Accessories on Sale

Filters

Filters
Sort by:

50 products

Save $ 12.50
ReflexSightReflexSight
Explore Scientific
ReflexSight Sale price$ 49.99 Regular price$ 62.49
Sold outSave $ 21.50
Dobsonian Shroud for 10" and 12" Truss Tube DOB TelescopeDobsonian Shroud for 10" and 12" Truss Tube DOB Telescope
Explore Scientific
Dobsonian Shroud for 10" and 12" Truss Tube DOB Telescope Sale price$ 85.99 Regular price$ 107.49
Save $ 12.50
Counterweight Set for Truss Tube Telescope DOB - DOB-CWCounterweight Set for Truss Tube Telescope DOB - DOB-CW
Explore Scientific
Counterweight Set for Truss Tube Telescope DOB Sale price$ 49.99 Regular price$ 62.49
Save $ 15.00
Explore Scientific 8x50 Non-Illuminated Finder Scope
Explore Scientific
8x50 Non-Illuminated Finder Scope Sale price$ 59.99 Regular price$ 74.99
Save $ 32.50
Explore Scientific 8x50 Straight Through Illuminated Viewfinder with Bracket and NEW long battery life Illuminator IIExplore Scientific 8x50 Straight Through Illuminated Viewfinder with Bracket and NEW long battery life Illuminator II
Explore Scientific
8x50 Straight Through Illuminated Viewfinder with Bracket and NEW long battery life Illuminator II Sale price$ 129.99 Regular price$ 162.49
Save $ 37.50
Explore Scientific 8x50 Illuminated Right Angle Polar Finder Scope with NEW long battery life Illuminator IIExplore Scientific 8x50 Illuminated Right Angle Polar Finder Scope with NEW long battery life Illuminator II
Explore Scientific
8x50 Illuminated Right Angle Polar Finder Scope with NEW long battery life Illuminator II Sale price$ 149.99 Regular price$ 187.49
Save $ 7.50
Hybrid Finder Scope BaseHybrid Finder Scope Base
Explore Scientific
Hybrid Finder Scope Base Sale price$ 29.99 Regular price$ 37.49
Save $ 12.50
Finder Scope Base with Mounting ScrewsFinder Scope Base with Mounting Screws
Explore Scientific
Finder Scope Base with Mounting Screws Sale price$ 49.99 Regular price$ 62.49
Save $ 12.50
T-Shaped Finder Scope Base for Essential Series with Mounting ScrewsT-Shaped Finder Scope Base for Essential Series with Mounting Screws
Explore Scientific
T-Shaped Finder Scope Base for Essential Series with Mounting Screws Sale price$ 49.99 Regular price$ 62.49
Save $ 15.00
50mm Finder Scope Rings - Standard Height
Explore Scientific
50mm Finder Scope Rings - Standard Height Sale price$ 59.99 Regular price$ 74.99
Save $ 22.50
Explore Scientific 50mm Finder Scope Rings “ TallExplore Scientific 50mm Finder Scope Rings “ Tall
Explore Scientific
50mm Finder Scope Rings “ Tall Sale price$ 89.99 Regular price$ 112.49
Save $ 20.00
50mm Finder Scope Rings for Right Angle Finder50mm Finder Scope Rings for Right Angle Finder
Explore Scientific
50mm Finder Scope Rings for Right Angle Finder Sale price$ 79.99 Regular price$ 99.99
Save $ 12.50
Finder Scope Illuminator
Explore Scientific
Finder Scope Illuminator Only Sale price$ 49.99 Regular price$ 62.49
Save $ 15.00
Illuminator II for Finder Scopes - FNDRILLUM-02Illuminator II for Finder Scopes - FNDRILLUM-02
Explore Scientific
Illuminator II for Finder Scopes Sale price$ 59.99 Regular price$ 74.99
Save $ 175.00
Explore Scientific iEXOS-100 HD PMC-Eight Equatorial Tracker SystemExplore Scientific iEXOS-100 HD PMC-Eight Equatorial Tracker System
Explore Scientific
iEXOS-100-02 HD PMC-Eight Equatorial Tracker System Sale price$ 699.99 Regular price$ 874.99
Save $ 15.00
iEXOS-100 Azimuth Adjuster AdapteriEXOS-100 Azimuth Adjuster Adapter
Explore Scientific
iEXOS-100 Azimuth Adjuster Adapter Sale price$ 59.99 Regular price$ 74.99
Save $ 15.00
Explore Scientific Camera Dovetail PlateExplore Scientific Camera Dovetail Plate
Explore Scientific
Camera Dovetail Plate Sale price$ 59.99 Regular price$ 74.99
Save $ 20.00
iEXOS-100 Polar Finder and AdapteriEXOS-100 Polar Finder and Adapter
Explore Scientific
iEXOS-100 Polar Finder and Adapter Sale price$ 79.99 Regular price$ 99.99
Save $ 20.00
Illuminated Polar Finder - EXOS2PF2Illuminated Polar Finder - EXOS2PF2
Explore Scientific
Illuminated Polar Finder Sale price$ 79.99 Regular price$ 99.99
Save $ 12.50
Finder Scope Illuminator
Explore Scientific
Replacement Illuminator for Polar Finder EXOS2/EXOS2GT Sale price$ 49.99 Regular price$ 62.49
Sold outSave $ 4.50
iEXOS-100 2.2 Pound Counterweight - 2.2lb/1kg - ES-CW22iEXOS-100 2.2 Pound Counterweight - 2.2lb/1kg - ES-CW22
Explore Scientific
iEXOS-100 2.2 Pound Counterweight (2.2lb/1kg) Sale price$ 17.99 Regular price$ 22.49
Sold outSave $ 4.50
iEXOS-100 2.2 Pound Counterweight - 2.2lb/1kg - ES-CW22-00
Explore Scientific
iEXOS-100 2.2 Pound Counterweight (2.2lb/1kg) Sale price$ 17.99 Regular price$ 22.49
Save $ 15.00
5 Pound Counterweight - 5lb/2.25kg - EXOS2CWB55 Pound Counterweight - 5lb/2.25kg - EXOS2CWB5
Explore Scientific
5 Pound Counterweight (5lb/2.25kg) Sale price$ 59.99 Regular price$ 74.99
Sold outSave $ 11.50
Short Vixen-Style Saddle Plate
Explore Scientific
Short Vixen-Style Saddle Plate Sale price$ 45.99 Regular price$ 57.49
Save $ 14.00
Medium-Vixen Style Saddle Plate
Explore Scientific
Medium-Vixen Style Saddle Plate Sale price$ 55.99 Regular price$ 69.99
Sold outSave $ 17.50
Large Vixen-Style Saddle Plate
Explore Scientific
Large Vixen-Style Saddle Plate Sale price$ 69.99 Regular price$ 87.49
Save $ 150.00
3-inch Self-Centering Focuser3-inch Self-Centering Focuser
Explore Scientific
3-inch Self-Centering Focuser Sale priceFrom $ 599.99 Regular price$ 749.99
Save $ 7.50
Explore Scientific Rack and Pinion Focuser 1" Extension Tube - ESRPEXT1Explore Scientific Rack and Pinion Focuser 1" Extension Tube - ESRPEXT1
Explore Scientific
Rack and Pinion Focuser Half-Inch Extension Tube Sale price$ 29.99 Regular price$ 37.49
Save $ 8.75
Explore Scientific Rack and Pinion Focuser 2" Extension Tube - ESRPEXT2Explore Scientific Rack and Pinion Focuser 2" Extension Tube - ESRPEXT2
Explore Scientific
Rack and Pinion Focuser 1.5-inch Extension Tube Sale price$ 34.99 Regular price$ 43.74
Save $ 10.00
Explore Scientific 2.5" Extension Tube for the 2.5" Hex Focuser - ESHEXEXT2
Explore Scientific
1.5-Inch Extension Tube for the 2.5" Hex Focuser Sale price$ 39.99 Regular price$ 49.99
Save $ 50.00
Explore Scientific 99% Reflective 2" DiagonalExplore Scientific 99% Reflective 2" Diagonal
Explore Scientific
99% Reflective 2" Diagonal Sale price$ 199.99 Regular price$ 249.99
Save $ 147.50
Explore Scientific 99% Reflective 3" DiagonalExplore Scientific 99% Reflective 3" Diagonal
Explore Scientific
99% Reflective 3" Diagonal Sale price$ 589.99 Regular price$ 737.49
Save $ 37.50
Explore Scientific 2" 2X Focal Extender - FE02-020
Explore Scientific
2" 2X Focal Extender Sale price$ 149.99 Regular price$ 187.49
Save $ 37.50
Explore Scientific 2" 3X Focal Extender - FE03-020Explore Scientific 2" 3X Focal Extender - FE03-020
Explore Scientific
2" 3X Focal Extender Sale price$ 149.99 Regular price$ 187.49
Save $ 25.00
Explore Scientific 1.25" 2x Focal Extender
Explore Scientific
1.25" 2x Focal Extender Sale price$ 99.99 Regular price$ 124.99
Save $ 30.00
Explore Scientific 1.25" 3X Focal Extender
Explore Scientific
1.25" 3X Focal Extender Sale price$ 119.99 Regular price$ 149.99
Save $ 27.50
Explore Scientific 1.25" 5X Focal Extender
Explore Scientific
1.25" 5X Focal Extender Sale price$ 109.99 Regular price$ 137.49
Save $ 30.00
Field Flattener f/5 to f/7Field Flattener f/5 to f/7
Explore Scientific
Field Flattener f/5 to f/7 Sale price$ 119.99 Regular price$ 149.99
Save $ 75.00
Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00
Explore Scientific
3" Field Flattener .7x Focal Reducer Sale price$ 299.99 Regular price$ 374.99
Save $ 50.00
HR Variable Coma Corrector (2-inch) - HRCC02-00HR Variable Coma Corrector (2-inch) - HRCC02-00
Explore Scientific
HR Variable Coma Corrector (2-inch) Sale price$ 199.99 Regular price$ 249.99
Save $ 22.50
Explore Scientific 2" Adapter for FFFR507X-00Explore Scientific 2" Adapter for FFFR507X-00
Explore Scientific
2" Adapter for FFFR507X-00 Sale price$ 89.99 Regular price$ 112.49
Sold outSave $ 15.00
Explore Scientific 50mm (2") T2 Camera Adapter 510365Explore Scientific 50mm (2") T2 Camera Adapter 510365
Explore Scientific
50mm (2") T2 Camera Adapter Sale price$ 59.99 Regular price$ 74.99
Sold outSave $ 22.50
Explore Scientific Adapter for FFFR507X-00 to 2.5" Hex Focuser - 510366Explore Scientific Adapter for FFFR507X-00 to 2.5" Hex Focuser - 510366
Explore Scientific
Adapter for FFFR507X-00 to 2.5" Hex Focuser Sale price$ 89.99 Regular price$ 112.49
Save $ 57.50
ED80 Telescope CaseED80 Telescope Case
Explore Scientific
ED80 Telescope Case Sale price$ 229.99 Regular price$ 287.49
Save $ 7.50
Soft-Sided Eyepiece Case - EPWP KIT CaseSoft-Sided Eyepiece Case - EPWP KIT Case
Explore Scientific
Soft-Sided Eyepiece Case - EPWP KIT Case Sale price$ 29.99 Regular price$ 37.49
Save $ 25.00
Soft-Sided Telescope CaseSoft-Sided Telescope Case
Explore Scientific
Soft-Sided Telescope Case Sale price$ 99.99 Regular price$ 124.99
Save $ 20.00
Explore Scientific Backpack Carrying CaseExplore Scientific Backpack Carrying Case
Explore Scientific
Backpack Carrying Case Sale price$ 79.99 Regular price$ 99.99
Sold outSave $ 5.75
Explore Scientific Astro R-Lite Red Flashlight - ES-FL1001Explore Scientific Astro R-Lite Red Flashlight - ES-FL1001
Explore Scientific
Astro R-Lite Red Flashlight Sale price$ 22.99 Regular price$ 28.74

Free United States Shipping

Orders $70+ shipped within the continental United States qualify for free standard shipping. Learn more.

Explore Scientific Warranty

Register your product within 60 days to activate your warranty coverage. Learn more.

30 Day Returns

Returns are accepted within 30 days if the item is in original condition. Learn more.

Dedicated Customer Support

Our customer service team is here to help with product support and warranty service. Learn more.