---
product_id: 72019776
title: "1.25\" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope"
brand: "astromania"
price: "28.76 OMR"
currency: OMR
in_stock: true
url: https://www.desertcart.com.om/products/72019776-1-25-high-precision-double-helical-focuser-with-0-05mm
store_origin: OM
region: Oman
---

# 10mm stroke 1.25" interface 0.05mm accuracy 1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope

**Brand:** astromania
**Price:** 28.76 OMR
**Availability:** ✅ In Stock

## Summary

> 🔍 Focus on the Stars with Precision!

## Quick Answers

- **What is this?** 1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope by astromania
- **How much does it cost?** 28.76 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/72019776-1-25-high-precision-double-helical-focuser-with-0-05mm)

## 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

- • **Compact Design:** Minimum length of 46mm ensures easy transport without sacrificing performance.
- • **Fixed Orientation:** No rotation means your field of view stays stable while focusing on celestial wonders.
- • **Precision Focusing:** Achieve pinpoint accuracy with a 0.05mm scale for stellar clarity.
- • **Durable Construction:** Crafted from full metal for longevity and reliability in the field.
- • **Versatile Compatibility:** Seamlessly integrates with M42x0.75 and M31X0.5 threads for diverse setups.

## Overview

The Astromania 1.25" High Precision Double Helical Focuser is designed for telescope lenses and finder scopes, offering a robust solution for sluggish focusing. With a fixed orientation to maintain your field of view, this all-metal focuser features a 0.05mm accuracy and a focusing stroke of 10mm, making it an essential tool for any serious astronomer.

## Description

1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope

## Features

- For guider scope or finder scope interface; solution for telescopes or telephoto lenses with sluggish focusing; fixed orientation so no rotation of mounted cameras or eyepieces or field of view with guide star when focusing
- Upgrade R and P focuser by adding to the end of one focuser by using Astromania M42x0.75 Female to M42x0.75 Female Thread Telescope Adapter 9mm; please make sure that there is M42x0;75 male thread on R and P focuser
- Made by full metal; one side of double helical focuser is M31X0.5 male thread; 1.25 inch accessory collar with M42x0.75 male T-thread flangeand accesory collar thumbscrews on the other side that install StarShoot AutoGuider or 1.25 inch eyepiece
- Interface: 1.25 inch with M42x0.75 male thread; primary Mirror Interfaces: M31X0.5 or M42X0.75; include M31X0.5 female thread to M42x0.75 male thread Adapter which get M31X0.5 male thread or M42X0.75 male thread on this side
- Accuracy 0.05mm; focusing stroke: 10mm; minimum length: 46mm; longest length: 56mm

## Product Details

- **Brand:** Astromania
- **Eye Piece Lens Description:** Helical
- **Objective Lens Diameter:** 56 Millimeters
- **Telescope Mount Description:** Altazimuth Mount
- **Focus Type:** Fixed Focus
- **Finderscope:** Reflex
- **Item Weight:** 3.2 Ounces
- **Focal Length Description:** 9 millimeters
- **Field Of View:** 1.7 Degrees
- **Manufacturer:** Astromania

## Images

![1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope - Image 1](https://m.media-amazon.com/images/I/71Tfrvb5EaL.jpg)
![1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope - Image 2](https://m.media-amazon.com/images/I/81b-NOzWn-L.jpg)
![1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope - Image 3](https://m.media-amazon.com/images/I/81VrMX6+hjL.jpg)
![1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope - Image 4](https://m.media-amazon.com/images/I/81o76+JlqDL.jpg)
![1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope - Image 5](https://m.media-amazon.com/images/I/718j2s-elYL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- Astromania 1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope
- Astromania M42X0.75 Female to M42X0.75 Female Thread Telescope Adapter - 9mm
- SVBONY Telescope Accessories Focuser Adapter 1.25 inches Adapter M42X0.75 Reflector Telescope Eyepiece Adapter

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**Shop now:** [https://www.desertcart.com.om/products/72019776-1-25-high-precision-double-helical-focuser-with-0-05mm](https://www.desertcart.com.om/products/72019776-1-25-high-precision-double-helical-focuser-with-0-05mm)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-24*