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  • Explore Scientific 2.5" Extension Tube for the 2.5" Hex Focuser  - ESHEXEXT2
    Original price $ 39.99 - Original price $ 39.99
    Original price
    $ 39.99
    $ 39.99 - $ 39.99
    Current price $ 39.99

    Explore Scientific 1.5-Inch Extension Tube for the 2.5" Hex Focuser - ESHEXEXT2

    Explore Scientific

    Explore Scientific 1.5-Inch Extension Tube adds 1.5 inches to the 2.5-Inch Hex Focuser  - ESHEXEXT2   37 mm tall CA Residents: Prop 65 WARNING(S)

    Original price $ 39.99 - Original price $ 39.99
    Original price
    $ 39.99
    $ 39.99 - $ 39.99
    Current price $ 39.99
  • Explore Scientific T2 Reduction Adapter M48x0.75 to M42x0.75
    Original price $ 35.99 - Original price $ 35.99
    Original price
    $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99

    Explore Scientific T2 Reduction Adapter M48x0.75 to M42x0.75

    Explore Scientific

    Features Connection of accessories with different T2 thread sizes Adaptation of 2 inch color and nebula filters between camera and telescope Inte...

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    Original price $ 35.99 - Original price $ 35.99
    Original price
    $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99
  • Finder Scope Base with Mounting Screws
    Finder Scope Base with Mounting Screws
    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99

    Finder Scope Base with Mounting Screws

    Explore Scientific

    Description This Finder Scope Base is specifically designed to allow you to secure one of Explore Scientific’s high-quality finder scopes to the t...

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    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99
  • Finder Scope Illuminator
    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99

    Finder Scope Illuminator Only

    Explore Scientific

    Description Designed to fit Explore Scientific’s 50mm reticle finder scopes, this spare LED illuminator offers deep red illumination with variable...

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    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99
  • Full Aperture (SolarLite) Film Slip-On Solar Filter
    Save up to $ 37.01 Save $ 0.00
    Original price $ 67.00 - Original price $ 87.00
    Original price $ 67.00 - Original price $ 87.00
    Original price $ 67.00
    Current price $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99

    Full Aperture (SolarLite) Film Slip-On Solar Filter

    Thousand Oaks Optical

    Description View sunspots and granulation of the surface of the Sun, while protecting both your telescope optics and your eyes with Thousand Oaks ...

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    Original price $ 67.00 - Original price $ 87.00
    Original price $ 67.00 - Original price $ 87.00
    Original price $ 67.00
    Current price $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99
    Save up to $ 37.01 Save $ 0.00
  • HR Variable Coma Corrector (2-inch) - HRCC02-00
    HR Variable Coma Corrector (2-inch) - HRCC02-00
    Original price $ 379.99 - Original price $ 379.99
    Original price
    $ 379.99
    $ 379.99 - $ 379.99
    Current price $ 379.99

    HR Variable Coma Corrector (2-inch) - HRCC02-00

    Explore Scientific

    Description After hours at the eyepiece, you finally get to view the fruits of your astrophotography labors. The stars in the center of the field ...

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    Original price $ 379.99 - Original price $ 379.99
    Original price
    $ 379.99
    $ 379.99 - $ 379.99
    Current price $ 379.99
  • iEXOS-100 Azimuth Adjuster Adapter
    iEXOS-100 Azimuth Adjuster Adapter
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99

    iEXOS-100 Azimuth Adjuster Adapter

    Explore Scientific

    Description The Azimuth Adjuster Adapter is designed for use on the Twilight Medium Duty or Twilight Heavy Duty tripods.  This adapter also works ...

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    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99
  • iEXOS-100 Polar Finder and Adapter
    iEXOS-100 Polar Finder and Adapter
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99

    iEXOS-100 Polar Finder and Adapter

    Explore Scientific

    Features Polar finder scope allows imagers to achieve more precise alignment with the celestial pole Reticle includes markings for both northern ...

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    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99
  • Illuminated Polar Finder - EXOS2PF2
    Illuminated Polar Finder - EXOS2PF2
    Original price $ 79.99 - Original price $ 79.99
    Original price
    $ 79.99
    $ 79.99 - $ 79.99
    Current price $ 79.99

    Illuminated Polar Finder - EXOS2PF2

    Explore Scientific

    Description The EXOS2 Polar Finder Scope has Polar Assist markings to help you efficiently accomplish a proper polar alignment. This polar scope w...

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    Original price $ 79.99 - Original price $ 79.99
    Original price
    $ 79.99
    $ 79.99 - $ 79.99
    Current price $ 79.99
  • Illuminator II for Finder Scopes - FNDRILLUM-02
    Illuminator II for Finder Scopes - FNDRILLUM-02
    Original price $ 59.99 - Original price $ 59.99
    Original price
    $ 59.99
    $ 59.99 - $ 59.99
    Current price $ 59.99

    Illuminator II for Finder Scopes - FNDRILLUM-02

    Explore Scientific

    Description Ever been frustrated by the standard illuminator? Is the battery always dead when you turn it on? The Illuminator II now offers except...

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    Original price $ 59.99 - Original price $ 59.99
    Original price
    $ 59.99
    $ 59.99 - $ 59.99
    Current price $ 59.99
  • Losmandy 12-inch Tripod Extension - EX12
    Original price $ 250.00 - Original price $ 250.00
    Original price
    $ 250.00
    $ 250.00 - $ 250.00
    Current price $ 250.00

    Losmandy 12-inch Tripod Extension - EX12

    Losmandy

    Description Pier extensions allow longer instruments like refractors to rest higher on the mount to allow better position for visual observations,...

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    Original price $ 250.00 - Original price $ 250.00
    Original price
    $ 250.00
    $ 250.00 - $ 250.00
    Current price $ 250.00
  • Losmandy 21 Pound Counterweight - 21LB - ES-G-1121CW
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99

    Losmandy 21 Pound Counterweight - 21LB - ES-G-1121CW

    Losmandy

    Genuine Losmandy-brand 21 lb. Counterweight for Losmandy GM-8, G-9, G-11 and TITAN Mounts, finished in durable metal-gray hammertone finish. Includ...

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    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99
  • Losmandy Clutch Knob Upgrade
    Original price $ 125.00 - Original price $ 125.00
    Original price
    $ 125.00
    $ 125.00 - $ 125.00
    Current price $ 125.00

    Losmandy Clutch Knob Upgrade

    Losmandy

    Clutch knob set (2). R.A. and DEC. with (3) handles @ 30 degrees. For GM 8, G-9 and G-11 mounts. Makes clutch knobs easier to use, and gives greate...

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    Original price $ 125.00 - Original price $ 125.00
    Original price
    $ 125.00
    $ 125.00 - $ 125.00
    Current price $ 125.00
  • Losmandy D-Series Dovetail Plate for Celestron 8-inch SCT - DC8
    Original price $ 94.99 - Original price $ 94.99
    Original price
    $ 94.99
    $ 94.99 - $ 94.99
    Current price $ 94.99

    Losmandy D-Series Dovetail Plate for Celestron 8-inch SCT - DC8

    Losmandy

    Losmandy D-Series Dovetail Plate for Celestron 8-inch SCT Losmandy Dovetail Plates set the standard in strength and rigidity for mounting telescope...

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    Original price $ 94.99 - Original price $ 94.99
    Original price
    $ 94.99
    $ 94.99 - $ 94.99
    Current price $ 94.99
  • Losmandy D-Series Dovetail Plate for Celestron 9.25-inch - DC 9.25
    Original price $ 114.99 - Original price $ 114.99
    Original price
    $ 114.99
    $ 114.99 - $ 114.99
    Current price $ 114.99

    Losmandy D-Series Dovetail Plate for Celestron 9.25-inch - DC 9.25

    Losmandy

    Losmandy D-Series Dovetail Plate for Celestron 9.25-inch SCT Losmandy Dovetail Plates set the standard in strength and rigidity for mounting telesc...

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    Original price $ 114.99 - Original price $ 114.99
    Original price
    $ 114.99
    $ 114.99 - $ 114.99
    Current price $ 114.99
  • Losmandy G11 RA Extension Kit - RAEXK
    Original price $ 294.99 - Original price $ 294.99
    Original price
    $ 294.99
    $ 294.99 - $ 294.99
    Current price $ 294.99

    Losmandy G11 RA Extension Kit - RAEXK

    Losmandy

    Description Losmandy G11 RA Extension Kit The G11 RA Extension Kit makes the Losmandy G-11 Mount more versatile and much more portable. With this ...

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    Original price $ 294.99 - Original price $ 294.99
    Original price
    $ 294.99
    $ 294.99 - $ 294.99
    Current price $ 294.99
  • Losmandy Glow In the Dark Anti-Vibration Pads for G-11 - BP
    Original price $ 99.99 - Original price $ 99.99
    Original price
    $ 99.99
    $ 99.99 - $ 99.99
    Current price $ 99.99

    Losmandy Glow In the Dark Anti-Vibration Pads for G-11 - BP

    Losmandy

    Glow In the Dark Anti-Vibration Pads for Losmandy G-11 Folding HD Tripod adjustable tripod legs. 5" diameter for large surface contact. Dampens vib...

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    Original price $ 99.99 - Original price $ 99.99
    Original price
    $ 99.99
    $ 99.99 - $ 99.99
    Current price $ 99.99
  • Losmandy Polar Finder
    Losmandy Polar Finder
    Original price $ 300.00 - Original price $ 300.00
    Original price
    $ 300.00
    $ 300.00 - $ 300.00
    Current price $ 300.00

    Losmandy Polar Finder

    Losmandy

    Polar Scope Finder. For GM 8, G-9 and G-11 mounts and the StarLapse system. Works in Northern or Southern Hemispheres. Direct reading. No calculati...

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    Original price $ 300.00 - Original price $ 300.00
    Original price
    $ 300.00
    $ 300.00 - $ 300.00
    Current price $ 300.00
  • Losmandy-Style Saddle Plate
    Original price $ 84.99 - Original price $ 84.99
    Original price
    $ 84.99
    $ 84.99 - $ 84.99
    Current price $ 84.99

    Losmandy-Style Saddle Plate

    Explore Scientific

    Description A saddle plate is not the most exciting astronomical accessory in the world, but it is one of the most important when it comes to the ...

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    Original price $ 84.99 - Original price $ 84.99
    Original price
    $ 84.99
    $ 84.99 - $ 84.99
    Current price $ 84.99
  • M48x0.75 Adapter for 2.5 HEX
    M48x0.75 Adapter for 2.5 HEX
    Original price $ 59.99 - Original price $ 59.99
    Original price
    $ 59.99
    $ 59.99 - $ 59.99
    Current price $ 59.99

    M48x0.75 Adapter for 2.5 HEX Focuser

    Explore Scientific

    Specs Item Number: 625801 Warranty Limited Warranty is one year, which converts to the Explore STAR Transferable Extended Life of the Product Wa...

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    Original price $ 59.99 - Original price $ 59.99
    Original price
    $ 59.99
    $ 59.99 - $ 59.99
    Current price $ 59.99
  • AstroZap - Dew Shield Cap
    AstroZap - Dew Shield Cap
    Original price $ 299.99 - Original price $ 299.99
    Original price
    $ 299.99
    $ 299.99 - $ 299.99
    Current price $ 299.99

    Revolution Imager - RI-KitR2

    opticalinstruments.com

    Features Everything is Included! The Revolution Imager includes everything you need to get up-and-running and get the most out of your existing te...

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    Original price $ 299.99 - Original price $ 299.99
    Original price
    $ 299.99
    $ 299.99 - $ 299.99
    Current price $ 299.99
  • Rigel Systems - Aline - Telescope Alignment (Collimator) Eyepiece
    Original price $ 5.99 - Original price $ 5.99
    Original price
    $ 5.99
    $ 5.99 - $ 5.99
    Current price $ 5.99

    Rigel Systems - Aline - Telescope Alignment (Collimator) Eyepiece

    Rigel Systems

    Description Look into your telescope through an Aline and you see a bright white circle surrounding the image of your eye's pupil, making it easie...

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    Original price $ 5.99 - Original price $ 5.99
    Original price
    $ 5.99
    $ 5.99 - $ 5.99
    Current price $ 5.99
  • Rigel Systems Skylight Water Resistant Red/White Flashlight
    Original price $ 35.99 - Original price $ 35.99
    Original price
    $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99

    Rigel Systems Skylight Water Resistant Red/White Flashlight

    Rigel Systems

    Description Compact, rugged ABS plastic case fits in the palm of your hand – a mere 4.5 inches long, 1.3 inches high and 1 inch wide. DUAL Ultra-b...

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    Original price $ 35.99 - Original price $ 35.99
    Original price
    $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99
  • Saddle Plate for ED80mm / TED80mm - TED80CRDL
    Original price $ 79.99 - Original price $ 79.99
    Original price
    $ 79.99
    $ 79.99 - $ 79.99
    Current price $ 79.99

    Saddle Plate for ED80mm / TED80mm - TED80CRDL

    Explore Scientific

    Description This saddle plate is specifically designed for the ED80mm and TED80mm ES scopes. A saddle plate is not the most exciting astronomical ...

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    Original price $ 79.99 - Original price $ 79.99
    Original price
    $ 79.99
    $ 79.99 - $ 79.99
    Current price $ 79.99
  • Soft-Sided Eyepiece Case - EPWP KIT Case
    Soft-Sided Eyepiece Case - EPWP KIT Case
    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99

    Soft-Sided Eyepiece Case - EPWP KIT Case

    Explore Scientific

    Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case! To Activate Deal: Step 1 - Add this Soft-Sided Eyepiece Ca...

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    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99
  • Soft-Sided Telescope Case
    Soft-Sided Telescope Case
    Original price $ 199.99 - Original price $ 199.99
    Original price
    $ 199.99
    $ 199.99 - $ 199.99
    Current price $ 199.99

    Soft-Sided Telescope Case

    Explore Scientific

    Description Your telescope is much more than an observation aid. It is your personal pathway to the stars, and protecting it while it is in storag...

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    Original price $ 199.99 - Original price $ 199.99
    Original price
    $ 199.99
    $ 199.99 - $ 199.99
    Current price $ 199.99
  • T-Shaped Finder Scope Base for Essential Series with Mounting Screws
    T-Shaped Finder Scope Base for Essential Series with Mounting Screws
    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99

    T-Shaped Finder Scope Base for Essential Series with Mounting Screws

    Explore Scientific

    Description This T-Shaped Finder Scope Base is specifically designed to allow you to secure one of Explore Scientific’s high-quality finder scopes...

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    Original price $ 49.99 - Original price $ 49.99
    Original price
    $ 49.99
    $ 49.99 - $ 49.99
    Current price $ 49.99
  • T2 Ring - Nikon
    T2 Ring - Nikon
    Original price $ 35.99 - Original price $ 35.99
    Original price
    $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99

    T2 Ring - Nikon

    Bresser

    Description Connect your Bresser Microscope or Telescope with a Nikon SLR camera and take images or videos of your observed object! The Bresser T-...

    View full details
    Original price $ 35.99 - Original price $ 35.99
    Original price
    $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99
  • Telrad - Dew Shield - 2020
    Telrad - Dew Shield - 2020
    Original price $ 15.95 - Original price $ 15.95
    Original price
    $ 15.95
    $ 15.95 - $ 15.95
    Current price $ 15.95

    Telrad - Dew Shield - 2020

    Telrad

    When dew forms on the optics of your telescope and viewfinder, it makes it virtually useless for observing or astrophotography. Dew shields and oth...

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    Original price $ 15.95 - Original price $ 15.95
    Original price
    $ 15.95
    $ 15.95 - $ 15.95
    Current price $ 15.95
  • Telrad - Mounting Base Only - 2001
    Original price $ 8.95 - Original price $ 8.95
    Original price
    $ 8.95
    $ 8.95 - $ 8.95
    Current price $ 8.95

    Telrad - Mounting Base Only - 2001

    Telrad

    This is the genuine replacement Mounting Base for the Telrad Reflex Sight. There are holes to bolt on the base, or you can use the double-sided foa...

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    Original price $ 8.95 - Original price $ 8.95
    Original price
    $ 8.95
    $ 8.95 - $ 8.95
    Current price $ 8.95
  • Telrad - Riser Bases
    Telrad - Riser Bases
    Original price $ 20.99 - Original price $ 20.99
    Original price
    $ 20.99
    $ 20.99 - $ 20.99
    Current price $ 20.99

    Telrad - Riser Bases

    Telrad

    These Riser Bases will position the Telrad Reflex Sight to a higher position off the telescope tube assembly to clear obstructions on the tube asse...

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    Original price $ 20.99 - Original price $ 20.99
    Original price
    $ 20.99
    $ 20.99 - $ 20.99
    Current price $ 20.99
  • Tirion Double-Sided Multi-Latitude Planisphere
    Original price $ 19.99 - Original price $ 19.99
    Original price
    $ 19.99
    $ 19.99 - $ 19.99
    Current price $ 19.99

    Tirion Double-Sided Multi-Latitude Planisphere

    Explore Scientific

    Description With a universe of options to explore, it can be difficult to track what awe-inspiring treasures are currently visible in your sky. Th...

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    Original price $ 19.99 - Original price $ 19.99
    Original price
    $ 19.99
    $ 19.99 - $ 19.99
    Current price $ 19.99
  • Official Explore Alliance Member Backpack
    Official Explore Alliance Member Backpack
    Original price $ 57.21 - Original price $ 57.21
    Original price
    $ 57.21
    $ 57.21 - $ 57.21
    Current price $ 57.21

    Official Explore Alliance Member Backpack

    Printify

    Casual backpack in a classic shape with a flap front design. It is made of a durable oxford fabric. It has two slip interior pockets and one laptop...

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    Original price $ 57.21 - Original price $ 57.21
    Original price
    $ 57.21
    $ 57.21 - $ 57.21
    Current price $ 57.21
  • HR Variable Coma Corrector (2-inch) - HRCC02-01
    HR Variable Coma Corrector (2-inch) - HRCC02-01
    Original price $ 279.95 - Original price $ 279.95
    Original price
    $ 279.95
    $ 279.95 - $ 279.95
    Current price $ 279.95

    HR Variable Coma Corrector (2-inch) - HRCC02-01

    Explore Scientific

    Description   This model does not come with the adapters that allow for a direct screw-on connection to a camera. It can be used with a camera by ...

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    Original price $ 279.95 - Original price $ 279.95
    Original price
    $ 279.95
    $ 279.95 - $ 279.95
    Current price $ 279.95
  • Dual plug (DB9 FTDI chipset and USB 2.0 Mini B)
    Dual plug (DB9 FTDI chipset and USB 2.0 Mini B)
    Original price $ 34.99 - Original price $ 34.99
    Original price
    $ 34.99
    $ 34.99 - $ 34.99
    Current price $ 34.99

    Dual plug (DB9 FTDI chipset and USB 2.0 Mini B)

    Explore Scientific

    Description Dual plug (DB9 FTDI chipset and USB 2.0 Mini B) works with PMC-Eight OPENGoTo systems, allowing ASCOM communications between a compute...

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    Original price $ 34.99 - Original price $ 34.99
    Original price
    $ 34.99
    $ 34.99 - $ 34.99
    Current price $ 34.99
  • Vixen Telescope 50mm Low-profile Finder Bracket (S)
    Original price $ 61.99 - Original price $ 61.99
    Original price
    $ 61.99
    $ 61.99 - $ 61.99
    Current price $ 61.99

    Vixen Telescope 50mm Low-profile Finder Bracket (S)

    Vixen

    Description Finder Bracket to facilitate Optical axis adjustment Short bracket for Vixen Finder Scope. Use with item #2654, finder bracket shoe, ...

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    Original price $ 61.99 - Original price $ 61.99
    Original price
    $ 61.99
    $ 61.99 - $ 61.99
    Current price $ 61.99