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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 Counterweights

iOptron counterweights and shafts balance the telescope on iOptron equatorial mounts. Weights run from 1 kg for the SmartEQ and 1.35 kg, through 2 kg, 2.5 kg and 4.5 kg models for mounts from the CEM26 and GEM28 to the CEM40, GEM45 and CEM70, up to 10 kg for the CEM120, including a low-latitude version.

Counterweight bars and extensions fit the HEM27/HEM44, CEM26 and GEM28, ZEQ25/CEM25 and SGP/HAE mounts, plus a SkyTracker Pro counterweight package.

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$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
$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
iOptron Cube Counterweight shaft
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

iOptron Cube Counterweight shaft

IOP-8607

150mm (5.9 in.) Length 19mm (0.74 in.) Diameter M14 Female Thread Weight: 11 oz Description FAQ Specifications In the Box Warranty Cube C...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
iOptron ZEQ25/CEM25 Counterweight Shaft Extension Bar
$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00

iOptron ZEQ25/CEM25 Counterweight Shaft Extension Bar

IOP-7126

Extends Counterweight Shaft Length Increases Balancing Leverage Allows for Heavier Telescope Payloads Compatible with iOptron ZEQ25 Mounts Compati...

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$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00
iOptron 1kg Counterweight for SmartEQ
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

iOptron 1kg Counterweight for SmartEQ

IOP-3106-02

Weight: ~1 kg (2 lbs) Inner Diameter: 16.1 mm for SmartEQ shafts Outer Diameter: 78.6 mm Compatibility: iOptron SmartEQ & SmartEQ-Pro Mounts ...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
iOptron Counterweight Shaft for iOptron SGP and HAE Mounts
$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

iOptron Counterweight Shaft for iOptron SGP and HAE Mounts

IOP-P-SGP-CWS

200mm (7.875 in.) extended length Standard 20mm (0.79 in.) diameter Fits iOptron SkyGuider Pro and HAE mounts Dual 3/8"-16 threads for extension I...

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$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00
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
iOptron Counterweight Shaft Extension Bar for CEM26 & GEM28
$32.00 - $32.00
$32.00
$32.00 - $32.00
$32.00

iOptron Counterweight Shaft Extension Bar for CEM26 & GEM28

IOP-8457
1 in stock

Extends Counterweight Shaft Length Designed for iOptron CEM26 and GEM28 Mounts Enables Balancing of Heavier or Longer Telescopes Reduces the Need ...

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$32.00 - $32.00
$32.00
$32.00 - $32.00
$32.00
iOptron 10kg Counterweight for CEM120 (Low Latitude)
$228.00 - $228.00
$228.00
$228.00 - $228.00
$228.00

iOptron 10kg Counterweight for CEM120 (Low Latitude)

IOP-7326LL

10kg Counterweight Designed for iOptron CEM120 Mounts Optimized for use at latitudes below 10° Prevents collision with tripod or pier legs OEM iOp...

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$228.00 - $228.00
$228.00
$228.00 - $228.00
$228.00
iOptron HAZ46 Counterweight Shaft & Adapter
$145.00 - $145.00
$145.00
$145.00 - $145.00
$145.00

iOptron HAZ46 Counterweight Shaft & Adapter

IOP-8459

Enables counterweight use on the iOptron HAZ46 mount Improves balance for heavy or long optical tubes Reduces strain on the strain wave drive syst...

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$145.00 - $145.00
$145.00
$145.00 - $145.00
$145.00