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Parallax Instruments Parallax Instruments Standard Tube Rings (Set of 2) (SPECIFY SIZE)
We offer over 30 different sizes of telescope tube mounting rings ranging from 3" to 24" diameter including many metric sizes. Custom sizes are available.
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Parallax Instruments Standard Tube Rings (Set of 2) (SPECIFY SIZE)
$105.00
Howie Glatter Howie Glatter 2 Inch Collimator 650nm
The laser collimator is a tool which enables precise adjustment of the position and alignment of telescope optics, so as to obtain the best possible image contrast and resolution.
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Howie Glatter 2 Inch Collimator 650nm
$280.00
Nylon Thumbscrews Screws 10-24 x 1" (Common for Finderscope Brckets) (set of 3)
Nylon Thumbscrews Screws 10-24 x 1" (Common for Finderscope Brckets) (set of 3)
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Nylon Thumbscrews Screws 10-24 x 1" (Common for Finderscope Brckets) (set of 3)
$5.00
ADM ADM Slow Motion Control Knobs (SPECIFY COLOR)
ADM Slow Motion Control Knobs
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ADM Slow Motion Control Knobs (SPECIFY COLOR)
$34.00
Takahashi Takahashi FC-76DS - 76mm f/7.5 Doublet Fluorite APO Refractor
The FC-76DS model features a retractable dew shield and 95 mm diameter barrel. The FC-76DC and DS are optically identical.
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Takahashi FC-76DS - 76mm f/7.5 Doublet Fluorite APO Refractor
$2,010.00
Sky-Watcher Sky-Watcher Flextube 250P Synscan GoTo Collapsible Dobsonian 10" (254 mm)
Sky-Watcher’s Flextube SynScan GoTo Collapsible Dobsonian series are the telescopes your mother warned you about.
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Sky-Watcher Flextube 250P Synscan GoTo Collapsible Dobsonian 10" (254 mm)
$1,895.00
Celestron Celestron CPC 925 GPS (XLT)
A rock-solid dual fork arm mount and large aperture at an affordable price: that's what makes the CPC telescope a favorite among experienced amateur astronomers.
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Celestron CPC 925 GPS (XLT)
$3,499.00
Celestron Celestron PowerSeeker 80EQ Telescope
A great way to open up the wonders of the Universe to the aspiring astronomer!
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Celestron PowerSeeker 80EQ Telescope
$209.95
Takahashi Takahashi SE Series Wood Tripod for EM-11/EM-200 Mount
The Takahashi SE series tripods are designed specially for the serious astrophotographer and are compatible with the Takahashi EM-11 and EM-200 mounts.
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Takahashi SE Series Wood Tripod for EM-11/EM-200 Mount
$640.00
Losmandy Losmandy AZ8 Dual Saddle Alt-Azimuth Mount (Choose Configuration) - AZ8
All machined aluminum and stainless steel, black anodized
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Losmandy AZ8 Dual Saddle Alt-Azimuth Mount (Choose Configuration) - AZ8
$1,095.00
Losmandy Losmandy Gemini 2 Retro-Fit Kit for GM-8, G-11, HGM200 & G9 Equatorial Mounts
Gemini 2 GOTO Servo System. DC servo motor based GOTO computerized positioning system.
Retro-Fit Kit for: GM 8, G-11, HGM200 & G9 non GoTo equatorial mounts.
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Losmandy Gemini 2 Retro-Fit Kit for GM-8, G-11, HGM200 & G9 Equatorial Mounts
$1,795.00
Takahashi Takahashi 30mm LE 1.25" Eyepiece
The Takahashi LE long eye relief eyepieces are a high quality line of eyepieces featuring Takahashi's proprietary LE deisgn and a 52 degree apparent field of view.
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Takahashi 30mm LE 1.25" Eyepiece
$307.00
Takahashi Takahashi Abbe Orthoscopic 12.5mm Eyepiece
The Takahashi Abbe eyepieces are true to the original Abbe design.
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Takahashi Abbe Orthoscopic 12.5mm Eyepiece
$185.00
Tele Vue Tele Vue Dioptrx (Specify Strength)
The Tele Vue Dioptrx astigmatism correcting lens assembly compensates for astigmatism.
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Tele Vue Dioptrx (Specify Strength)
$122.00
Celestron Celestron UpClose G2 10x25 Roof Monocular
Perfect For: Bird Watching, Sporting Events, Nature & Wildlife, Hunting, Travel & ventures, Concerts & live events, Boating
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Celestron UpClose G2 10x25 Roof Monocular
$21.95
Celestron Celestron Nature DX Series 8x42
With phase-coated BaK-4 prisms and fully multi-coated optics, Nature DX reveals image detail you won’t find with other entry-level binoculars.
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Celestron Nature DX Series 8x42
$179.95
Rigel Rigel Pulseguide Illuminator
2 knobs let you independently tailor on and off blink times from continuous on to long-on/short-off or short-on/long-off or anything in between.
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Rigel Pulseguide Illuminator
$46.95
ZWO ZWO NEW 7-Position EFW Color Filter Wheel for 36mm Filters - EFW-7X36-II
Our latest EFW (Electronic Filter Wheel), larger than the previous but still low on weight. Only 400 grams (14 oz)!
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ZWO NEW 7-Position EFW Color Filter Wheel for 36mm Filters - EFW-7X36-II
$299.00
Olivon Universal Smartphone Camera Adapter
With the Olivon Universal Smartphone Adapter, you can shoot photos through your spotting scope, binocular and even a gun/rifle scope.
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Olivon Universal Smartphone Camera Adapter
$39.95
Celestron Celestron T-Adapter, NexStar 4, C90 Mak and C130 Mak
This sturdy aluminum T-Adapter is the accessory of choice if you’d like to attach an SLR or DSLR camera to the smaller rear cell threads of a Celestron NexStar 4SE telescope or C90 spotting scope for prime focus photography.
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Celestron T-Adapter, NexStar 4, C90 Mak and C130 Mak
$34.95
Feathertouch Feathertouch FTF3035B-A--3.0" Diameter Dual Speed Focuser, 3.5" Draw tube travel, and Brake
Feather Touch® 3.0" Diameter - Dual Speed Telescope Focuser, 3.5" Draw tube travel, and Brake.
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Feathertouch FTF3035B-A--3.0" Diameter Dual Speed Focuser, 3.5" Draw tube travel, and Brake
$660.00
Antares Optical Antares 2" Low-Profile Dual-Speed Hybrid Reflector Focuser (Rack and PInion with Linear Bearings) - FGLP
Upgrade the focusing precision of an 8 or 10 reflector telescope with our new Antares Low-Profile Dual-Speed Hybrid Reflector Focuser.
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Antares 2" Low-Profile Dual-Speed Hybrid Reflector Focuser (Rack and PInion with Linear Bearings) - FGLP
$229.99
Tele Vue Tele vue Quick Release Bracket Dovetail System
This quick-release style universal finderscope mount fits all Televue OTA clamshell rings
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Tele vue Quick Release Bracket Dovetail System
$147.00
Astrozap Astrozap AZ-1516 Glass Solar Filter - FA - 143mm-149mm (ETX125)
Full Aperture Glass Solar Filter 143mm-149mm 5-5/8 to 5-7/8 diameter
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Astrozap AZ-1516 Glass Solar Filter - FA - 143mm-149mm (ETX125)
$136.95