---
product_id: 273830520
title: "Astromania 21cm mounting Rail for EQ-4/5/6 mounts - GP Prism Rail for telescopes - Easy Installation for Your Telescope OTA"
brand: "astromania"
price: "₩82693"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/273830520-astromania-21cm-mounting-rail-for-eq-4-5-6-mounts
store_origin: KR
region: South Korea
---

# Universal Compatibility Easy Installation Durable Aluminium Astromania 21cm mounting Rail for EQ-4/5/6 mounts - GP Prism Rail for telescopes - Easy Installation for Your Telescope OTA

**Brand:** astromania
**Price:** ₩82693
**Availability:** ✅ In Stock

## Summary

> 🔭 Elevate Your Stargazing Experience!

## Quick Answers

- **What is this?** Astromania 21cm mounting Rail for EQ-4/5/6 mounts - GP Prism Rail for telescopes - Easy Installation for Your Telescope OTA by astromania
- **How much does it cost?** ₩82693 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/273830520-astromania-21cm-mounting-rail-for-eq-4-5-6-mounts)

## Best For

- astromania enthusiasts

## Why This Product

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

## Key Features

- • **Dual Tripod Threading:** Enhanced stability with 2x 1/4" threads for secure mounting.
- • **Seamless OTA Attachment:** Quickly mount your telescope with ease!
- • **Versatile Length Options:** Choose the perfect size for your setup.
- • **Robust Aluminium Construction:** Built to withstand the test of time and the elements.
- • **Universal Fit for Multiple Mounts:** Compatible with NEQ 3, NEQ 5, EQ 300, EQ 500, HEQ 5, EQ 6, and more!

## Overview

The Astromania 21cm Mounting Rail is a universal prism rail designed for GP profile mounts, crafted from durable aluminium. It allows for quick attachment of OTAs and is compatible with a wide range of telescope mounts, including NEQ and Celestron models. With drillings at both ends and dual 1/4" tripod threads in the middle, this rail ensures a secure and stable setup for your astronomical adventures.

## Description

21cm mounting Rail for EQ-4/5/6 mounts - GP Prism Rail for telescopes - Easy Installation for Your Telescope OTA

## Features

- Quick attachment of OTAs onto a mount.
- Universal prism rail made of aluminium for GP profile mounts.
- Suitable for NEQ 3, NEQ 5, EQ 300, EQ 500, HEQ 5, EQ 6, Celestron mounts, Vixen mounts and many others.
- Available in different lengths.
- Drillings at both ends, 2x 1/4" tripod thread in the middle.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07GRNT2Q4 |
| Best Sellers Rank | #481 in Telescope Photo Adapters |
| Customer Reviews | 4.1 4.1 out of 5 stars (14) |
| Date First Available | October 7, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 7 ounces |
| Item model number | SKU_AM_MR20 |
| Manufacturer | Astromania |
| Product Dimensions | 8.27 x 1.77 x 0.59 inches |

## Product Details

- **Brand:** Astromania
- **Eye Piece Lens Description:** Prism
- **Finderscope:** Reflex
- **Focus Type:** Manual Focus
- **Item Weight:** 0.2 Kilograms
- **Manufacturer:** Astromania
- **Model Name:** 21cm mounting Rail
- **Power Source:** Manual Operation
- **Telescope Mount Description:** Equatorial Mount

## Images

![Astromania 21cm mounting Rail for EQ-4/5/6 mounts - GP Prism Rail for telescopes - Easy Installation for Your Telescope OTA - Image 1](https://m.media-amazon.com/images/I/51pN022HjBL.jpg)

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**Shop now:** [https://www.desertcart.kr/products/273830520-astromania-21cm-mounting-rail-for-eq-4-5-6-mounts](https://www.desertcart.kr/products/273830520-astromania-21cm-mounting-rail-for-eq-4-5-6-mounts)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-20*