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Telescope Accessories & Parts

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  • William Optics Soft Carry Case with No Foam for GTF81 and GT81 Refractors
    William Optics William Optics Soft Carry Case for GTF81 and GT81 - No Foam - BG1-P002
    $58.00
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  • William Optics Soft Carry Case for FLT98, FLT110, GT102, & GTF102 - No Foam
    William Optics William Optics Soft Carry Case for FLT98, FLT110, GT102, GTF102 - No Foam - BG1-P001
    $168.00
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  • William Optics 1.25
    William Optics William Optics 1.25" Dielectric Diagonal W/ Carbon Fiber Plates - D-125D-C-DB
    $95.00
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  • William Optics 45º Erect Prism - 1.25
    William Optics William Optics 1.25" 45° Erect Prism - D-EP125
    $80.00
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  • William Optics 2x Barlow Nosepiece for Binoviewers - 1.25
    William Optics William Optics 1.25" 2x Barlow Nosepiece for Binoviewers - E-BINO-B2
    $38.00
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  • William Optics Binoviewer Package with Eyepieces & Barlow
    William Optics William Optics Binoviewer W/Eyepieces & Barlow Nosepiece - E-BINO-P
    $268.00
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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 2.25
    William Optics William Optics Extender for FLT 110 & 132 Telescopes - P-EXFLT
    $58.00
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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 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 2
    William Optics William Optics 2" Dura Bright Dielectric Mirror Diagonal with Thermometer - D-DIG2D-C-DB
    $139.00
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  • William Optics Black Vixen Style Dovetail Plate - 7.9
    William Optics William Optics Vixen-Style 7.9" Dovetail Plate - Black - M-PVB
    $39.00
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  • William Optics 3.5
    William Optics William Optics 3.5" to 2" RotoLock Visual Back - F-ROTO-A3.5-2
    $168.00
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  • William Optics Soft Carry Case for FLT132 - No Foam
    William Optics William Optics FLT132 Soft Carry Case - No Foam - BG1-P005
    $189.00
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  • William Optics Padded Soft Carry Case for FLT132 - Foam Not Included
    William Optics William Optics FLT132 Soft Carry Case with Pre-Cut Foam - BG1-P005-A01BL01
    $298.00 $268.20
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  • William Optics 2
    William Optics William Optics 2" Durabright RotoLock Diagonal - D-DIG2D-ROTO-A2
    $198.00
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  • William Optics 2
    William Optics William Optics 1.25" to 2" RotoLock Adapter - F-ROTO-A2-125
    $45.00
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  • William Optics RotoLock Eyepiece Adapter & Visual Back for 2 WO Diagonals
    William Optics William Optics RotoLock Upgrade for WO 2" Diagonals - D-ROTO-A2
    $89.00
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  • William Optics 2
    William Optics William Optics 2" RotoLock Eyepiece Adapter / Visual Back with 48mm Male Threads - D-ROTO-A2-M48M
    $99.00 $89.95
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  • William Optics 2
    William Optics William Optics 2" RotoLock Eyepiece Adapter / Visual Back with SCT 2" Threads - D-ROTO-A2-SCT2F
    $99.00
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  • William Optics 2
    William Optics William Optics RotoLock Eyepiece Adapter / Visual Back with SCT 3.28" Threads - D-ROTO-A2-SCT328F
    $99.00
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  • William Optics Canon EOS T-Mount for Star 71 Refractors
    William Optics William Optics Canon T-Mount for Star 71 Refractors - YE-TR-WO71
    $20.00
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  • William Optics Caon EOS Camera Adapter
    William Optics William Optics Canon EOS Camera Adapter - AD4-A009-L00BL03
    $58.00
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  • William Optics Flat4 Draw Tube Adapter for FLT Telescopes
    William Optics William Optics Flat4 Draw Tube Adapter for FLT Telescopes - AD4-A006-L00GD03
    $58.00
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  • William Optics SCT Adapter for Standard 2
    William Optics William Optics SCT Adapter for Standard 2" Diagonal - Gold - D-SCT-TA
    $39.00
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  • William Optics 2017 Vixen-Style Dovetail Plate - Standard Gray
    William Optics William Optics 7.9" Vixen-Style Gray Dovetail Plate - M-PVHAII
    $48.00
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  • William Optics Vixen-Style Finder Mounting Bracket for 50 mm Finderscopes
    William Optics William Optics Vixen-Style Finder Scope Mounting Bracket - M-FB50-B
    $58.00
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  • William Optics SCT RotoLock Adapter & Visual Back - 1.25
    William Optics William Optics 1.25" SCT RotoLock Adapter & Visual Back - F-ROTO-A2-125-SCT-TA
    $79.00
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  • William Optics Blue 2
    William Optics William Optics 2" to 1.25" RotoLock Adapter - Blue - F-ROTO-A2-125BU
    $45.00
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  • William Optics 2
    William Optics William Optics 2" to 1.25" RotoLock Adapter - Red - F-ROTO-A2-125RD
    $45.00
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  • William Optics 3.5
    William Optics William Optics 3.5" to 2" RotoLock Visual Back - Blue - F-ROTO-A3.5-2BU
    $168.00
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  • William Optics 3.5
    William Optics William Optics 3.5" to 2" RotoLock Visual Back - Red - F-ROTO-A3.5-2RD
    $168.00
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  • William Optics Nikon 42 mm T-Mount Ring Adapter
    William Optics William Optics M42 Nikon T-Ring - YE-TR-CE-N
    $10.00
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  • William Optics Blue Flat4 Draw Tube Adapter for 3
    William Optics William Optics Flat4 Draw Tube Adapter for 3" V-Power Focuser Only - Blue Version - AD4-A006-L00BU03
    $58.00
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  • William Optics Black Flat4 Draw Tube Adapter for 3
    William Optics William Optics Flat4 Draw Tube Adapter for 3" V-Power Focuser Only - Black Version - AD4-A006-L00BL03
    $58.00
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  • William Optics 400mm Losmandy-Style Dovetail Plate - Red
    William Optics William Optics 15.7" Losmandy-Style Dovetail Plate - Red - M-PSRD
    $100.00
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  • William Optics 15.7
    William Optics William Optics 15.7" Losmandy-Style Dovetail Plate - Gold - M-PSGD
    $100.00
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Telescope Accessories at High Point Scientific


We carry an enormous selection of telescope accessories at High Point Scientific! Whether you need an optical telescope accessory, like an eyepiece, Barlow lens, diagonal, filter, or reducer; or an accessory to keep dew off of your telescope, such as a dew shield or heated strap and controller, we've got you covered with our large selection of telescope parts for sale. You'll also find dovetail plates, saddle plates and other mounting hardware, focusers, finder scopes, telescope cases, batteries and power supplies, as well as hundreds of telescope and camera adapters that will suit your needs.

Speaking of cameras, it's amazing how many dedicated astronomy cameras, both CCD and CMOS, are available today. High Point carries hundreds of imaging cameras, including one-shot color cameras, cooled cameras, and monochrome cameras that can accept a color filter wheel and filters for tri-color imaging. We even have a nice selection of top-of-the-line large format CCD imaging cameras for results that rival those found in space magazines. Want to start out with equipment you already have? Your iPhone or Android smartphone can be used to take pictures through your telescope with the addition of a smartphone adapter.

In other words, astronomy isn't just for professionals or scientists. You can dive in with a small telescope and then accessorize it to suit your own requirements with our telescope parts for sale. Whether you use a telescope to look at the Moon every once in awhile (a Moon Filter would help with that!) or you're out every night taking spectacular pictures of distant galaxies, there is something for everyone in astronomy. Start off by choosing the accessories you need to enjoy your telescope, and then grow from there. High Point is here to help you buy telescope accessories to suit your needs. We can help you choose the best accessories for your telescope and make sure they will enhance your current visual and imaging set-up.

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