---
product_id: 387689629
title: "SVBONYSV161 1.25 inch Double Helical Focuser High Precision for Telescope Finder Guidescope with Brass Compression Ring"
brand: "svbony"
price: "€ 114.95"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/387689629-svbonysv161-1-25-inch-double-helical-focuser-high-precision-telescope
store_origin: SK
region: Slovakia
---

# 0.05mm accuracy High precision Durable metal SVBONYSV161 1.25 inch Double Helical Focuser High Precision for Telescope Finder Guidescope with Brass Compression Ring

**Brand:** svbony
**Price:** € 114.95
**Availability:** ✅ In Stock

## Summary

> 🔍 Focus on the stars, not the hassle!

## Quick Answers

- **What is this?** SVBONYSV161 1.25 inch Double Helical Focuser High Precision for Telescope Finder Guidescope with Brass Compression Ring by svbony
- **How much does it cost?** € 114.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/387689629-svbonysv161-1-25-inch-double-helical-focuser-high-precision-telescope)

## Best For

- svbony enthusiasts

## Why This Product

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

## Key Features

- • **Robust Build:** Crafted from full metal for unmatched durability and longevity.
- • **Fixed Orientation:** No rotation of cameras or eyepieces, ensuring a stable field of view.
- • **Versatile Interfaces:** Compatible with multiple thread sizes for diverse telescope setups.
- • **Precision Engineering:** Experience pinpoint accuracy with a focusing stroke of just 10mm.
- • **Seamless Compatibility:** Easily integrates with StarShoot autoguider and 1.25 inch eyepieces.

## Overview

The SVBONYSV161 Double Helical Focuser is a high-precision accessory designed for telescope finder guidescopes. With a durable full metal construction, it features a focusing accuracy of 0.05mm and a stroke of 10mm, ensuring a stable and precise viewing experience. Its versatile interfaces allow for easy attachment to various telescopes and accessories, making it an essential tool for any astronomy enthusiast.

## Description

SVBONYSV161 1.25 inch Double Helical Focuser High Precision for Telescope Finder Guidescope with Brass Compression Ring

## Features

- Double helical focuser was made by full metal durable the one side is 23/16-24TPI male thread ;Aother side is M42x0.75 male thread; There are male T thread flange (M42x0.75) and Accesory collar thumbscrews on the other side that you can install StarShoot autoguider or 1.25 inch eyepiece
- 23/16-24TPI to convertor for telescopes;interface 23/16-24TPI Male thread; 1.25 inch with M48x0.75 male thread
- High precision double helical focuser for guider scope finder scope interface;the solution for telescopes or telephoto lenses with sluggish focusing; the focuser has a fixed orientation so there is no rotation of mounted cameras or eyepieces or also the field of view with your guide star when focusing
- Accuracy 0.05mm;focusing stroke is 10mm;minimum length is 43mm;longest length 53mm
- Interface;1.25 inch with M42x0.75 male thread;primary mirror interfaces

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Finderscope | Reflex |
| Compatible Devices | telescope |
| Eye Piece Lens Description | Helical |
| Mount | Altazimuth Mount |
| Focus Type | Fixed Focus |
| Item Weight | 170 Grams |
| Objective Lens Diameter | 53 Millimeters |
| Item Dimensions D x W x H | 2.5"D x 1.8"W x 2.2"H |

## Product Details

- **Brand:** SVBONY
- **Model Name:** SV161
- **Eye Piece Lens Description:** Helical
- **Objective Lens Diameter:** 53 Millimeters
- **Telescope Mount Description:** Altazimuth Mount
- **Product Dimensions:** 2.5"D x 1.8"W x 2.2"H
- **Focus Type:** Fixed Focus
- **Power Source:** Manual
- **Finderscope:** Reflex
- **Item Weight:** 170 Grams

## Images

![SVBONYSV161 1.25 inch Double Helical Focuser High Precision for Telescope Finder Guidescope with Brass Compression Ring - Image 1](https://m.media-amazon.com/images/I/61FaT+Q3i-S.jpg)
![SVBONYSV161 1.25 inch Double Helical Focuser High Precision for Telescope Finder Guidescope with Brass Compression Ring - Image 2](https://m.media-amazon.com/images/I/61KOFeOKc2S.jpg)
![SVBONYSV161 1.25 inch Double Helical Focuser High Precision for Telescope Finder Guidescope with Brass Compression Ring - Image 3](https://m.media-amazon.com/images/I/71rZKO49SkL.jpg)
![SVBONYSV161 1.25 inch Double Helical Focuser High Precision for Telescope Finder Guidescope with Brass Compression Ring - Image 4](https://m.media-amazon.com/images/I/61evDjdAeES.jpg)
![SVBONYSV161 1.25 inch Double Helical Focuser High Precision for Telescope Finder Guidescope with Brass Compression Ring - Image 5](https://m.media-amazon.com/images/I/61CpDkRfJ5L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sk/products/387689629-svbonysv161-1-25-inch-double-helical-focuser-high-precision-telescope](https://www.desertcart.sk/products/387689629-svbonysv161-1-25-inch-double-helical-focuser-high-precision-telescope)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-24*