D-C-DB)

William Optics

William Optics 1.25" DURA BRIGHT Dielectric Diagonal Introducing New model William Optics Dura-Bright diagonal - a dramatic step forward in the evo...

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$158.00 - $158.00
$158.00
$158.00 - $158.00
$158.00
William Optics 1.25" inch RedCat Erecting Prism - Silver Version (D-EP90-125-RC51-SL) - Astronomy Plus
William Optics 1.25" inch RedCat Erecting Prism - Silver Version (D-EP90-125-RC51-SL) - Astronomy Plus
$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00

William Optics 1.25" inch RedCat Erecting Prism

William Optics

William Optics 1.25" inch RedCat Erecting Prism High quality erecting prism with Red anodized plate, the complete housing is made by 6061T Alumin...

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$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00
William Optics 90° 1.25" Erect Prism (D-EP90-125II) - Astronomy Plus
William Optics 90° 1.25" Erect Prism (D-EP90-125II) - Astronomy Plus
$138.00 - $138.00
$138.00
$138.00 - $138.00
$138.00

William Optics 90° 1.25" Erect Prism (D-EP90-125II)

William Optics

William Optics 90° 1.25" Erect Prism This 1.25" 90 deg. erecting prism will very happy to be used with that nice premium refractor of yours! Perf...

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$138.00 - $138.00
$138.00
$138.00 - $138.00
$138.00
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