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Items 61 to 80 of 651 total

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  1. Orion - 100mm Tube Rings

    Orion - 100mm Tube Rings

    This cast-aluminum 100mm ID Orion Telescope Tube Ring set features quick-release, hinged clamp knobs and felt lining. Designed for use with Orion telescope mounts, they fit some other brands of mounts as well.

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    Model#: 07371
    Sale lasts until Feb 12, 2015!

    Regular Price: $39.99

    Special Price: $33.49

  2. Orion - 90mm Tube Rings

    Orion - 90mm Tube Rings

    This cast-aluminum 90mm ID Orion Telescope Tube Ring set features quick-release, hinged clamp knobs and felt lining. Designed for use with Orion telescope mounts, they fit some other brands of mounts as well.

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    Model#: 07370
    Sale lasts until Feb 12, 2015!

    Regular Price: $39.99

    Special Price: $33.49

  3. Orion - 76mm Tube Rings

    Orion - 76mm Tube Rings

    Set of two cast-aluminum telescope tube rings with quick-release, hinged clamp knobs and felt lining

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    Model#: 07369
    Sale lasts until Feb 12, 2015!

    Regular Price: $29.99

    Special Price: $25.49

  4. Orion - 235mm Tube Rings

    Orion - 235mm Tube Rings

    This cast-aluminum 235mm ID Orion Telescope Tube Ring set features quick-release, hinged clamp knobs and felt lining. Designed for use with Orion telescope mounts, they fit some other brands of mounts as well.

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    Model#: 07376
    Sale lasts until Feb 12, 2015!

    Regular Price: $59.99

    Special Price: $50.49

  5. Orion - 298mm Tube Rings

    Orion - 298mm Tube Rings

    Orion’s cast-aluminum tube ring set features quick-release, hinged clamp knobs and felt lining. Designed for use with Orion telescope mounts, they fit some other brands of mounts as well.

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    Model#: 07377
    Sale lasts until Feb 12, 2015!

    Regular Price: $89.99

    Special Price: $75.49

  6. Meade - ETX-90 Astro Maksutov-Cassegrain Telescope with Autostar

    Meade - ETX-90 Astro Maksutov-Cassegrain Telescope with Autostar

    The ETX-90 Maksutov-Cassegrain offers terrific optical quality that is the envy of the telescope industry, the easy to use Meade AutoStar computer handbox with over 30,000 object library, and a solid mount and tripod.

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    FREE SHIPPING
    (48 States)
    Model#: 3514-04-15
    $399.00

  7. Explore Scientific ED152 Air Spaced Triplet Refractor Carbon Fiber Telescope

    Explore Scientific - ED152mm Air Spaced Triplet Refractor Carbon Fiber Telescope *

    The Explore Scientific 152mm f/8 Air-Spaced Triplet ED APO Refractor produces a visual experience that is often

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    FREE SHIPPING
    (48 States)
    Model#: TED15208-CF
    Super Deal! Explore Scientific 20% OFF

    Regular Price: $5,999.99

    Special Price: $4,799.49

  8. Explore Scientific - TwiLight I Adjustable Head Mount with Tripod *

    Explore Scientific - TwiLight I Adjustable Head Mount with Tripod *

    This portable Altaz mount from Explore Scientific is compatible with many types of optical tubes with a maximum 15 pounds payload.

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    FREE SHIPPING
    (48 States)
    Model#: MAZ01-00
    Super Deal! Explore Scientific 20% OFF

    Regular Price: $299.99

    Special Price: $239.49

  9. Explore Scientific 2x Explore Scientific Focal Extender 2" Barrel 4 Elements

    Explore Scientific - 2x Explore Scientific Focal Extender 2" Barrel - 4 Elements*

    Provides excellent control of chromatic and spherical aberration, and a flatter field-of-view compared to standard barlows.

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    Model#: FE02-020
    $174.99

  10. Explore Scientific - 2x Focal Extender 1.25" Barrel - 4 Elements*

    Explore Scientific - 2x Focal Extender 1.25" Barrel - 4 Elements*

    Provides excellent control of chromatic and spherical aberration, and a flatter field-of-view compared to standard barlows.

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    Model#: FE02-125
    Super Deal! Explore Scientific 20% OFF

    Regular Price: $99.99

    Special Price: $79.99

  11. SBIG - STX-16803 CCD Camera with FW7-STX Package

    SBIG - STX-16803 CCD Camera with FW7-STX Package

    It is well known that the advantage of easier guiding through a separate guide scopes is often limited by differential deflection of the guide scope

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    FREE SHIPPING
    (48 States)
    Model#: 80-12447-00

    Regular Price: $12,875.00

    Special Price: $11,590.00

  12. Explore Scientific - 3x Focal Extender 1.25" Barrel - 4 Elements

    Explore Scientific - 3x Focal Extender 1.25" Barrel - 4 Elements

    The 1.25” 3x Explore Scientific premium focal extender (Barlow lens) uses an advanced four-element optical design to deliver a flatter field-of-view with sharper field edges than even the best three-element apochromatic Barlows.

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    Model#: FE03-125
    $99.99

  13. Explore Scientific - 5x Focal Extender 1.25" Barrel - 4 Elements*

    Explore Scientific - 5x Focal Extender 1.25" Barrel - 4 Elements*

    Provides excellent control of chromatic and spherical aberration, and a flatter field-of-view compared to standard barlows.

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    Model#: FE05-125
    Super Deal! Explore Scientific 20% OFF

    Regular Price: $115.99

    Special Price: $92.80

  14. Orion - 5-Position Filter Wheel - 1.25"

    Orion - 5-Position Filter Wheel - 1.25"

    The Orion 5-Position 1.25" Filter Wheel enables you to have a variety of filters in a compact wheel making it easier to switch amongst them

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    Model#: 05522
    Sale lasts until Feb 12, 2015!

    Regular Price: $99.95

    Special Price: $94.49

  15. APM - 7x50 HD Binoculars

    APM - 7x50 HD Binoculars

    An exceptional binocular with excellent image quality both on the central axis and through the entire visible field

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    FREE SHIPPING
    (48 States)
    Model#: APM_7x50

    Regular Price: $330.00

    Special Price: $250.00

  16. Explore Scientific - 68° Argon-Purged Waterproof Eyepieces - sizes: 16mm, 20mm, 24mm, 28mm, 34mm, 40mm
  17. Vixen - DG DX Ring 37

    Vixen - DG DX Ring 37

    Vixen DG DX Ring 37.

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    Model#: 3933
    $46.95

  18. Vixen - DG DX Ring 28

    Vixen - DG DX Ring 28

    Vixen DG DX Ring 28.

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    Model#: 3932
    $46.95

  19. Celestron - NexStar 6SE Schmidt-Cassegrain Computerized Telescope w/o Tripod + FREE 10mm & Red Flashlight

    Celestron - NexStar 6SE Schmidt-Cassegrain Computerized Telescope w/o Tripod + FREE 10mm & Red Flashlight

    Portability and serious performance come together in the NexStar 6 SE. Celestron's first new Schmidt-Cassegrain optical system in over a decade is now available in a high performance Altazimuth computerized telescope

    Limited Time Offer *** FREE 10mm and Red Flashlight (Value $89.95)

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    FREE SHIPPING
    (48 States)
    Model#: 11068_woTripod
    $650.00

  20. Hotech 2" SCA Field Flattener

    Hotech - 2" SCA Field Flattener

    Hotech is pleased to announce the 2" SCA Field Flattener. A fully multi-coated 2 element lens with very efficient light transmission while maintaining the optical quality of your telescope. It is compatible with telescopes of f/5-f/8 ratios and provides excellent, sharp, and high resolution images even when the field is expanded.

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    Model#: SCA-FFT58
    Xmas and New Years special until Jan 4th!

    Regular Price: $245.00

    Special Price: $160.00

Items 61 to 80 of 651 total

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