---
product_id: 298191204
title: "Sky-Watcher Sky-Watcher EvoGuide 50DX – 50mm Guide Scope APO Doublet Refractor – Lightweight Guide Scope – Easy Mounting – 50mm Astrograph"
brand: "sky-watcher"
price: "€ 757.25"
currency: EUR
in_stock: true
reviews_count: 8
category: "Sky Watcher"
url: https://www.desertcart.com.cy/products/298191204-sky-watcher-sky-watcher-evoguide-50dx-50mm-guide-scope-apo
store_origin: CY
region: Cyprus
---

# 50mm APO doublet lens f/4.8 fast focal ratio dual mounting adapters Sky-Watcher Sky-Watcher EvoGuide 50DX – 50mm Guide Scope APO Doublet Refractor – Lightweight Guide Scope – Easy Mounting – 50mm Astrograph

**Brand:** sky-watcher
**Price:** € 757.25
**Availability:** ✅ In Stock

## Summary

> 🔭 Elevate your night sky game with precision that’s out of this world!

## Quick Answers

- **What is this?** Sky-Watcher Sky-Watcher EvoGuide 50DX – 50mm Guide Scope APO Doublet Refractor – Lightweight Guide Scope – Easy Mounting – 50mm Astrograph by sky-watcher
- **How much does it cost?** € 757.25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/298191204-sky-watcher-sky-watcher-evoguide-50dx-50mm-guide-scope-apo)

## Best For

- sky-watcher enthusiasts

## Why This Product

- Trusted sky-watcher brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fast f/4.8 Astrograph:** Low focal length and built-in T-threads enable quick, high-contrast imaging with optional adapters.
- • **Lightweight & Compact:** Only 2.7 lbs and 10 inches long—perfect for portable astrophotography without the bulk.
- • **Versatile Mount Anywhere:** Includes machined aluminum finder stalk & V-style rail for seamless integration with all Sky-Watcher setups.
- • **Pinpoint Precision Optics:** Expertly matched ED glass delivers coal-black skies and razor-sharp star images for flawless guiding.
- • **Pro-Grade Guiding Performance:** Reduces guiding star size by 3x, dramatically improving auto-guiding accuracy and astrophotography results.

## Overview

The Sky-Watcher EvoGuide 50DX is a premium 50mm apochromatic doublet refractor designed for astrophotography guiding and lightweight imaging. Featuring expertly matched ED glass, a fast f/4.8 focal ratio, and dual mounting options, it delivers sharp, high-contrast views and dramatically improved guiding accuracy. Compact and lightweight, it’s compatible with all Sky-Watcher mounts and supports T-thread adapters for versatile astrograph use, making it a top choice for serious amateur astronomers seeking professional-grade performance.

## Description

Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. The EvoGuide 50 DX provides users with an easy, lightweight guidescope for astrophotography, while delivering dramatic, coal-black skies and faithful, contrast-rich views those in need of a fast, low-focal length astrograph. Sky-Watcher Evostar refractors are the logical choice for the discriminating amateur astronomer looking for an investment in advanced instrumentation for exceptional viewing and astrophotography. The EvoGuide 50 DX includes a V-style mounting rail and a refractor-style finder stalk compatible with all Sky-Watcher optical tubes.

Review: Great guild scope and occasional imaging telescope. - I got this for a guild scope, but it also works great with the Starzona field flattener for a lightweight imaging telescope. I found a 3D printed setup that clamps the scope and holds the mini computer, guild scope, and EAF focuser. There is a lot of backlash with the focuser, and I haven't gotten auto focus to work with this scope yet. There isn't enough backfocus adjustments to use with a star diagonal. I have also used it for electronically assisted astronomy with a camera attached, and with my ASIair for a go-to visual astronomy.
Review: Outstanding, pin point stars for guiding. - Solid high quality, total value, absolute top shelf, light years above the other popular name brands. I've got 4 other guide scopes, the Sky Watcher just made them nearly obsolete with Pin Point stars! My guiding star size got reduced by 3 times, the auto multiple star guide picked out a dozen stars and that's twice as much as my best night with the other 4 guide scopes. I use a ASI 120MM and a ASI 220MM, both had sharp stars to the edge, without optional reducer. My guiding total error dropped dramatically compared to my other 50MM & 30MM scopes! All of the above totally justified the price. The Vixen base and spacer is solid aluminum, but you lose that weight when you attach the finder scope base. Understand that naturally there is some slop in the focus ring, as with most every focus ring, similar to gear back lash, but once you tighten the focus lock screw, it holds! All 5 stars, my only disappointment is I should've purchased a long time ago and not messed with other Z-brand, S-brand or E-brand guide scopes. I rarely write reviews, but this guide scope earned it.

## Features

- EXPERTLY MATCHED GLASS: This small, lightweight 50mm f/4.8 Apochromatic Doublet refractor uses expertly matched ED glass to deliver dramatic, coal-black skies and faithful, contrast-rich views
- MOUNT ANYWHERE: The EvoGuide 50 DX includes two mounting adapters: a machined aluminum finder stalk compatible with all Sky-Watcher finder brackets, and a V-style mounting rail
- 242mm FOCAL LENGTH, f/4.8, 1.25” helical focuser, finder stalk, Vixen-style mounting plate, prime focus ring
- BUILT-IN T-THREADS: By using an optional adapter (not included), the EvoGuide 50 DX will turn into a fast, low-focal length astrograph

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0915HDN8W |
| Best Sellers Rank | #2,435 in Camera & Photo Products ( See Top 100 in Camera & Photo Products ) #181 in Telescope Refractors |
| Brand | Sky-Watcher |
| Built-In Media | Finder Stalk, Refractor OTA, Tube Rings, V-style Dovetail |
| Coating | Fully Coated |
| Compatible Devices | Guide Cameras, Smartphones |
| Customer Reviews | 4.7 out of 5 stars 57 Reviews |
| Exit Pupil Diameter | 10.42 Millimeters |
| Eye Piece Lens Description | Removable |
| Field Of View | 1.1 Degrees |
| Finderscope | Reflex |
| Focal Length Description | 242 millimeters |
| Focus Type | Auto Focus |
| Global Trade Identification Number | 00050234111744 |
| Item Dimensions D x W x H | 8.75"D x 2.5"W x 2.5"H |
| Item Type Name | Sky-Watcher EvoGuide 50DX – 50mm Guide Scope APO Doublet Refractor – Lightweight Guide Scope 50mm Astrograph |
| Item Weight | 2.7 Pounds |
| Manufacturer | Sky-Watcher |
| Model Name | EvoGuide 50DX Guide Scope Doublet APO Refractor |
| Mount | Guide Scope Ring Mount |
| Objective Lens Diameter | 50 Millimeters |
| Optical Tube Length | 10 Inches |
| Optical-Tube Length | 10 Inches |
| Telescope Mount Description | Guide Scope Ring Mount |
| UPC | 050234111744 |
| Warranty Description | 2 years |
| Zoom Ratio | 50 multiplier x |

## Product Details

- **Brand:** Sky-Watcher
- **Eye Piece Lens Description:** Removable
- **Finderscope:** Reflex
- **Focus Type:** Auto Focus
- **Item Weight:** 2.7 Pounds
- **Model Name:** EvoGuide 50DX Guide Scope Doublet APO Refractor
- **Objective Lens Diameter:** 50 Millimeters
- **Optical Tube Length:** 10 Inches
- **Product Dimensions:** 8.75"D x 2.5"W x 2.5"H
- **Telescope Mount Description:** Guide Scope Ring Mount

## Images

![Sky-Watcher Sky-Watcher EvoGuide 50DX – 50mm Guide Scope APO Doublet Refractor – Lightweight Guide Scope – Easy Mounting – 50mm Astrograph - Image 1](https://m.media-amazon.com/images/I/61fEH3ltYdL.jpg)
![Sky-Watcher Sky-Watcher EvoGuide 50DX – 50mm Guide Scope APO Doublet Refractor – Lightweight Guide Scope – Easy Mounting – 50mm Astrograph - Image 2](https://m.media-amazon.com/images/I/710jHEEGxNL.jpg)
![Sky-Watcher Sky-Watcher EvoGuide 50DX – 50mm Guide Scope APO Doublet Refractor – Lightweight Guide Scope – Easy Mounting – 50mm Astrograph - Image 3](https://m.media-amazon.com/images/I/71DOBv6isGL.jpg)
![Sky-Watcher Sky-Watcher EvoGuide 50DX – 50mm Guide Scope APO Doublet Refractor – Lightweight Guide Scope – Easy Mounting – 50mm Astrograph - Image 4](https://m.media-amazon.com/images/I/71N0aByRGPL.jpg)
![Sky-Watcher Sky-Watcher EvoGuide 50DX – 50mm Guide Scope APO Doublet Refractor – Lightweight Guide Scope – Easy Mounting – 50mm Astrograph - Image 5](https://m.media-amazon.com/images/I/71N0q0kE3dL.jpg)

## Questions & Answers

**Q: What size is its image circle?**
A: The illuminated field for the EVOGuide 50DX is 28mm.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great guild scope and occasional imaging telescope.
*by A***R on October 15, 2025*

I got this for a guild scope, but it also works great with the Starzona field flattener for a lightweight imaging telescope. I found a 3D printed setup that clamps the scope and holds the mini computer, guild scope, and EAF focuser. There is a lot of backlash with the focuser, and I haven't gotten auto focus to work with this scope yet. There isn't enough backfocus adjustments to use with a star diagonal. I have also used it for electronically assisted astronomy with a camera attached, and with my ASIair for a go-to visual astronomy.

### ⭐⭐⭐⭐⭐ Outstanding, pin point stars for guiding.
*by T***. on January 31, 2025*

Solid high quality, total value, absolute top shelf, light years above the other popular name brands. I've got 4 other guide scopes, the Sky Watcher just made them nearly obsolete with Pin Point stars! My guiding star size got reduced by 3 times, the auto multiple star guide picked out a dozen stars and that's twice as much as my best night with the other 4 guide scopes. I use a ASI 120MM and a ASI 220MM, both had sharp stars to the edge, without optional reducer. My guiding total error dropped dramatically compared to my other 50MM & 30MM scopes! All of the above totally justified the price. The Vixen base and spacer is solid aluminum, but you lose that weight when you attach the finder scope base. Understand that naturally there is some slop in the focus ring, as with most every focus ring, similar to gear back lash, but once you tighten the focus lock screw, it holds! All 5 stars, my only disappointment is I should've purchased a long time ago and not messed with other Z-brand, S-brand or E-brand guide scopes. I rarely write reviews, but this guide scope earned it.

### ⭐⭐⭐⭐ Surprisingly good for astrophotography, but tricky to focus
*by D***Y on November 25, 2024*

This little scope is surprisingly good for wide field astrophotography, but the field flattener (optional) is definitely required. I would give it five stars except that the focus mechanism (rather crude helix device) is (wow) not at all smooth turning to get really fine focus. You turn it one way a bit, then to fine focus back you have to turn several times to take up the "slack" in the crude system. You may have to do this back and forth several times to find optimal focus. But for astrophotography (at infinity) I generally only have to do this little struggle one time at the start of the evening. After that, it stays in focus for hours. Except for the tricky focus it is a fine little wide-field astrograph.

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-01-30*