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William Optics

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William Optics 0.72x Reducer/Flattener 8 (P-FLAT8) - Astronomy Plus
William Optics 0.72x Reducer/Flattener 8 (P-FLAT8) - Astronomy Plus
$1,088.00 - $1,088.00
$1,088.00
$1,088.00 - $1,088.00
$1,088.00

William Optics 0.72x Reducer/Flattener 8 (P-FLAT8)

William Optics 0.72x Reducer/Flattener 8 The William Optics 0.72x Reducer/Flattener 8 was made for 6 -7.8 F ratio refractors. This high-quality fla...

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$1,088.00 - $1,088.00
$1,088.00
$1,088.00 - $1,088.00
$1,088.00
William Optics 0.8x Flattener/Reducer (P-FLAT6AIII) - Astronomy Plus
William Optics 0.8x Flattener/Reducer (P-FLAT6AIII) - Astronomy Plus Save $19.00 Save $0.00
$309.00
$309.00 - $309.00
$309.00
$290.00
$290.00 - $290.00
$290.00

William Optics 0.8x Flattener/Reducer (P-FLAT6AIII)

William Optics 0.8x Flattener/Reducer Flat6AIII This William Optics 0.8x Flattener/Reducer has been designed to optimize the flat-field imaging p...

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$309.00
$309.00 - $309.00
$309.00
$290.00
$290.00 - $290.00
$290.00
Save $19.00 Save $0.00
William Optics 0.8x Flattener/Reducer for Fluorostar 91 (P-FLAT6AIII-M92) - Astronomy Plus
William Optics 0.8x Flattener/Reducer for Fluorostar 91 (P-FLAT6AIII-M92) - Astronomy Plus
$396.00 - $396.00
$396.00
$396.00 - $396.00
$396.00

William Optics 0.8x Flattener/Reducer for Fluorostar 91 (P-FLAT6AIII-M92)

William Optics 0.8x Flattener/Reducer Flat6AIII Special Edition For Fluorostar 91 All New Adjustable Flat6AIII with M92 thread adapter for use wi...

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$396.00 - $396.00
$396.00
$396.00 - $396.00
$396.00
William Optics 0.8x Flattener/Reducer (P-FLAT6AIII) - Astronomy Plus
William Optics 0.8x Flattener/Reducer (P-FLAT6AIII) - Astronomy Plus Save $59.00 Save $0.00
$309.00
$309.00 - $309.00
$309.00
$250.00
$250.00 - $250.00
$250.00

William Optics 0.8x Flattener/Reducer Open Box (P-FLAT6AIII-O)

William Optics 0.8x Flattener/Reducer Flat6AIII Open Box NEW, but no Box This William Optics 0.8x Flattener/Reducer has been designed to optimize...

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$309.00
$309.00 - $309.00
$309.00
$250.00
$250.00 - $250.00
$250.00
Save $59.00 Save $0.00
William Optics 0.8x Reducer/Flattener 7A (P-FLAT7A) - Astronomy Plus
William Optics 0.8x Reducer/Flattener 7A (P-FLAT7A) - Astronomy Plus
$933.00 - $933.00
$933.00
$933.00 - $933.00
$933.00

William Optics 0.8x Reducer/Flattener 7A (P-FLAT7A)

William Optics 0.8x Reducer/Flattener 7A This William Optics Adjustable 0.8x Reducer/Flattener is a great tool for those looking to increase their ...

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$933.00 - $933.00
$933.00
$933.00 - $933.00
$933.00
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
$149.00 - $149.00
$149.00
$149.00 - $149.00
$149.00

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

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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$149.00 - $149.00
$149.00
$149.00 - $149.00
$149.00
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 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 2" Durabright Diagonal (D-DIG2D-C-DB) - Astronomy Plus
William Optics 2" Durabright Diagonal (D-DIG2D-C-DB) - Astronomy Plus
$213.00 - $213.00
$213.00
$213.00 - $213.00
$213.00

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

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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$213.00 - $213.00
$213.00
$213.00 - $213.00
$213.00
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
$232.00 - $232.00
$232.00
$232.00 - $232.00
$232.00

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

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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$232.00 - $232.00
$232.00
$232.00 - $232.00
$232.00
William Optics 2" to 1.25" RotoLock Eyepiece Adapter - Gold (F-ROTO-A2-125GDII) - Astronomy Plus
William Optics 2" to 1.25" RotoLock Eyepiece Adapter - Gold (F-ROTO-A2-125GDII) - Astronomy Plus
$72.00 - $72.00
$72.00
$72.00 - $72.00
$72.00

William Optics 2" to 1.25" RotoLock Eyepiece Adapter - Gold (F-ROTO-A2-125GDII)

William Optics 2" to 1.25" RotoLock Eyepiece Adapter - Gold  The new RotoLock series of adapters from William Optics may well set the "gold' standa...

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$72.00 - $72.00
$72.00
$72.00 - $72.00
$72.00
William Optics 48mm T mount for Canon EOS (TM-CN-EOS-M48) - Astronomy Plus
William Optics 48mm T mount for Canon EOS (TM-CN-EOS-M48) - Astronomy Plus
$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00

William Optics 48mm T mount for Canon EOS (TM-CN-EOS-M48)

William Optics 48mm T mount for Canon EOS   In the Box William Optics 48mm T mount for Canon EOS Warranty & Manuals William Optics 2-Yea...

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$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00
William Optics 48mm T mount for Canon Mirrorless R Camera (TM-CN-EOSR-M48) - Astronomy Plus
William Optics 48mm T mount for Canon Mirrorless R Camera (TM-CN-EOSR-M48) - Astronomy Plus
$76.00 - $76.00
$76.00
$76.00 - $76.00
$76.00

William Optics 48mm T mount for Canon Mirrorless R Camera (TM-CN-EOSR-M48)

William Optics 48mm T mount for Canon Mirrorless R Camera   In the Box William Optics 48mm T mount for Canon Mirrorless R Camera Warran...

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$76.00 - $76.00
$76.00
$76.00 - $76.00
$76.00
William Optics 48mm T mount for Fuji FX (TM-FJ-X-M48) - Astronomy Plus
William Optics 48mm T mount for Fuji FX (TM-FJ-X-M48) - Astronomy Plus
$61.00 - $61.00
$61.00
$61.00 - $61.00
$61.00

William Optics 48mm T mount for Fuji FX (TM-FJ-X-M48)

William Optics 48mm T mount for Fuji FX This high precision T-Mount has 48mm threads with outer hard black color anodizing and its made from High q...

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$61.00 - $61.00
$61.00
$61.00 - $61.00
$61.00
William Optics 48mm T mount for Nikon F (TM-NK-F-M48) - Astronomy Plus
William Optics 48mm T mount for Nikon F (TM-NK-F-M48) - Astronomy Plus
$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00

William Optics 48mm T mount for Nikon F (TM-NK-F-M48)

William Optics 48mm T mount for Nikon F This high precision T-Mount has 48mm threads with outer hard black color anodizing and its made from High q...

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$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00
William Optics 48mm T mount for Nikon Z Mirrorless Camera (TM-NK-Z-M48) - Astronomy Plus
William Optics 48mm T mount for Nikon Z Mirrorless Camera (TM-NK-Z-M48) - Astronomy Plus
$76.00 - $76.00
$76.00
$76.00 - $76.00
$76.00

William Optics 48mm T mount for Nikon Z Mirrorless Camera (TM-NK-Z-M48)

William Optics 48mm T mount for Nikon Z Mirrorless Camera This high precision T-Mount has 48mm threads with outer hard black color anodizing and it...

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$76.00 - $76.00
$76.00
$76.00 - $76.00
$76.00
William Optics 48mm T mount for Pentax K - Black (TM-PT-K-M48) - Astronomy Plus
William Optics 48mm T mount for Pentax K - Black (TM-PT-K-M48) - Astronomy Plus
$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00

William Optics 48mm T mount for Pentax K - Black (TM-PT-K-M48)

William Optics 48mm T mount for Pentax K - Black    In the Box William Optics 48mm T mount for Pentax K - Black Warranty & Manuals William O...

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$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00
William Optics 48mm T mount for Sony E - Black (TM-SN-E-M48) - Astronomy Plus
William Optics 48mm T mount for Sony E - Black (TM-SN-E-M48) - Astronomy Plus
$61.00 - $61.00
$61.00
$61.00 - $61.00
$61.00

William Optics 48mm T mount for Sony E - Black (TM-SN-E-M48)

William Optics 48mm T mount for Sony E - Black In the Box William Optics 48mm T mount for Sony E - Black Warranty & Manuals William Optic...

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$61.00 - $61.00
$61.00
$61.00 - $61.00
$61.00
William Optics 50 mm Finder Mounting Bracket & Rings (M-FB50-B) - Astronomy Plus
William Optics 50 mm Finder Mounting Bracket & Rings (M-FB50-B) - Astronomy Plus
$86.00 - $86.00
$86.00
$86.00 - $86.00
$86.00

William Optics 50 mm Finder Mounting Bracket & Rings (M-FB50-B)

William Optics 50 mm Finder Mounting Bracket & Rings This excellent new quick-release 50mm finderscope bracket is easy to use, very convenient ...

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$86.00 - $86.00
$86.00
$86.00 - $86.00
$86.00
William Optics 50mm Guide Scope - Astronomy Plus
William Optics 50mm Guide Scope - Astronomy Plus
$200.00 - $200.00
$200.00
$200.00
$200.00 - $200.00
$200.00

William Optics 50mm Guide Scope

William Optics 50mm Guide Scope The RotoLock fully multicoated William Optics 50mm Guide Scope f/4 fits perfectly on your William Optics and other ...

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$200.00 - $200.00
$200.00
$200.00
$200.00 - $200.00
$200.00
Save $20.00 Save $0.00
$200.00
$200.00 - $200.00
$200.00
$180.00
$180.00 - $180.00
$180.00

William Optics 50mm Guide Scope in Red (M-GR50RIII)

William Optics 50mm Guide Scope The RotoLock fully multicoated William Optics 50mm Guide Scope f/4 fits perfectly on your William Optics and other ...

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$200.00
$200.00 - $200.00
$200.00
$180.00
$180.00 - $180.00
$180.00
Save $20.00 Save $0.00
William Optics 90° 1.25" Erect Prism (D-EP90-125II) - Astronomy Plus
William Optics 90° 1.25" Erect Prism (D-EP90-125II) - Astronomy Plus
$130.00 - $130.00
$130.00
$130.00 - $130.00
$130.00

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

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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$130.00 - $130.00
$130.00
$130.00 - $130.00
$130.00
William Optics Binoviewer Package (E-BINO-P) - Astronomy Plus
William Optics Binoviewer Package (E-BINO-P) - Astronomy Plus
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00

William Optics Binoviewer Package (E-BINO-P)

William Optics Binoviewer Package William Optics does it better and especially cheaper! Until today, you could choose only between high-end expensi...

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$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00
William Optics Black Mounting Base for RedCat (BAGM-RC001BL) - Astronomy Plus
$38.00 - $38.00
$38.00
$38.00 - $38.00
$38.00

William Optics Black Mounting Base for RedCat (BAGM-RC001BL)

William Optics Black Mounting Base for RedCat & SpaceCat Vixen Style mounting base for the RedCat and the SpaceCat telescopes. Technical Spec...

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$38.00 - $38.00
$38.00
$38.00 - $38.00
$38.00
William Optics Camera Angle Rotator for 2.5" M63 Focuser (M-CAA63) - Astronomy Plus
$147.00 - $147.00
$147.00
$147.00 - $147.00
$147.00

William Optics Camera Angle Rotator for 2.5" M63 Focuser (M-CAA63)

William Optics Camera Angle Rotator for 2.5" M63 Focuser All New William Optics Camera Angle Rotator for 2.5" M63 Focuser Fits : Z73, Z103, Z126...

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$147.00 - $147.00
$147.00
$147.00 - $147.00
$147.00
William Optics Camera Angle Rotator for 2” M54 Focuser (M-CAA54) - Astronomy Plus
William Optics Camera Angle Rotator for 2” M54 Focuser (M-CAA54) - Astronomy Plus
$140.00 - $140.00
$140.00
$140.00 - $140.00
$140.00

William Optics Camera Angle Rotator for 2” M54 Focuser (M-CAA54)

Camera Angle Rotator for 2” M54 Focuser All New Camera Angle Rotator for 2” M54 Focuser Fits : Z61 and all other brand Focuser with M54 threads. In...

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$140.00 - $140.00
$140.00
$140.00 - $140.00
$140.00
William Optics Cat Series Saddle Handle Bar (HCRC) - Astronomy Plus
William Optics Cat Series Saddle Handle Bar (HCRC) - Astronomy Plus
$72.00 - $72.00
$72.00
$72.00 - $72.00
$72.00

William Optics Cat Series Saddle Handle Bar (HCRC)

William Optics Cat Series Saddle Handle Bar The William Optics Cat Series Saddle Handle Bar is a Vixen type saddle handle-bar for our uniguide or o...

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$72.00 - $72.00
$72.00
$72.00 - $72.00
$72.00
William Optics D Series Dovetail Plate - Astronomy Plus
William Optics D Series Dovetail Plate - Astronomy Plus
$157.00 - $157.00
$157.00
$157.00 - $157.00
$157.00

William Optics D Series 400mm Dovetail Plate

William Optics D Series Dovetail Plate   Technical Specifications Length 400mmWeight 1.43kg Type : Losmandy In the Box William Optics D Se...

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$157.00 - $157.00
$157.00
$157.00 - $157.00
$157.00
William Optics Extension Bar For iOptron Skyguider Pro (M-IO-EB20RD) - Astronomy Plus
William Optics Extension Bar For iOptron Skyguider Pro (M-IO-EB20RD) - Astronomy Plus
$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00

William Optics Extension Bar For iOptron Skyguider Pro (M-IO-EB20RD)

William Optics Extension Bar For iOptron Skyguider Pro Length: 11.9cm Weight: 105g Technical Specifications Length 40cmWeight 1.43kg In the Box W...

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$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00
William Optics Flat61 for Z61 (P-FLAT61A) - Astronomy Plus
William Optics Flat61 for Z61 (P-FLAT61A) - Astronomy Plus
$309.00 - $309.00
$309.00
$309.00 - $309.00
$309.00

William Optics Flat61 for ZenithStar 61 (P-FLAT61A)

William Optics Flat61 for ZenithStar 61 This flattener is for ZenithStar 61.            Technical Specifications Telescope Side Connection M54x...

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$309.00 - $309.00
$309.00
$309.00 - $309.00
$309.00
William Optics Flat73A for Z73 (P-FLAT73A) - Astronomy Plus
William Optics Flat73A for Z73 (P-FLAT73A) - Astronomy Plus
$309.00 - $309.00
$309.00
$309.00 - $309.00
$309.00

William Optics Flat73A for Z73 (P-FLAT73A)

William Optics Flat73A for Z73            Technical Specifications Telescope Side Connection M63x1 Thread- Male Camera Side Connection ...

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$309.00 - $309.00
$309.00
$309.00 - $309.00
$309.00
William Optics Flattener FLAT68III (P-FLAT68III) - Astronomy Plus
William Optics Flattener FLAT68III (P-FLAT68III) - Astronomy Plus
Save $106.00 Save $0.00
$886.00
$886.00 - $886.00
$886.00
$780.00
$780.00 - $780.00
$780.00

William Optics Flattener FLAT68III (P-FLAT68III)

William Optics Flattener FLAT68III The William Optics Flattener 68III was made for 6 -7.5 F ratio refractors. This high-quality flattener has been ...

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$886.00
$886.00 - $886.00
$886.00
$780.00
$780.00 - $780.00
$780.00
Save $106.00 Save $0.00
William Optics Fluorostar 120 f/6.5 Triplet Refractor (A-F120) - Astronomy Plus
William Optics Fluorostar 120 f/6.5 Triplet Refractor (A-F120) - Astronomy Plus
Save up to $591.00 Save $0.00
$5,043.00
$4,452.00 - $5,043.00
$5,043.00
$4,452.00 - $4,652.00
$4,452.00 - $4,652.00
$4,452.00

William Optics Fluorostar 120 f/6.5 Triplet Refractor (A-F120)

William Optics Fluorostar 120 Technical Specifications Aperture: 120 mm Focal Length: 780 mm Focal Ratio: f/6.5 Focuser: 3.3" Rac...

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$5,043.00
$4,452.00 - $5,043.00
$5,043.00
$4,452.00 - $4,652.00
$4,452.00 - $4,652.00
$4,452.00
Save up to $591.00 Save $0.00
William Optics Fluorostar 132 with 3.5" Feather Touch Focuser - Astronomy Plus
William Optics Fluorostar 132 with 3.5" Feather Touch Focuser - Astronomy Plus
$7,247.00 - $7,247.00
$7,247.00
$7,247.00 - $7,247.00
$7,247.00

William Optics Fluorostar 132 with 3.5" Feather Touch Focuser

William Optics Fluorostar 132 Triplet APO f/7 with 3.5" Feather Touch Focuser Simply put: a joy to use. You will be blown away by the small detail...

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$7,247.00 - $7,247.00
$7,247.00
$7,247.00 - $7,247.00
$7,247.00
William Optics Fluorostar 132 with 3.7" Rack and Pinion Focuser - Astronomy Plus
William Optics Fluorostar 132 with 3.7" Rack and Pinion Focuser - Astronomy Plus
$5,910.00 - $5,910.00
$5,910.00
$5,910.00 - $5,910.00
$5,910.00

William Optics Fluorostar 132 with 3.7" Rack and Pinion Focuser

William Optics Fluorostar 132 Triplet APO f/7 with 3.7" Rack and Pinion Focuser Simply put: a joy to use. You will be blown away by the small deta...

View full details
$5,910.00 - $5,910.00
$5,910.00
$5,910.00 - $5,910.00
$5,910.00
William Optics Fluorostar 156 with 3.5" Feather Touch Focuser - Astronomy Plus
William Optics Fluorostar 156 with 3.5" Feather Touch Focuser - Astronomy Plus
$10,662.00 - $10,662.00
$10,662.00
$10,662.00 - $10,662.00
$10,662.00

William Optics Fluorostar 156 with 3.5" Feather Touch Focuser

William Optics Fluorostar 156 with 3.5" Feather Touch Focuser   Technical Specifications Focal Length: 1217mm Diameter: 156mm A...

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$10,662.00 - $10,662.00
$10,662.00
$10,662.00 - $10,662.00
$10,662.00
William Optics Fluorostar 156 with 3.7" Rack & Pinion Focuser - Astronomy Plus
William Optics Fluorostar 156 with 3.7" Rack & Pinion Focuser - Astronomy Plus
$9,987.00 - $9,987.00
$9,987.00
$9,987.00 - $9,987.00
$9,987.00

William Optics Fluorostar 156 with 3.7" Rack & Pinion Focuser

William Optics Fluorostar 156 Technical Specifications Focal Length: 1217mm Diameter: 156mm Aperture: F/7.8 Focuser: 3.7” Ra...

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$9,987.00 - $9,987.00
$9,987.00
$9,987.00 - $9,987.00
$9,987.00
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