# Laser collimator Yermos Kolimator laserowy DO-GSO

**URL:** https://aio.lv/en/product--yermos-id-02958--12050176
**Data updated:** 2026-03-12 19:33 (EET)
**Category:** Telescopes
**Manufacturer:** Yermos
**Manufacturer code:** ID-02958
**EAN:** 5901691606593
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 73.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 60.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--yermos-id-02958--12050176

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Laser collimator Yermos Kolimator laserowy DO-GSO is an alignment tool for optical systems. It emits a laser beam to assess and adjust telescope or lens collimation, helping align mirrors and optical axes. Suitable for hobbyist and amateur telescope maintenance, optical setup verification, and quick on-site alignment checks.

## Long description

The Yermos Kolimator laserowy DO-GSO is a compact laser collimator designed for checking and adjusting the alignment of optical systems. It projects a precise laser beam that helps identify misalignments in telescopes and other instruments with reflective or refractive optical paths. The device is intended for quick verification of optical axes and mirror centring, allowing users to perform fast, repeatable collimation checks without complex tools.
Advantages
The collimator provides a stable, well-defined beam that simplifies identification of decentre and tilt in optical components. Its compact form factor and straightforward operation make it suitable for use in the field or a home workshop. The tool reduces the need for trial-and-error adjustments and supports repeatable alignment procedures for both primary and secondary mirrors or lens assemblies.
Suitable for
Amateur and hobbyist telescope maintenance and setup
Quick on-site alignment checks of reflecting and refracting instruments
Verification of optical axes during mirror or lens installation
Routine inspection and adjustment before observation sessions
Key specifications
Laser output: visible red beam suitable for alignment tasks
Form factor: compact, handheld/insertable design for telescope focuser or holder
Beam quality: narrow, well-defined spot for precise centring
Power: low-power class suitable for alignment use (eye-safety practices required)
Operation: simple on/off control for quick checks
How to use
Insert the laser collimator into the telescope focuser or mount it in the appropriate holder so the beam is directed along the optical axis. Turn the device on and observe the beam position on the primary mirror or at the return point used for your collimation method. Adjust mirror tilt and centring screws or lens mounts until the beam aligns with the desired reference marks or the optical axis. Repeat the procedure as necessary to achieve concentricity and correct tilt.
Usage recommendations
Use the collimator in a dim environment to easily see the laser spot, and avoid pointing the beam at people or reflective surfaces. Follow standard eye-safety precautions when working with visible lasers. For the most reliable results, combine laser checks with visual inspection through a Cheshire or star test when possible.

## FAQ

### How much does the Laser collimator Yermos DO-GSO cost, and is it available for purchase?

The price is 73.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 16.07.2026 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 Laser collimator Yermos DO-GSO 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 Yermos 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 Yermos 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

## Image

https://aio.lv/img/cache/product/12050176/67536428_large.webp