Call 800-422-7876
Products
Filters
- Accessory Kit (11)
- Accessory Tray (2)
- Adapter (25)
- Altazimuth Mount (10)
- Auto Guider (5)
- Barlow (15)
- Battery (9)
- Binocular (36)
- Binoviewer (1)
- Blocking Filter (1)
- Book (14)
- Cable (12)
- Camera (12)
- Camera Adapter (25)
- Camera Tracking Platform (10)
- Cap (9)
- Case (27)
- Chair (1)
- Cleaning (2)
- Collimator (18)
- Color Camera (17)
- Computer (7)
- Controller (2)
- Corrector (3)
- Counterweight (37)
- Counterweight Shaft (7)
- Cover (43)
- Dew Controller (3)
- Dew Heater (31)
- Dew Shield (78)
- Diagonal (17)
- Dovetail (55)
- Drive (7)
- Encoders (2)
- Equatorial Mount (33)
- Extension Tube (2)
- Eyepiece (191)
- Fan (1)
- Filter (57)
- Filter Adapter (1)
- Filter Wheel (8)
- Finder Base (9)
- Finder Bracket (5)
- Finderscope (29)
- Flashlight (7)
- Flattener (11)
- Focuser (23)
- Focuser Adapter (8)
- Focusing Aid (14)
- Gift Card (1)
- GPS (1)
- Guider (3)
- Guidescope (5)
- Hand Control (3)
- Handle (3)
- Illuminator (4)
- Image Erecting Diagonal (3)
- Knob (1)
- Microscope (1)
- Monochrome Camera (11)
- Moon Map (1)
- Mount (87)
- mount (1)
- Mount Accessory (19)
- Mount Adapter (15)
- Off Axis Guider (5)
- Phone Adapter (7)
- Pier (5)
- Pier Extension (13)
- Piggyback Adapter (5)
- Polar Finder (15)
- Power Supply (12)
- Red Dot Finderscope (3)
- Reducer (42)
- refractor (1)
- Saddle (7)
- Shroud (12)
- Slow Motion Cable (1)
- Smart Telescope (9)
- Solar Filter (27)
- Solar Finderscope (1)
- Solar Telescope (5)
- Solar Wedge (2)
- spa (1)
- Spacer (11)
- Spotting Scope (14)
- Star Charts (2)
- Star Diagonal (2)
- T-Ring (26)
- T-Shirt (1)
- Telescope (270)
- Tripod (25)
- Tube Holder (9)
- Tube Ring (2)
- Vibration Reduction (1)
- Visual Back (3)
- Wedge (5)
- WiFi (4)
- Wireless (2)
- Antares (17)
- Astro Media (2)
- Astro-Tech (137)
- Astrodon (1)
- Astronomics (5)
- Astrozap (123)
- Bob's Knobs (10)
- Bushnell (1)
- Cambridge Press (1)
- Celestron (339)
- Coronado (7)
- Datalizer (4)
- Explore Scientific (83)
- Firefly Press (1)
- iOptron (223)
- JMI (2)
- Losmandy (69)
- Lunt Solar Systems (14)
- Manfrotto (1)
- Meade (12)
- Olivon (2)
- Optolong (19)
- Pentax (24)
- Questar (83)
- question (2)
- Rigel Systems (5)
- SBIG (4)
- Sky Publishing (7)
- Sky-Watcher (103)
- Software Bisque (4)
- Starlight Instruments (22)
- Takahashi (56)
- TeleGizmos (42)
- TeleVue (175)
- Telrad (8)
- Thousand Oaks (29)
- Unistellar (7)
- Universal Astro (4)
- universe (1)
- Various Manufacturers (3)
- Vernonscope (13)
- Vixen (1)
- William Optics (1)
- ZWO (82)
- Astro-Tech CFT Refractor (1)
- Astro-Tech ED Refractors (6)
- Astro-Tech EDL Refractors (4)
- Astro-Tech EDP Refractor (1)
- Astro-Tech EDQ Refractors (3)
- Astro-Tech EDT Refractors (5)
- Astro-Tech EDX Refractors (2)
- Astro-Tech Imaging Newtonians (4)
- Astro-Tech Ritchey-Chretiens (9)
- Celestron Advanced VX (12)
- Celestron AstroMaster (8)
- Celestron CGEM II (9)
- Celestron CGX (10)
- Celestron CGX-L (9)
- Celestron CPC (6)
- Celestron EdgeHD Optical Tubes (4)
- Celestron LCM (2)
- Celestron NexStar Evolution (4)
- Celestron NexStar SE (4)
- Celestron NexStar SLT (4)
- Celestron Omni XLT (4)
- Celestron Optical Tube Assemblies (2)
- Celestron Origin (2)
- Celestron PowerSeeker (9)
- Celestron RASA Optical Tubes (5)
- Celestron SCT Optical Tubes (4)
- Celestron StarSense Explorer (11)
- Celestron Travel Scope (3)
- Explore Scientific APO Triplet Carbon Fiber (4)
- Explore Scientific APO Triplet FCD100 Carbon Fiber (5)
- Explore Scientific APO Triplets Essential Series (3)
- Explore Scientific AR Doublet (3)
- Explore Scientific Newtonian Reflectors (4)
- Explore Scientific Truss Dobsonians (4)
- Lunt Modular (2)
- Lunt Solar Telescopes (2)
- Questar 3.5” Maksutov Cassegrains (15)
- Questar 7” Maksutov Cassegrains (8)
- Sky-Watcher Espirit (4)
- Sky-Watcher GoTo Collapsible Dobsonians (5)
- Sky-Watcher Heritage Dobsonians (2)
- Sky-Watcher Maksutov Telescopes (7)
- Sky-Watcher Pro ED APO (7)
- Sky-Watcher StarTravel (2)
- Sky-Watcher Quattro Imaging Newtonians (4)
- Sky-Watcher Traditional Dobsonians (3)
- Sky-Watcher Truss Tube Collapsible Dobsonians (3)
- Sky-Watcher Virtuoso (3)
- Takahashi Epsilon (2)
- Takahashi FC (5)
- Takahashi FS (2)
- Takahashi FSQ (2)
- Takahashi TOA and TSA (3)
- TeleVue Doublet APO (5)
- TeleVue Nagler-Petzval APO (3)
- Unistellar Equinox (2)
- Unistellar EVscope (2)
- ZWO FF Series (5)
- ZWO Seestar (2)
- Astro-Tech Paradigm Dual ED (7)
- Astro-Tech PF (5)
- Astro-Tech UWA (7)
- Astro-Tech XWA (6)
- Celestron Luminos (6)
- Celestron Omni Plossls (8)
- Celestron Ultima Edge (4)
- Celestron X-Cel LX (7)
- Explore Scientific 100º (5)
- Explore Scientific 52º (9)
- Explore Scientific 62º (7)
- Explore Scientific 68º (6)
- Explore Scientific 82º (9)
- Explore Scientific 92º (2)
- Pentax XW (10)
- Pentax Zoom (2)
- Questar Brandons (6)
- TeleVue DeLites (9)
- TeleVue Delos (8)
- TeleVue Dioptrix (11)
- TeleVue Ethos (8)
- TeleVue Naglers (8)
- TeleVue Panoptics (5)
- TeleVue Plossls (8)
- Vernonscope Brandon (6)
- Vernonscope Brandon Flat Tops (6)
- Celestron Cometron (2)
- Celestron Nature DX (8)
- Celestron Outland (4)
- Celestron SkyMaster (11)
- Celestron Ultima (5)
- Celestron Upclose (10)
- iOptron HEM (9)
- iOptron HAE (11)
- iOptron HAZ (3)
- iOptron CEM (14)
- iOptron GEM (18)
- iOptron Photron (7)
- Unistellar Odyssey (2)
- iOptron Imaging Newtonian (3)
- Takahashi Mewlon (2)
- Up To 3mm (3)
- 3.1mm-5mm (20)
- 5.1mm-7mm (18)
- 7.1mm-10mm (22)
- 10.1mm-13mm (19)
- 13.1mm-16mm (21)
- 16.1mm-19mm (14)
- 19.1mm-21mm (8)
- 21.1mm-24mm (10)
- 24.1mm-27mm (9)
- 27.1mm and Up (28)
- Zoom (5)
- Up to 400mm (24)
- 401mm-800mm (95)
- 801mm-1200mm (54)
- 1201mm-1600mm (49)
- 1601mm-2000mm (6)
- 2001mm-2400mm (37)
- 2401mm-2800mm (22)
- 2801mm-3200mm (3)
- 3200mm and Up (6)
- Alt-Azimuth - Manual Control (32)
- Alt-Azimuth - GoTo (40)
- Alt-Azimuth - Motorized (13)
- Camera Tracking Platform (3)
- Dobsonian (23)
- Equatorial - Manual Control (12)
- Equatorial - GoTo (118)
- Equatorial - Motorized (2)
- Dual - AZ/EQ (22)
- No Mount Included - OTA Only (129)
- Tripod (8)
- Dobsonian - Computerized GoTo (2)
-
Original price $69.00 - Original price $69.00Original price$69.00$69.00 - $69.00Current price $69.00| /
Thousand Oaks Full Aperture Solarlite Filter For Takahashi FS-78/Sky 90 And Televue TV-85
Thousand OaksMore on the wayThis full aperture SolarLite filter fits the Takahashi FS-78 and Sky 90 and TeleVue TV-85 refractors . . .This full aperture filter has a 101mm/4" ...
View full detailsOriginal price $69.00 - Original price $69.00Original price$69.00$69.00 - $69.00Current price $69.00| / -
Original price $159.50 - Original price $159.50Original price$159.50$159.50 - $159.50Current price $159.50| /
Thousand Oaks LP-2 Narrowband Filter for 2" Eyepieces
Thousand OaksMore on the way4.5 / 5.0
2 Reviews
This 48mm narrowband filter has a 280 Ångstrom passband for visually observing emission nebulas from heavily light-polluted areas using medium and ...
View full detailsOriginal price $159.50 - Original price $159.50Original price$159.50$159.50 - $159.50Current price $159.50| / -
Original price $159.50 - Original price $159.50Original price$159.50$159.50 - $159.50Current price $159.50| /
Thousand Oaks LP-3 Oxygen III Line Band Filter for 2" Eyepiece
Thousand OaksMore on the way5.0 / 5.0
2 Reviews
Tech Details: Max City Exit Pupil 5mm Max Dark Site Exit Pupil 7mm Min City Exit Pupil 2mm Min Dark Site Exit Pupil 3mm
Original price $159.50 - Original price $159.50Original price$159.50$159.50 - $159.50Current price $159.50| / -
Original price $159.50 - Original price $159.50Original price$159.50$159.50 - $159.50Current price $159.50| /
Thousand Oaks LP-4 H-Beta Line Band Filter for 2" Eyepieces
Thousand OaksMore on the wayVery steep cut-off slopes and a narrow passband make this 2" Thousand Oaks H-Beta filter ideal for viewing certain very faint emission nebulas like...
View full detailsOriginal price $159.50 - Original price $159.50Original price$159.50$159.50 - $159.50Current price $159.50| / -
Original price $129.00 - Original price $129.00Original price$129.00$129.00 - $129.00Current price $129.00| /
Thousand Oaks Solarlite 11" Solar Filter For Celestron 11" SCT S-12500
Thousand OaksMore on the wayAfter years of R & D Thousand Oaks has developed a new solar film that has the optical quality of the glass with the advantages of impregnated ...
View full detailsOriginal price $129.00 - Original price $129.00Original price$129.00$129.00 - $129.00Current price $129.00| / -
Original price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| /
Thousand Oaks Solarlite 14" Solar Filter For Celestron And Meade 14" SCT S-16000
Thousand OaksIn StockThis Thousand Oaks White Light Solar Filter is designed to work with Celestron and Meade 14" Schmidt-Cassegrains. After years of R & D Thousand...
View full detailsOriginal price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| / -
Original price $119.00 - Original price $119.00Original price$119.00$119.00 - $119.00Current price $119.00| /
Thousand Oaks Solarlite 9.25" Solar Filter For Celestron 9.25" SCT S-10750
Thousand OaksMore on the way2.0 / 5.0
1 Review
This white light solar filter is designed to work with the Celestron 9.25" SCT.After years of R & D Thousand Oaks has developed a new solar fil...
View full detailsOriginal price $119.00 - Original price $119.00Original price$119.00$119.00 - $119.00Current price $119.00| / -
Original price $2,499.00 - Original price $2,499.00Original price$2,499.00$2,499.00 - $2,499.00Current price $2,499.00| /
Unistellar Equinox 2 Smart Telescope
UnistellarIn Stock4.0 / 5.0
1 Review
The eQuinox 2 is an innovative smart telescope that brings the wonders of space within reach, even in brightly lit urban areas. Features: Unistel...
View full detailsOriginal price $2,499.00 - Original price $2,499.00Original price$2,499.00$2,499.00 - $2,499.00Current price $2,499.00| / -
Original price $2,799.00 - Original price $2,799.00Original price$2,799.00$2,799.00 - $2,799.00Current price $2,799.00| /
Unistellar Equinox 2 Smart Telescope With Backpack
UnistellarIn StockThe eQuinox 2 is an innovative smart telescope that brings the wonders of space within reach, even in brightly lit urban areas. Features: Unistel...
View full detailsOriginal price $2,799.00 - Original price $2,799.00Original price$2,799.00$2,799.00 - $2,799.00Current price $2,799.00| / -
Original price $4,899.00 - Original price $4,899.00Original price$4,899.00$4,899.00 - $4,899.00Current price $4,899.00| /
Unistellar eVscope 2 Digital Telescope
UnistellarIn StockWith the eVscope eQuinox, you can enjoy the beauty of deep space, protect the planet against near-earth asteroids, conduct hands-on science, and so...
View full detailsOriginal price $4,899.00 - Original price $4,899.00Original price$4,899.00$4,899.00 - $4,899.00Current price $4,899.00| / -
Original price $5,199.00 - Original price $5,199.00Original price$5,199.00$5,199.00 - $5,199.00Current price $5,199.00| /
Unistellar eVscope 2 Digital Telescope with Backpack
UnistellarIn StockWith the eVscope eQuinox, you can enjoy the beauty of deep space, protect the planet against near-earth asteroids, conduct hands-on science, and so...
View full detailsOriginal price $5,199.00 - Original price $5,199.00Original price$5,199.00$5,199.00 - $5,199.00Current price $5,199.00| / -
Original price $1,399.00 - Original price $1,399.00Original price$1,399.00$1,399.00 - $1,399.00Current price $1,399.00| /
Unistellar eVscope eQuinox Smart Digital Telescope With a Free Backpack
UnistellarIn StockWith the eVscope eQuinox, you can enjoy the beauty of deep space, protect the planet against near-earth asteroids, conduct hands-on science, and so...
View full detailsOriginal price $1,399.00 - Original price $1,399.00Original price$1,399.00$1,399.00 - $1,399.00Current price $1,399.00| / -
Original price $3,999.00 - Original price $3,999.00Original price$3,999.00$3,999.00 - $3,999.00Current price $3,999.00| /
Unistellar ODYSSEY PRO Smart Telescope
UnistellarMore on the wayOdyssey Pro is an advanced Smart Telescope that is compact, lightweight, user-friendly, equipped with Nikon eyepiece technology, and works with an ...
View full detailsOriginal price $3,999.00 - Original price $3,999.00Original price$3,999.00$3,999.00 - $3,999.00Current price $3,999.00| / -
Original price $2,299.00 - Original price $2,299.00Original price$2,299.00$2,299.00 - $2,299.00Current price $2,299.00| /
Unistellar ODYSSEY Smart Telescope
UnistellarIn StockOdyssey is an advanced Smart Telescope that is compact, lightweight, user-friendly, equipped with Nikon eyepiece technology, and works with an intu...
View full detailsOriginal price $2,299.00 - Original price $2,299.00Original price$2,299.00$2,299.00 - $2,299.00Current price $2,299.00| / -
Original price $149.95Original price $149.95 - Original price $149.95Original price $149.95Current price $99.95$99.95 - $99.95Current price $99.95| /
Universal Astro 2" Adjustable Field Flattener for f/5 to f/7 Refractor Telescopes
Universal AstroSold OutNeed to dial in your backspacing on your imaging rig? The UA 2" field flattener gives you the freedom to set your spacing from 55mm all the way to...
View full detailsOriginal price $149.95Original price $149.95 - Original price $149.95Original price $149.95Current price $99.95$99.95 - $99.95Current price $99.95| /Sold out -
Original price $24.95Original price $24.95 - Original price $24.95Original price $24.95Current price $7.95$7.95 - $7.95Current price $7.95| /
Universal Astro 2" To 1.25" Accessory Adapter
Universal AstroIn Stock5.0 / 5.0
1 Review
This Universal Astro 2" to 1.25" eyepiece adapter lets you use 1.25" accessories in a 2" focuser or star diagonal . . This Universal Astro 2" to 1...
View full detailsOriginal price $24.95Original price $24.95 - Original price $24.95Original price $24.95Current price $7.95$7.95 - $7.95Current price $7.95| /Save $17.00 Save $0.00 -
Original price $89.95Original price $89.95 - Original price $89.95Original price $89.95Current price $39.95$39.95 - $39.95Current price $39.95| /
Universal Astro 32mm f/4 Mini Guide Scope
Universal AstroIn Stock5.0 / 5.0
1 Review
Looking for small guide scope, then look no further. The UA Mini Guide Scope is a great choice The Universal Astro Mini Guide Scope is truly a bar...
View full detailsOriginal price $89.95Original price $89.95 - Original price $89.95Original price $89.95Current price $39.95$39.95 - $39.95Current price $39.95| /Save $50.00 Save $0.00 -
Original price $24.95Original price $24.95 - Original price $24.95Original price $24.95Current price $4.95$4.95 - $4.95Current price $4.95| /
Universal Astro Radian 61 M63 Threaded Eyepiece Adapter
Universal AstroIn StockThis appears to be an eyepiece adapter that Radian 61 owners could thread onto the back of their telescope. It is M63 threaded and has a brass com...
View full detailsOriginal price $24.95Original price $24.95 - Original price $24.95Original price $24.95Current price $4.95$4.95 - $4.95Current price $4.95| /Save $20.00 Save $0.00 -
Original price $59.95Original price $59.95 - Original price $59.95Original price $59.95Current price $29.95$29.95 - $29.95Current price $29.95| /
Universal Astro Radian 79mm Tube Ring Pair
universeIn Stock5.0 / 5.0
1 Review
These split and hinged UA 79mm i.d. optical tube mounting rings are made of solid aluminum, anodized black for long life. They are felt-lined and h...
View full detailsOriginal price $59.95Original price $59.95 - Original price $59.95Original price $59.95Current price $29.95$29.95 - $29.95Current price $29.95| /Save $30.00 Save $0.00 -
Original price $279.00 - Original price $279.00Original price$279.00$279.00 - $279.00Current price $279.00| /
Vernonscope 12mm Brandon "Flat Top" Eyepiece
VernonscopeMore on the way5.0 / 5.0
2 Reviews
The 12mm Vernonscope Brandon "flat top" eyepiece is designed for high power use with any telescope type, at focal ratios f/7 and above. It provides...
View full detailsOriginal price $279.00 - Original price $279.00Original price$279.00$279.00 - $279.00Current price $279.00| / -
Original price $279.00 - Original price $279.00Original price$279.00$279.00 - $279.00Current price $279.00| /
Vernonscope 12mm Brandon Eyepiece
VernonscopeMore on the way5.0 / 5.0
1 Review
The 12mm Vernonscope Brandon eyepiece is designed for high power use with any telescope type, at focal ratios f/7 and above. It provides highly det...
View full detailsOriginal price $279.00 - Original price $279.00Original price$279.00$279.00 - $279.00Current price $279.00| / -
Original price $279.00 - Original price $279.00Original price$279.00$279.00 - $279.00Current price $279.00| /
Vernonscope 16mm Brandon "Flat Top" Eyepiece
VernonscopeMore on the way5.0 / 5.0
1 Review
The 16mm Vernonscope Brandon "flat top" eyepiece is designed for medium power high contrast/dark sky background use with any telescope type, at foc...
View full detailsOriginal price $279.00 - Original price $279.00Original price$279.00$279.00 - $279.00Current price $279.00| / -
Original price $279.00 - Original price $279.00Original price$279.00$279.00 - $279.00Current price $279.00| /
Vernonscope 16mm Brandon Eyepiece
VernonscopeMore on the way5.0 / 5.0
2 Reviews
The 16mm Vernonscope Brandon eyepiece is designed for medium power high contrast/dark sky background use with any telescope type, at focal ratios f...
View full detailsOriginal price $279.00 - Original price $279.00Original price$279.00$279.00 - $279.00Current price $279.00| / -
Original price $375.00 - Original price $375.00Original price$375.00$375.00 - $375.00Current price $375.00| /
Vernonscope 2" 48mm Brandon Eyepiece
VernonscopeMore on the way5.0 / 5.0
3 Reviews
The 2" 48mm Vernonscope Brandon eyepiece is designed for nigh-perfect low power deep sky observing with any telescope type that can use 2" eyepiece...
View full detailsOriginal price $375.00 - Original price $375.00Original price$375.00$375.00 - $375.00Current price $375.00| /