William Optics

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William Optics William Optics RC focuser and 0.8x Reducer Flattener kit (Specify Color)
The 3.3" William Optics Rack & Pinion RC Focuser is made to work with GSO Ritchey-Chrétien telescopes. This type of focuser is compatible with Apertura RC telescopes as well!
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William Optics RC focuser and 0.8x Reducer Flattener kit (Specify Color)
$1,613.00
William Optics William Optics x0.72 Reducer Flattener 8 - P-FLAT8
This revolutionary new WO x0.72 Reducer flattener it’s Adjustable was made for 6 -7.8 F ratio refractors.
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William Optics x0.72 Reducer Flattener 8 - P-FLAT8
$806.00
William Optics William Optics 0.8x Reducer Flattener 7 (Black) for FLT132 and GT153 only GT102 (optional)
William Optics Flattener 7 for Gran Turismo 102 APO Refractor
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William Optics 0.8x Reducer Flattener 7 (Black) for FLT132 and GT153 only GT102 (optional)
$691.00
William Optics William Optics New Adjustable Flattener 68III for FLT132/GT102/GT153
This revolutionary new WO FF68III Adjustable Flattener was made for 6 -7.5 F ratio refractors.
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William Optics New Adjustable Flattener 68III for FLT132/GT102/GT153
$656.00
William Optics William Optics FLAT6AIII special edition Flattener for Fluorostar 91
FLAT6AIII special edition for Fluorostar 91
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William Optics FLAT6AIII special edition Flattener for Fluorostar 91
$293.00
William Optics William Optics New Adjustable Flat6A III (T-mount not included)
This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors.
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William Optics New Adjustable Flat6A III (T-mount not included)
$229.00
William Optics William Optics New Adjustable Flat61a Flattener for Z61
New Adjustable Flat61 for Z61
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William Optics New Adjustable Flat61a Flattener for Z61
$229.00
William Optics William Optics New Adjustable Flat73A for Z73
William Optics New Adjustable Flat73A for Z73
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William Optics New Adjustable Flat73A for Z73
$229.00
William Optics William Optics Longer adusting adapter for FLAT68III, FLAT7A
Use this adapter for longer adjusting with William Optics field flatteners
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William Optics Longer adusting adapter for FLAT68III, FLAT7A
$49.00
William Optics William Optics M80 to M54 Flattener Adapter
This field flattener from Williams Optics adapts M80 to M54. (M80 to M54 x 0.75) (Flat68III, Flat7A)
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William Optics M80 to M54 Flattener Adapter
$49.00
William Optics William Optics M80 to M68 Flattener Adapter
This field flattener from Williams Optics adapts M80 to M68. (M80 to M68 x 1.0) (Flat68III, Flat7A)
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William Optics M80 to M68 Flattener Adapter
$49.00
William Optics Adapter for Flat 6A to FLT91
William Optics Adapter for Flat 6A to FLT91
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William Optics Adapter for Flat 6A to FLT91
$0.00