Sky-Watcher
Sky-Watcher EQ6-R Counterweights (S30101) $60.00
11 pound counterweight for the AZ-EQ5, EQ6 and EQ6-R mounts.
Sky-Watcher
Sky-Watcher Counterweight Kit (S20540) $50.00
Counterweight kit for Star Adventurer mount. This 2.2 (1 kg) counterweight and counterweight shaft set was designed for the Skywatcher Star Adventurer Multi-Function Mount. Adding this functional accessory lets you balance out the weight of your small telescope or heavy DSLR camera set-up. The Counterweight Kit comes with a 2.2 lb. counterweight, a stainless steel counterweight shaft, lock knob and counterweight safety stop.
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Celestron
Celestron Counterweight 17lbs for 19mm Sha... $175.95
Whether you are enhancing your mount setup or buying a replacement part, the counterweight is there to balance weight of the optical tube (OTA) and accessories on the other side of the Right Accession (RA Axis). If you add accessories to your telescope setup (ie camera, guider, etc), you may need to add additional counterweights to off-set the weight. Description If the balance is off on one-side or the other, it can do damage to your OTA and setup, the motor gear, and/or may have issues with tracking accuracy. You can add additional counterweights to improve the responsiveness to the...
Celestron
Celestron 12 lb Counterweight for 19mm sha... $80.95
Whether you are enhancing your mount setup or buying a replacement part, the counterweight is there to balance weight of the optical tube (OTA) and accessories on the other side of the Right Accession (RA Axis). If you add accessories to your telescope setup (ie camera, guider, etc), you may need to add additional counterweights to off-set the weight. Description If the balance is off on one-side or the other, it can do damage to your OTA and setup, the motor gear, and/or may have issues with tracking accuracy. You can add additional counterweights to improve the responsiveness to the...
iOptron
iOptron 5kg (11lb.) Counterweight For iEQ4... $99.99
5kg counterweight for iOptron mount. This CW is designed for following iOptron Mount: CEM70/CEM70EC/CEM70G CEM60/CEM60EC GEM45/GEM45EC/GEM45G CEM40/CEM40EC/CEM40G* (for late version with 28mm CW shaft) iEQ45 Pro iEQ45 Check your CEM40 mount CW shaft diameter before ordering. It can be used for other mount with a 28mm diameter counterweight shaft. Specifications Weight 5 kg (11 lbs.) Outer diameter 148 mm (5.8") Inner diameter 28.5 mm (1.12") Height 38 mm (1.5") Locking mechanism Locking screw with pin Locking screw thread size M8   Actual dimension, except inner diameter, may be different. Design may change without notice.
Sky-Watcher
Sky-Watcher Counterweight 3.56 Kg (S88030) $49.00
This 3.56 counterweight comes with a 12mm hole for mounting on the Counterweight Shaft 12mm. Can be used with Star Adventurer or Sky-Watcher AZ-GTi and AZ-GTi Equatorial mounts.
Celestron
Celestron Counterweight Shaft 12mm (93160) $39.95
This counterweight shaft has a 12mm threaded end (Fits the Sky-Watcher AZ-GTi mount) and accepts various counterweights with 12mm hole.
Sky-Watcher
Sky-Watcher AZ-EQ6 Counterweights (S30301) $60.00
11 pound counterweigh for the AZ-EQ6 Mount.
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iOptron
iOptron 9.5kg (21lb.) Counterweight For iE... $169.95
9.5kg counterweight for iOptron mount. This CW is designed for following iOptron Mount: CEM70/CEM70EC/CEM70G CEM60/CEM60EC GEM45/GEM45EC/GEM45G CEM40/CEM40EC/CEM40G* (for late version with 28mm CW shaft) iEQ45 Pro iEQ45 Check your CEM40 mount CW shaft diameter before ordering. It can be used for other mount with a 28mm diameter counterweight shaft. Specifications Weight 9.5 kg (21 lbs.) Outer diameter 148 mm (5.8") Inner diameter 28.5 mm (1.12") Height 75 mm (2.95") Locking mechanism Locking screw with pin Locking screw thread size M8   Actual dimension, except inner diameter, may be different. Design may change without notice.
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iOptron
iOptron 1.35kg (3lb.) Counterweight For Sk... $45.00
This new 1.35 kg (3 lb) counterweight is designed for SkyTracker Pro and SkyGuider pro counterweight package (#3324), as well as other iOptron mounts.  Description Compatible iOptron Mounts SkyGuider Pro SkyGuider CubePro Cube-A (Dual AltAz/EQ mounts)* Cube-G* Cube-E* CEM25/ZEQ25 iEQ30 Pro/iEQ30 CEM40/CEM40EC** (early version with 20mm diameter CW shaft) MiniTower/ II / Pro AZ Mount Pro * It works together with CW shaft (#8607) for Cube-A/G/E.** Check your CEM40/CEM40EC mount CW shaft diameter before ordering. Please Note: This counterweight replaces the iOptron 8606. The 8606 weighed 3.5 pounds, while the newer 8605 weighs 3 pounds. Other than the weight difference,...
iOptron
iOptron 2.5kg (5.5lb.) Counterweight For i... $69.99
2.55kg counterweight for iOptron mount. This CW is designed for following iOptron Mount: CEM70/CEM70EC/CEM70G CEM60/CEM60EC GEM45/GEM45EC/GEM45G CEM40/CEM40EC/CEM40G* (for late version with 28mm CW shaft) iEQ45 Pro iEQ45 Check your CEM40 mount CW shaft diameter before ordering. It can be used for other mount with a 28mm diameter counterweight shaft. Specifications Weight 2.5 kg (5.5 lbs.) Outer diameter 118 mm (4.6") Inner diameter 28.5 mm (1.12") Height 25 mm (1") Locking mechanism Locking screw with pin Locking screw thread size M8 Actual dimension, except inner diameter, may be different.
Sky-Watcher
Sky-Watcher AZ-EQ5 Counterweights (S30201) $60.00
7.5lb counterweirght for the AZ-EQ5, but will also work EQ6 and EQ6-R Mounts.
ADM Accessories
ADM Accessories DCW-D Series Counterweight... $119.00
DCW-D Series Counterweight with 5" Threaded Rod Description Fits D Series dovetail bars. Adds additional weight for balancing OTA’s. Split clamp design grips the dovetail bar along the entire surface of the saddle and will not dent or scratch the dovetail bar. The dovetail clamp has a large locking knob for tool free operation, spring loaded jaws, anodized aluminum and stainless steel construction. DPA- 2.5″ Long, 4″ Wide, .75″ Thick, Wt. 10 oz., Counterweight- 4″ Rounds, 1″ thick, 3.5 lbs. What's in the Box 1x DPA 1x 5″ Long 1/2×13 tpi threaded rod 1x 3.5lb Counterweight Mounting hardware
Sky-Watcher
Sky-Watcher EQ8-R Series Counterweight (S3... $200.00
Two 22 pound counterweights for EQ8-R series mounts.

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