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William Optics

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  • William Optics 12.5 mm Super Planetary Long Relief Eyepiece
    William Optics William Optics 12.5 mm Super Planetary Long Eye Relief Eyepiece - E-SPL125
    $108.00
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  • William Optics 9 mm SWAN 1.25
    William Optics William Optics 9 mm Super Wide Angle 1.25" Eyepiece - E-SWA09
    $79.00
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  • William Optics 20 mm SWAN Eyepiece - 1.25
    William Optics William Optics 20 mm Super Wide Angle 1.25" Eyepiece - E-SWA20
    $79.00
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  • William Optics 25 mm SWAN 2
    William Optics William Optics 25 mm Super Wide Angle 2" Eyepiece - E-SWA25
    $118.00
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  • William Optics 33 mm Super Wide Angle 2
    William Optics William Optics 33 mm Super Wide Angle 2" Eyepiece - E-SWA33
    $118.00
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  • William Optics 7 mm UWAN Eyepiece - 1.25
    William Optics William Optics 7 mm Ultra Wide Angle 1.25" Eyepiece - E-UWA07
    $198.00
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  • William Optics 40 mm Super Wide Angle Eyepiece - 2
    William Optics William Optics 40 mm Super Wide Angle 2" Eyepiece - E-SWA40
    $118.00
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  • William Optics William Optics Universal Smartphone Telescope Adapter - CLA20
    $99.00
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William Optics prides itself on quality you can see. Their short tube refractors have become iconic for their powder white, matte finish while still available at affordable prices. However, their full line of eyepieces has recently got the attention of amateur astronomers. William Optics now offers eyepieces to satisfy beginner and experienced astronomers alike using the high-quality optics you’ve come to expect from William Optics.


The William Optics Super Planetary eyepieces were designed with generous eye relief to satisfy even the most meticulous observer. Choosing an eyepiece with long eye relief is particularly helpful for people who wear glasses and those who would like to reduce eye strain while viewing celestial objects. As the name suggests, the Super Planetary eyepieces are perfect for viewing planets in our solar system. With the right scope, these eyepieces can show you high contrast surface details with a wide field of view.


The Super Wide Angle eyepiece series, dubbed SWAN, is an excellent choice for those getting started in astronomy. These eyepieces are reasonably priced and give you great performance for your buck. With a 72° field of view and fully multi-coated glass elements, the SWAN Eyepiece delivers stunning views of the night sky. These eyepieces are also parafocal, which means you don’t have to spend precious extra seconds refocusing when switching eyepieces.


The Ultra Wide Angle eyepiece series is William Optic’s high-end line of eyepieces. These eyepieces deliver unparalleled views of the night sky with an 82° ultra-wide field of view. This means you will be able to see large expanses of the night sky with superior contrast and enhanced clarity. The UWAN eyepieces dramatically reduce chromatic aberration for a true-color viewing experience. Moreover, all eyepieces come with a full 2-year warranty so you can be sure these eyepieces won’t let you down!

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