Products
Filters
- Antlia (21)
- APM (129)
- Askar (45)
- Astrodon (2)
- Baader Planetarium (377)
- Bob's Knobs (9)
- Celestron (363)
- Chroma (35)
- David Astro (35)
- Daystar Filters (65)
- Dew-Not (19)
- Diffraction Limited (6)
- Explore Scientific (181)
- Farpoint (25)
- Geoptik (5)
- Howie Glatter (18)
- iOptron (51)
- Lacerta (1)
- Lumicon (3)
- Lunt Solar Systems (66)
- Optec (8)
- Optolong (8)
- Pegasus Astro (89)
- PrimaLuceLab (187)
- QHYCCD (59)
- Radio2Space (1)
- SBIG (51)
- Seestar (2)
- SharpStar Optics (21)
- Shelyak (6)
- Sky-Watcher (109)
- Software Bisque (85)
- Starbound (1)
- Starizona (7)
- Starlight Instruments (261)
- SVBONY (1)
- Telegizmos (12)
- TeleVue (1)
- Telrad (7)
- TS-Optics (20)
- William Optics (119)
- ZWO (131)
-
Original price $300.00 USD - Original price $300.00 USDOriginal price$300.00 USD$300.00 USD - $300.00 USDCurrent price $300.00 USD| /
Howie Glatter Single 635nm Red Beam Laser Collimator - 2"
SI-LC2-635Single red beam operates at 635nm.The Howie Glatter Laser Collimator incorporates a solid state laser diode that does not fade or change with time ...
View full detailsOriginal price $300.00 USD - Original price $300.00 USDOriginal price$300.00 USD$300.00 USD - $300.00 USDCurrent price $300.00 USD| / -
Original price $210.00 USD - Original price $210.00 USDOriginal price$210.00 USD$210.00 USD - $210.00 USDCurrent price $210.00 USD| /
Howie Glatter Single 650nm Red Beam Laser Collimator - 1.25"
SI-LC125-650Single deep red beam operates at 650nm. The Howie Glatter Holographic Laser Collimator incorporates a solid state laser diode that does not fade o...
View full detailsOriginal price $210.00 USD - Original price $210.00 USDOriginal price$210.00 USD$210.00 USD - $210.00 USDCurrent price $210.00 USD| / -
Original price $310.00 USD - Original price $310.00 USDOriginal price$310.00 USD$310.00 USD - $310.00 USDCurrent price $310.00 USD| /
Howie Glatter Single 650nm Red Beam Laser Collimator - 1.25"/2"
SI-LC2125-650Single red beam operates at 650nm. The Howie Glatter Laser Collimator incorporates a solid state laser diode that does not fade or change with tim...
View full detailsOriginal price $310.00 USD - Original price $310.00 USDOriginal price$310.00 USD$310.00 USD - $310.00 USDCurrent price $310.00 USD| / -
Original price $280.00 USD - Original price $280.00 USDOriginal price$280.00 USD$280.00 USD - $280.00 USDCurrent price $280.00 USD| /
Howie Glatter Single 650nm Red Beam Laser Collimator - 2"
SI-LC2-650Single red beam operates at 650nm.The Howie Glatter Laser Collimator incorporates a solid state laser diode that does not fade or change with time ...
View full detailsOriginal price $280.00 USD - Original price $280.00 USDOriginal price$280.00 USD$280.00 USD - $280.00 USDCurrent price $280.00 USD| / -
Original price $90.00 USD - Original price $90.00 USDOriginal price$90.00 USD$90.00 USD - $90.00 USDCurrent price $90.00 USD| /
Howie Glatter T-Adater w/ Parallizer Design
SI-EA20-205P-TT-adapter with Howie Glatter's Parallizer Patent alignment feature allows your image train to stay parallelThere is a misconception that the proble...
View full detailsOriginal price $90.00 USD - Original price $90.00 USDOriginal price$90.00 USD$90.00 USD - $90.00 USDCurrent price $90.00 USD| / -
Original price $160.00 USD - Original price $160.00 USDOriginal price$160.00 USD$160.00 USD - $160.00 USDCurrent price $160.00 USD| /
Howie Glatter TuBLUG-1.25" Newtonian Collimator
SI-TUBLUG1.25User Instructions·Use with a regular laser collimator in single beam mode to perform barlowed laser Newtonian primary mirror alignment on closed tu...
View full detailsOriginal price $160.00 USD - Original price $160.00 USDOriginal price$160.00 USD$160.00 USD - $160.00 USDCurrent price $160.00 USD| / -
Original price $240.00 USD - Original price $240.00 USDOriginal price$240.00 USD$240.00 USD - $240.00 USDCurrent price $240.00 USD| /
Howie Glatter TuBLUG-2" Newtonian Collimator
SI-TUBLUG2User Instructions·Use with a regular laser collimator in single beam mode to perform barlowed laser Newtonian primary mirror alignment on closed tu...
View full detailsOriginal price $240.00 USD - Original price $240.00 USDOriginal price$240.00 USD$240.00 USD - $240.00 USDCurrent price $240.00 USD| / -
Original price $60.00 USD - Original price $60.00 USDOriginal price$60.00 USD$60.00 USD - $60.00 USDCurrent price $60.00 USD| /
Howie Glatter Variable Laser Brightness Battery Cap/Switch Upgrade for Laser Collimators
SI-VLB5.0 / 5.0
1 Review
Variable Laser Brightness battery cap/switch upgrade for Howie Glatter laser collimators. Specifications Known To Fit Howie Glatter Laser Collimat...
View full detailsOriginal price $60.00 USD - Original price $60.00 USDOriginal price$60.00 USD$60.00 USD - $60.00 USDCurrent price $60.00 USD| / -
Original price $108.00 USD - Original price $108.00 USDOriginal price$108.00 USD$108.00 USD - $108.00 USDCurrent price $108.00 USD| /
iOptron 1.25" Tripod for iPANO/SkyGuider Pro/SkyTracker
IOP-32211 in stock1.25" Stainless Steel tripod that fits the iOptron SkyGuider Pro, iPANO, SkyTracker/SkyTracker Pro.
Original price $108.00 USD - Original price $108.00 USDOriginal price$108.00 USD$108.00 USD - $108.00 USDCurrent price $108.00 USD| / -
Original price $35.00 USD - Original price $35.00 USDOriginal price$35.00 USD$35.00 USD - $35.00 USDCurrent price $35.00 USD| /
iOptron 1.35kg Counterweight
IOP-86051 in stockThis new 1.35 kg (3 lb) counterweight is designed for SkyTracker Pro and SkyGuider pro counterweight package (#3324), as well as other iOptron moun...
View full detailsOriginal price $35.00 USD - Original price $35.00 USDOriginal price$35.00 USD$35.00 USD - $35.00 USDCurrent price $35.00 USD| / -
Original price $155.00 USD - Original price $155.00 USDOriginal price$155.00 USD$155.00 USD - $155.00 USDCurrent price $155.00 USD| /
iOptron 10kg Counterweight for CEM120
IOP-7326Additional 10 kg counterweight for the CEM120 mount.
Original price $155.00 USD - Original price $155.00 USDOriginal price$155.00 USD$155.00 USD - $155.00 USDCurrent price $155.00 USD| / -
Original price $458.00 USD - Original price $458.00 USDOriginal price$458.00 USD$458.00 USD - $458.00 USDCurrent price $458.00 USD| /
iOptron 150mm f/4 Imaging Newtonian
IOP-63111 in stockiOptron’s 150mm (approx. 6") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with a D...
View full detailsOriginal price $458.00 USD - Original price $458.00 USDOriginal price$458.00 USD$458.00 USD - $458.00 USDCurrent price $458.00 USD| / -
Original price $55.00 USD - Original price $55.00 USDOriginal price$55.00 USD$55.00 USD - $55.00 USDCurrent price $55.00 USD| /
iOptron 2.5kg Counterweight for iEQ45, CEM40, GEM45, CEM60 and CEM70
IOP-8027-05This 2.5 kg (5.5lb) counterweight is designed for following iOptron mount: CEM70/CEM70EC/CEM70G CEM60/CEM60EC GEM45/GEM45EC/GEM40G CEM40/CEM40EC/C...
View full detailsOriginal price $55.00 USD - Original price $55.00 USDOriginal price$55.00 USD$55.00 USD - $55.00 USDCurrent price $55.00 USD| / -
Original price $628.00 USD - Original price $628.00 USDOriginal price$628.00 USD$628.00 USD - $628.00 USDCurrent price $628.00 USD| /
iOptron 200mm f/4 Imaging Newtonian
IOP-6312iOptron’s 200mm (approx. 7.9") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with ...
View full detailsOriginal price $628.00 USD - Original price $628.00 USDOriginal price$628.00 USD$628.00 USD - $628.00 USDCurrent price $628.00 USD| / -
Original price $778.00 USD - Original price $778.00 USDOriginal price$778.00 USD$778.00 USD - $778.00 USDCurrent price $778.00 USD| /
iOptron 250mm f/4 Imaging Newtonian
IOP-63134.0 / 5.0
1 Review
iOptron’s 250mm (approx. 9.8") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with ...
View full detailsOriginal price $778.00 USD - Original price $778.00 USDOriginal price$778.00 USD$778.00 USD - $778.00 USDCurrent price $778.00 USD| / -
Original price $45.00 USD - Original price $45.00 USDOriginal price$45.00 USD$45.00 USD - $45.00 USDCurrent price $45.00 USD| /
iOptron 2kg Counterweight for CEM26, GEM28 and AZ mount Pro
IOP-3006-052 in stockThis 2 kg (4.5lb) counterweight is designed for following iOptron mount: CEM26/CEM26EC GEM28/GEM28EC AZ Mount Pro iEQ30/iEQ30 Pro CEM25/CEM25P/CEM...
View full detailsOriginal price $45.00 USD - Original price $45.00 USDOriginal price$45.00 USD$45.00 USD - $45.00 USDCurrent price $45.00 USD| / -
Original price $998.00 USD - Original price $998.00 USDOriginal price$998.00 USD$998.00 USD - $998.00 USDCurrent price $998.00 USD| /
iOptron 300mm f/4 Imaging Newtonian
IOP-6315iOptron’s 300mm (approx. 11.8") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with...
View full detailsOriginal price $998.00 USD - Original price $998.00 USDOriginal price$998.00 USD$998.00 USD - $998.00 USDCurrent price $998.00 USD| / -
Original price $75.00 USD - Original price $75.00 USDOriginal price$75.00 USD$75.00 USD - $75.00 USDCurrent price $75.00 USD| /
iOptron 4.5kg Counterweight for iEQ30, ZEQ25, CEM25 and CEM40
IOP-3006-101 in stockThis 4.5 kg (~10 lbs) counterweight can be used for the following iOptron mount: CEM40/CEM40EC* (early version with 20mm CW shaft) iEQ30/iEQ30 Pro...
View full detailsOriginal price $75.00 USD - Original price $75.00 USDOriginal price$75.00 USD$75.00 USD - $75.00 USDCurrent price $75.00 USD| / -
Original price $78.00 USD - Original price $78.00 USDOriginal price$78.00 USD$78.00 USD - $78.00 USDCurrent price $78.00 USD| /
iOptron 5kg Counterweight for iEQ45, CEM40, GEM45, CEM60 and CEM70
IOP-80274 in stock5kg counterweight for iOptron mount. This CW is designed for following iOptron Mount: CEM70/CEM70EC/CEM70G CEM60/CEM60EC GEM45/GEM45EC/GEM45G CEM4...
View full detailsOriginal price $78.00 USD - Original price $78.00 USDOriginal price$78.00 USD$78.00 USD - $78.00 USDCurrent price $78.00 USD| / -
Original price $133.00 USD - Original price $133.00 USDOriginal price$133.00 USD$133.00 USD - $133.00 USDCurrent price $133.00 USD| /
iOptron 9.5kg Counterweight for iEQ45, CEM60 and CEM70
IOP-72262 in stockAdditional 10 kg counterweight for the CEM120 mount.This counterweight will fit the following mounts: CEM70/CEM70G GEM45/GEM45G/GEM45EC* iEQ45/iEQ4...
View full detailsOriginal price $133.00 USD - Original price $133.00 USDOriginal price$133.00 USD$133.00 USD - $133.00 USDCurrent price $133.00 USD| / -
Original price $318.00 USD - Original price $318.00 USDOriginal price$318.00 USD$318.00 USD - $318.00 USDCurrent price $318.00 USD| /
iOptron Carbon Fiber Tripod
IOP-8061The iOptron carbon fiber tripod provide a lightweight yet strong support for iOptron mounts. It fits these iOptron mounts (may need extra mounting ...
View full detailsOriginal price $318.00 USD - Original price $318.00 USDOriginal price$318.00 USD$318.00 USD - $318.00 USDCurrent price $318.00 USD| / -
Original price $40.00 USD - Original price $40.00 USDOriginal price$40.00 USD$40.00 USD - $40.00 USDCurrent price $40.00 USD| /
iOptron Carry Bag for 1.5-inch Tripod
IOP-34041 in stockTop loading carry bag. Perfect for carrying tripod for SkyTracker, ZEQ25,(1.5-inch tripod version), or SmartEQ. Will hold other tripods also (see d...
View full detailsOriginal price $40.00 USD - Original price $40.00 USDOriginal price$40.00 USD$40.00 USD - $40.00 USDCurrent price $40.00 USD| / -
Original price $5,128.00 USD - Original price $8,698.00 USDOriginal price$5,128.00 USD - $8,698.00 USD$5,128.00 USD - $8,698.00 USDCurrent price $5,128.00 USD| /
iOptron CEM120 Mount
Options availableFeatures A new design, center-balanced equatorial mount (CEM) for maximum payload with natural stability Observatory astrophotography mount ideal f...
View full detailsOriginal price $5,128.00 USD - Original price $8,698.00 USDOriginal price$5,128.00 USD - $8,698.00 USD$5,128.00 USD - $8,698.00 USDCurrent price $5,128.00 USD| / -
Original price $1,298.00 USD - Original price $2,888.00 USDOriginal price$1,298.00 USD - $2,888.00 USD$1,298.00 USD - $2,888.00 USDCurrent price $1,298.00 USD| /
iOptron CEM26 Mount
Options available1 variants in stockFeatures Unique design, center-balanced equatorial mount (CEM) for maximum payload and minimum mount weight Ideal for both visual observation and a...
View full detailsOriginal price $1,298.00 USD - Original price $2,888.00 USDOriginal price$1,298.00 USD - $2,888.00 USD$1,298.00 USD - $2,888.00 USDCurrent price $1,298.00 USD| /