On Sale

Shop Explore Scientific’s on sale products. Whether you're a seasoned astronomer, a budding scientist, or simply someone who enjoys outdoor exploration, these on sale products provide excellent value without compromising on performance or reliability. Don't miss out on the opportunity to enhance your observational and scientific pursuits with premium gear at unbeatable prices.

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151 products

Save $ 25.00
Explore FirstLight Twilight Nano Mount - FL-TWINANOT1-00
Explore Scientific
Explore FirstLight Twilight Nano Mount Sale price$ 99.99 Regular price$ 124.99
Save $ 57.50
Twilight I Adjustable Angle Alt-Azimuth Mount - MAZ01-00
Explore Scientific
Twilight I Adjustable Angle Alt-Azimuth Mount Sale price$ 229.99 Regular price$ 287.49
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
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
Save $ 50.00
Twilight Medium Duty Tripod (Black)Twilight Medium Duty Tripod (Black)
Explore Scientific
Twilight Medium Duty Tripod (Black) Sale price$ 199.99 Regular price$ 249.99
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 $ 14.00
Medium-Vixen Style Saddle Plate
Explore Scientific
Medium-Vixen Style Saddle Plate Sale price$ 55.99 Regular price$ 69.99
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 $ 15.00
Explore Scientific FirstLight 90mm Doublet Refractor Telescope with AZ Mount - FL-AR90500AZExplore Scientific FirstLight 90mm Doublet Refractor Telescope with AZ Mount - FL-AR90500AZ
Explore Scientific
Explore Scientific FirstLight 90mm Doublet Refractor Telescope with AZ Mount Sale price$ 59.99 Regular price$ 74.99
Save $ 32.50
Explore FirstLight 80mm Refractor Telescope with Twilight Nano Mount - FL-AR80640TNExplore FirstLight 80mm Refractor Telescope with Twilight Nano Mount - FL-AR80640TN
Explore Scientific
Explore FirstLight 80mm Refractor Telescope with Twilight Nano Mount Sale price$ 129.99 Regular price$ 162.49
Save $ 50.00
Explore FirstLight 102mm Doublet Refractor Telescope with Twilight Nano Mount - FL-AR102600TNExplore FirstLight 102mm Doublet Refractor Telescope with Twilight Nano Mount - FL-AR102600TN
Explore Scientific
Explore FirstLight 102mm Doublet Refractor Telescope with Twilight Nano Mount Sale price$ 199.99 Regular price$ 249.99
Save $ 25.00
Explore FirstLight 114mm Newtonian Telescope with Twilight Nano Mount - FL-N114500TNExplore FirstLight 114mm Newtonian Telescope with Twilight Nano Mount - FL-N114500TN
Explore Scientific
Explore FirstLight 114mm Newtonian Telescope with Twilight Nano Mount Sale price$ 99.99 Regular price$ 124.99
Save $ 62.50
Explore FirstLight 100mm Mak-Cassegrain Telescope with Twilight Nano Mount - FL-MC1001400TNExplore FirstLight 100mm Mak-Cassegrain Telescope with Twilight Nano Mount
Explore Scientific
Explore FirstLight 100mm Mak-Cassegrain Telescope with Twilight Nano Mount Sale price$ 249.99 Regular price$ 312.49
Save $ 125.00
Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight Nano Mount - FL-MC1271900TNExplore FirstLight 127mm Mak-Cassegrain Telescope with Twilight Nano Mount - FL-MC1271900TN
Explore Scientific
Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight Nano Mount Sale price$ 499.99 Regular price$ 624.99
Save $ 212.50
Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight I Mount - FL-MC1271900MAZ01Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight I Mount - FL-MC1271900MAZ01
Explore Scientific
Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight I Mount Sale price$ 849.99 Regular price$ 1,062.49
Save $ 55.00
Explore FirstLight 100mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1001400EQ3Explore FirstLight 100mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1001400EQ3
Explore Scientific
Explore FirstLight 100mm Mak-Cassegrain Telescope with EQ3 Mount Sale price$ 219.99 Regular price$ 274.99
Save $ 120.00
6-inch Tabletop Dobsonian Reflector Telescope6-inch Tabletop Dobsonian Reflector Telescope
Explore Scientific
6-inch Tabletop Dobsonian Reflector Telescope Sale price$ 479.99 Regular price$ 599.99
NewSave $ 162.50
8-Inch Dobsonian Reflector Telescope (Red)8-Inch Dobsonian Reflector Telescope (Red)
Explore Scientific
8-Inch Dobsonian Reflector Telescope (Red) Sale price$ 649.99 Regular price$ 812.49
NewSave $ 50.00
114mm Newtonian Reflector Telescope with Equatorial Mount114mm Newtonian Reflector Telescope with Equatorial Mount
Explore Scientific
114mm Newtonian Reflector Telescope with Equatorial Mount Sale price$ 199.99 Regular price$ 249.99
Save $ 120.00
Explore FirstLight 127mm Mak-Cassegrain Telescope - Optical Tube Only - FL-MC1271900Explore FirstLight 127mm Mak-Cassegrain Telescope Optical Tube With Accessories
Explore Scientific
Explore FirstLight 127mm Mak-Cassegrain Telescope Optical Tube With Accessories Sale price$ 479.99 Regular price$ 599.99
Save $ 224.75
Explore Scientific 120° Series 9mm Waterproof EyepieceExplore Scientific 120° Series 9mm Waterproof Eyepiece
Explore Scientific
120° Series 9mm Waterproof Eyepiece Sale price$ 899.00 Regular price$ 1,123.75
Save $ 125.00
BinoViewer for TelescopesBinoViewer for Telescopes
Explore Scientific
BinoViewer for Telescopes Sale price$ 499.99 Regular price$ 624.99
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
0.8x Focal Reducer0.8x Focal Reducer
Explore Scientific
0.8x Focal Reducer Sale price$ 119.99 Regular price$ 149.99
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
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
Save $ 5.00
Tirion Double-Sided Multi-Latitude PlanisphereTirion Double-Sided Multi-Latitude Planisphere
Explore Scientific
Tirion Double-Sided Multi-Latitude Planisphere Sale price$ 19.99 Regular price$ 24.99
Save $ 15.00
Explore Scientific USB Power Bank with Red LED Flashlight - ES-PBFL-01Explore Scientific USB Power Bank with Red LED Flashlight - ES-PBFL-01
Explore Scientific
USB Power Bank with Red LED Flashlight Sale price$ 59.99 Regular price$ 74.99
Save $ 8.75
Dual plug (DB9 FTDI chipset and USB 2.0 Mini B)Dual plug (DB9 FTDI chipset and USB 2.0 Mini B)
Explore Scientific
Dual plug (DB9 FTDI chipset and USB 2.0 Mini B) Sale price$ 34.99 Regular price$ 43.74
Save $ 50.00
ED80-FCD100 Air-Spaced Triplet Refractor TelescopeExplore Scientific ED80-FCD100 Series Air-Spaced Triplet Refractor Telescope - FCD100-0806-01
Explore Scientific
ED80-FCD100 Air-Spaced Triplet Refractor Telescope Sale price$ 799.99 Regular price$ 849.99

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