# Barlow lens Tele Vue BLW-2125 2× for 1.25-inch eyepieces

**URL:** https://aio.lv/en/product--oem-blw-2125--11131796
**Data updated:** 2026-02-25 16:40 (EET)
**Category:** Telescopes
**Manufacturer:** OEM
**Manufacturer code:** BLW-2125
**EAN:** 0410000032213
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 171.49 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 141.73 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oem-blw-2125--11131796

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Tele Vue BLW-2125 is a 2× Barlow lens designed for 1.25-inch eyepieces. It doubles the effective focal length of compatible eyepieces, increasing magnification for planetary, lunar and deep-sky observing. The compact accessory attaches between the eyepiece and focuser, preserving image quality while offering greater viewing detail and flexibility in framing targets.

## Long description

Tele Vue BLW-2125 is a 2× Barlow lens engineered for use with 1.25-inch eyepieces. Designed to double the effective focal length of a compatible eyepiece, this compact optical accessory increases magnification for planetary, lunar and deep-sky observing while fitting between the focuser and the eyepiece. The unit is intended to preserve image quality and maintain parfocal characteristics with many eyepieces, providing increased flexibility in framing and higher-resolution views without changing primary optics.
Advantages
The Barlow lens offers a simple way to increase magnification without requiring additional eyepieces. Its 2× power reliably doubles the apparent magnification of compatible 1.25-inch eyepieces while minimizing introduced aberrations. The compact construction keeps the optical path short and maintains mechanical stability in the focuser. Because it is placed between the eyepiece and focuser, the accessory retains the user's existing eyepiece collection and allows quick changes in effective focal length.
Suitable for
Planetary observing where higher magnification reveals surface detail
Lunar observing to increase resolution on craters and maria
Deep-sky targets when additional magnification is needed for small galaxies or planetary nebulae
Astrophotography setups that use 1.25-inch eyepiece projection or visual back adapters
Observers who want to extend the usable range of their eyepiece set without buying extra eyepieces
Key specifications
Magnification factor: 2×
Designed for eyepieces with 1.25-inch (31.7 mm) barrel diameter
Compact inline design that mounts between focuser and eyepiece
Optical construction optimized to preserve image quality and minimize aberrations
Maintains parfocality with many eyepiece designs
How to use
Insert the Barlow lens into the focuser or visual back, then seat a 1.25-inch eyepiece into the Barlow's eyepiece holder and secure it with the eyepiece clamp. Focus as usual with the telescope focuser; the Barlow doubles the effective focal length so you may need to adjust focus slightly compared with using the eyepiece alone. For parfocal eyepieces, final focus adjustments are typically small. When switching magnifications, remove or install the Barlow while the telescope is pointed safely away from bright light sources.
Usage recommendations
Use the Barlow with eyepieces appropriate for your telescope's aperture and atmospheric seeing conditions; on nights of poor seeing very high effective magnification may reduce image contrast. For best results, pair the 2× Barlow with eyepieces that have good optical correction and sufficient eye relief. Secure mounting and gentle handling will help maintain collimation and image quality.

## FAQ

### How much does the Barlow lens Tele Vue BLW-2125 2× 1.25" cost, and is it available for purchase?

The price is 171.49 € (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 14.07.2026 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 Barlow lens Tele Vue BLW-2125 2× 1.25" 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 OEM 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 OEM 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/11131796/66727650_large.webp