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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

iOptron Mount Accessories

iOptron mount accessories keep iOptron mounts balanced, aligned and connected. The collection covers counterweights from 1 kg for the SmartEQ to 10 kg for the CEM120, counterweight shafts and extension bars, and a Vixen/Losmandy dual dovetail saddle.

For control and alignment, there are Go2Nova handsets, a GPS module for the CEM26, GEM28, CEM40 and GEM45, an iStarFi Wi-Fi adapter for the CEM40 and GEM45, an LED for the AccuAlign polar scope, and star knobs.

Filters

$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00

iOptron 5kg Counterweight for iEQ45, CEM40, GEM45, CEM60 and CEM70

IOP-8027

Weight: 5 kg (11 lbs) Shaft Compatibility: 28.5 mm inner diameter Compatible Mounts: iEQ45, CEM40, GEM45, CEM60, CEM70 Locking Mechanism: M8 Locki...

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$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00
$95.00 - $95.00
$95.00
$95.00 - $95.00
$95.00

iOptron 4.5kg Counterweight for iEQ30, ZEQ25, CEM25 and CEM40

IOP-3006-10

4.5kg (approx. 10 lbs) Weight Fits 20mm Diameter Counterweight Shafts Official Accessory for iEQ30, ZEQ25, and CEM25 Mounts Required for Balancing...

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$95.00 - $95.00
$95.00
$95.00 - $95.00
$95.00
$159.00 - $159.00
$159.00
$159.00 - $159.00
$159.00

iOptron 9.5kg Counterweight for iEQ45, CEM60 and CEM70

IOP-7226
2 in stock

9.5 kg (20.9 lbs) Counterweight Balances Heavy Telescope & Imaging Payloads Compatible with iOptron iEQ45, CEM40, GEM45, CEM60, & CEM70 Mo...

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$159.00 - $159.00
$159.00
$159.00 - $159.00
$159.00
$42.00 - $42.00
$42.00
$42.00 - $42.00
$42.00

iOptron 1.35kg Counterweight

IOP-8605
2 in stock

1.35 kg (3 lb.) Weight For 20mm Diameter Counterweight Shafts 20.5 mm Inner Diameter Bore Compact 79 mm Outer Diameter Description FAQ Specific...

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$42.00 - $42.00
$42.00
$42.00 - $42.00
$42.00
$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00

iOptron 2kg Counterweight for CEM26, GEM28 and AZ mount Pro

IOP-3006-05

2 kg (4.5 lbs.) weight for precise balancing Fits 20mm diameter counterweight shafts Official accessory for iOptron CEM26, GEM28, and AZ Mount Pro...

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$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00
$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00

iOptron 2.5kg Counterweight for iEQ45, CEM40, GEM45, CEM60 and CEM70

IOP-8027-05

2.5 kg (5.5 lbs.) weight for precise balancing Fits 28.5 mm (1.12 in.) diameter counterweight shafts Compatible with iEQ45, CEM40, GEM45, CEM60, a...

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$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00
$25.00 - $25.00
$25.00
$25.00 - $25.00
$25.00

iOptron RS232-RJ9 Serial Cable

IOP-8412

Connects PC RS232 Serial Port to an iOptron Mount Enables Direct Mount Control via ASCOM Required for Mount and Hand Controller Firmware Updates S...

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$25.00 - $25.00
$25.00
$25.00 - $25.00
$25.00
$135.00 - $135.00
$135.00
$135.00 - $135.00
$135.00

iOptron iStarFi Wi-Fi Adapter for CEM40/GEM45

IOP-7434

Wireless Mount Control for CEM40/GEM45 Mounts Supports 802.11b/g/n Wi-Fi Protocol Access Point (AP) and Station (STA) Modes ASCOM and SkySafari Pr...

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$135.00 - $135.00
$135.00
$135.00 - $135.00
$135.00
$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00

iOptron Stainless Steel Extension Bar for CEM40/50/60/70/etc.

IOP-8026
1 in stock

Extends counterweight shaft length Increases counterweight leverage Allows for balancing heavier payloads with fewer weights Stainless steel const...

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$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00
$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

iOptron HEM27/HEM44 Counterweight Bar

IOP-8456SL

Official iOptron accessory for HEM series mounts Enables balancing of heavier telescope payloads Compatible with iOptron HEM27 and HEM44 mounts Fe...

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$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
$189.00 - $189.00
$189.00
$189.00 - $189.00
$189.00

iOptron 10kg Counterweight for CEM120

IOP-7326

10 kg (approx. 22 lbs) Weight Designed for iOptron CEM120 Mounts Ensures Proper Telescope Balance Improves Tracking Accuracy and Motor Longevity E...

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$189.00 - $189.00
$189.00
$189.00 - $189.00
$189.00
$238.00 - $238.00
$238.00
$238.00 - $238.00
$238.00

iOptron iPolar Electronic Polarscope

IOP-3339-034

Achieves polar alignment with 30 arcsecond resolution Wide 13° field of view for robust plate-solving Simple Mini USB 2.0 interface for power and ...

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$238.00 - $238.00
$238.00
$238.00 - $238.00
$238.00
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

iOptron USB to RS232 converter

IOP-8435
2 in stock

Connects iOptron mounts with RS232 ports to modern computers via USB Enables firmware updates for hand controllers and main boards Allows for dire...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
iOptron iPolar Internal Electronic Polar Scope for CEM26/GEM28/SkyGuider Pro Mounts
$218.00 - $218.00
$218.00
$218.00 - $218.00
$218.00

iOptron iPolar Internal Electronic Polar Scope for CEM26/GEM28/SkyGuider Pro Mounts

IOP-3339R

Internal design for CEM26, GEM28, and SkyGuider Pro mounts Achieves polar alignment with 30 arcsecond resolution 13° wide field of view camera Sof...

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$218.00 - $218.00
$218.00
$218.00 - $218.00
$218.00
iOptron AccuAlign TM Polar Scope for CEM/SkyGuider/SkyTracker Series
$85.00 - $85.00
$85.00
$85.00 - $85.00
$85.00

iOptron AccuAlign TM Polar Scope for CEM/SkyGuider/SkyTracker Series

IOP-3330

Enables Fast and Accurate Polar Alignment Essential for Long-Exposure Astrophotography Reduces Field Rotation for Sharp Stars Designed for iOptron...

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$85.00 - $85.00
$85.00
$85.00 - $85.00
$85.00
iOptron Polar Scope for SmartEQ
$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00

iOptron Polar Scope for SmartEQ

IOP-3130

Enables Precise Polar Alignment Designed Specifically for the iOptron SmartEQ Mount Essential for Long-Exposure Astrophotography Improves GoTo Poi...

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$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00
iOptron Illuminating LED for CEM26/GEM28 AccuAlign Polar Scope
$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

iOptron Illuminating LED for CEM26/GEM28 AccuAlign Polar Scope

IOP-3334

Official accessory for iOptron CEM26 and GEM28 mounts Illuminates the AccuAlign polar scope reticle Enables fast and accurate polar alignment in t...

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$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00
iOptron SkyTracker Ball Head
$65.00 - $65.00
$65.00
$65.00 - $65.00
$65.00

iOptron SkyTracker Ball Head

IOP-3305A

Designed for iOptron SkyTracker and SkyGuider Pro Mounts Provides Full Azimuth and Altitude Pointing Freedom Enables Framing of Any Celestial Obje...

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$65.00 - $65.00
$65.00
$65.00 - $65.00
$65.00
$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00

iOptron 3330-SGP

IOP-3330-SGP

$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00
iOptron AccuAlign TM Polar Scope for HST MiniTracker
$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00

iOptron AccuAlign TM Polar Scope for HST MiniTracker

IOP-3330-HST
1 in stock

Enables Precise Polar Alignment Designed Specifically for the HST MiniTracker Features an Intuitive Etched Reticle Dramatically Speeds Up Field Se...

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$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00
iOptron SkyTracker Pro Counterweight Package (3324)
$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00

iOptron SkyTracker Pro Counterweight Package (3324)

IOP-3324
1 in stock

Enables balancing of heavier camera and lens combinations Improves tracking accuracy by reducing motor strain Attaches directly to the iOptron Sky...

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$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00
$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

iOptron Polar Scope Mounting Bracket for PST Micro Tracker

IOP-3340-PST

Enables Precise Polar Alignment Designed for the iOptron PST Micro Tracker (#3680) Compatible with AccuAlign (#3330-HST) Polar Scopes Compatible w...

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$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00
iOptron Ball Head Top Plate
$16.00 - $16.00
$16.00
$16.00 - $16.00
$16.00

iOptron Ball Head Top Plate

IOP-3308

Adapts Vixen-Style Dovetail Bars to Photographic Ball Heads Enables Mounting of Small Telescopes or Lenses on Camera Tripods Creates a Lightweight...

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$16.00 - $16.00
$16.00
$16.00 - $16.00
$16.00
iOptron Polar Scope Kit for GEM28
$129.00 - $129.00
$129.00
$129.00 - $129.00
$129.00

iOptron Polar Scope Kit for GEM28

IOP-G2833

Optical Polar Alignment Accessory for iOptron GEM28 Mounts Enables Fast, Computer-Free Setup Illuminated Reticle for Easy Sighting of Polaris Idea...

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$129.00 - $129.00
$129.00
$129.00 - $129.00
$129.00