# Counterweight rod Skywatcher SW-3999 adjustable length – counterweight accessory for telescope mounts

**URL:** https://aio.lv/en/product--skywatcher-sw-3999--11341844
**Data updated:** 2026-04-27 22:27 (EEST)
**Category:** Telescopes
**Manufacturer:** Skywatcher
**Manufacturer code:** SW-3999
**EAN:** 5901691607194
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 114.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 95.03 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--skywatcher-sw-3999--11341844

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.89 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Counterweight rod Skywatcher SW-3999 is an adjustable-length rod designed as a counterweight accessory for telescope mounts. It provides a secure mounting point for counterweights to balance optical tubes and accessories on equatorial or alt-azimuth mounts. Suitable for balancing payloads during astrophotography or visual observation, it improves tracking stability and reduces strain on mount gears.

## Long description

The Skywatcher SW-3999 counterweight rod is an adjustable-length accessory designed to provide a reliable mounting point for counterweights on telescope mounts. Made to work with a range of Skywatcher equatorial and alt-azimuth mounts, the rod helps balance optical tubes and additional accessories so the mount can track smoothly during visual observation or astrophotography. Its adjustable length enables fine tuning of the balance point, reducing unbalanced torque and stress on the mount's gears and motors.
Advantages
The adjustable design allows precise placement of counterweights to achieve optimal balance without modifying the telescope or accessories. Constructed for stable attachment to the mount, the rod resists flex and minimizes vibration transfer. By providing an extended mounting point, it makes it easier to balance heavier payloads and maintain tracking accuracy for long-exposure imaging. The accessory is compatible with common mounting interfaces used on Skywatcher mounts, simplifying installation and removal.
Suitable for
Balancing optical tubes and imaging gear on equatorial mounts
Balancing payloads on alt-azimuth mounts to reduce stress on bearings
Astrophotography setups requiring precise counterweight placement for long exposures
Visual observing with additional accessories such as guide scopes or heavy eyepieces
When it may not be suitable
The counterweight rod is intended as an accessory to provide additional or extended counterweight mounting; it is not a primary structural element of the mount and should not be used to carry loads beyond the mount manufacturer's stated capacity. If a mount already provides adequate balance without extension or if a custom counterweight bar with unconventional interface dimensions is required, this specific rod may not be the best match.
Key specifications
Adjustable length for fine-tuning balance point
Designed for use with Skywatcher equatorial and alt-azimuth mounts
Stable attachment to standard counterweight mounting interface
Suitable for supporting counterweights and balancing additional accessories
How to use
Attach the rod to the mount's designated counterweight mounting point following the mount manufacturer's instructions. Slide counterweights onto the rod and secure them with the locking collars or screws provided with the weights. Adjust the rod length and the position of the counterweights until the optical tube and accessories are balanced about the mount's right ascension or altitude axis. Verify smooth manual motion and, if applicable, test the mount's tracking and guiding performance before beginning long-exposure imaging.
What to consider before purchase
Confirm compatibility with your specific Skywatcher mount model and its counterweight interface
Check the total payload and ensure the mount's capacity is not exceeded when using additional counterweights
Verify the required length range to balance your particular optical tube and accessories
Usage recommendations
Use the rod together with appropriate counterweights sized for your payload; tighten all locks and test balance on both axes before operating motors or starting imaging sessions. For heavy setups, re-check balance after any configuration change to avoid excess strain on mount components.

## FAQ

### How much does the Counterweight rod Skywatcher SW-3999 cost, and is it available for purchase?

The price is 114.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 03.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Counterweight rod Skywatcher SW-3999 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Skywatcher products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Skywatcher service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty