# Reflector telescope Skywatcher SW-4023 16-inch Flex Tube

**URL:** https://aio.lv/en/product--skywatcher-sw-4023--11370978
**Data updated:** 2026-09-09 04:23 (EEST)
**Category:** Telescopes
**Manufacturer:** Skywatcher
**Manufacturer code:** SW-4023
**EAN:** 5901691602083
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 43.99 €
**Prices and availability valid until:** 2026-10-27 23:59
**Price without VAT (21%):** 36.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--skywatcher-sw-4023--11370978

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.10.2026 | free |
| Pickup points | 09.10.2026 | 1.99 EUR |
| Courier delivery to door | 09.10.2026 | 4.99 EUR |

## Summary description

Skywatcher Reflector telescope model SW-4023 with a 16-inch (406 mm) primary mirror and Flex Tube design. Intended for deep-sky observation and astrophotography, it offers large light-gathering capacity for viewing faint nebulae, galaxies and star clusters. The collapsible Flex Tube improves portability and storage while preserving optical alignment for field use and amateur observatories.

## Long description

The Skywatcher Reflector telescope SW-4023 16-inch Flex Tube is a high-performance astronomical instrument designed for advanced visual astronomy and serious deep-space observation. Featuring a substantial 16-inch primary mirror and an innovative collapsible truss tube architecture, this reflector telescope balances impressive light-gathering power with improved field transportability. It serves as an effective optical tool for exploring faint deep-sky objects such as distant galaxies, diffuse nebulae, and dense star clusters.
Advantages
The primary advantage of this 16-inch reflector telescope is its massive aperture, which collects a tremendous amount of light to reveal subtle details in faint celestial targets that smaller apertures cannot resolve. The patented Flex Tube collapsible design significantly reduces the physical length of the optical tube assembly, making it much easier to transport to dark-sky observation sites and store in compact spaces compared to traditional solid-tube Newtonian telescopes of the same class. Furthermore, the robust structural design maintains reliable optical alignment between setups, ensuring consistent image clarity and performance during field observations.
Suitable for
Observing faint deep-sky objects including distant galaxies and nebulae
Resolving globular and open star clusters with high clarity
Advanced visual amateur astronomy in dark-sky locations
Planetary and lunar observation under favorable seeing conditions
When it may not be suitable
This optical instrument is not ideal for casual backyard stargazing in heavily light-polluted urban environments without proper filtering or travel to dark sites. Due to its large physical size and substantial weight, it is generally unsuitable for users seeking a lightweight, highly portable setup that can be easily carried by a single person over long distances.
Key specifications
Reflector optical design for deep-sky observation
16-inch primary mirror diameter
406 mm aperture size
Collapsible Flex Tube mechanical structure
How to use
Begin by setting up the compatible mount on a stable, level surface outdoors in an area with a clear view of the night sky. Carefully mount the optical tube assembly securely onto the support structure. Allow sufficient time for the large primary mirror to thermally acclimate to the ambient outdoor temperature to prevent thermal currents that can degrade image sharpness. Unlock the collapsible Flex Tube truss poles and extend them fully into their locked operating positions. Insert a low-power eyepiece into the focuser to locate your target celestial object, then gradually switch to higher magnifications for detailed observation. Always perform manual adjustments smoothly and securely lock the components when tracking objects.
What to consider before purchase
Ensure you have adequate storage space for a large 16-inch optical tube
Verify that your vehicle can transport a telescope of this physical size and weight to observation sites
Consider the need for a robust, compatible mount capable of supporting a heavy Newtonian optical assembly
Factor in the requirement for regular optical alignment and mirror maintenance
Usage recommendations: For optimal viewing results, transport the telescope to a designated dark-sky location away from urban light pollution. Always handle the large primary mirror with extreme care and store the optical tube in a dry environment with dust caps securely attached to protect the optical surfaces.

## FAQ

### How much does the Reflector Skywatcher SW-4023 16-inch telescope cost, and is it available for purchase?

The price is 43.99 € (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 06.10.2026 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. All transactions are 100% secure and encrypted.

### 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

## Image

https://aio.lv/img/cache/product/11370978/65858407_large.webp