---
product_id: 659646909
title: "Telescope Focus Mask, 120 to 160mm Provide The Best Focus Acrylic Anti Slip Bahtinov Mask for Reflector"
brand: "generic"
price: "¥6103"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/659646909-telescope-focus-mask-120-to-160mm-provide-the-best-focus
store_origin: JP
region: Japan
---

# Telescope Focus Mask, 120 to 160mm Provide The Best Focus Acrylic Anti Slip Bahtinov Mask for Reflector

**Brand:** generic
**Price:** ¥6103
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Telescope Focus Mask, 120 to 160mm Provide The Best Focus Acrylic Anti Slip Bahtinov Mask for Reflector by generic
- **How much does it cost?** ¥6103 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/659646909-telescope-focus-mask-120-to-160mm-provide-the-best-focus)

## Best For

- generic enthusiasts

## Why This Product

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

## Description

1. Wide Applications: Works with all types of telescopes, mirrors, refractors, for Dobsonians, for Mak Cas and for , all you need to do is measure your telescope tube size and choose the appropriate mask size.2. Good Functions: The mask takes the guesswork out of focusing and even overcomes conditions to give your telescope the best focus quickly and easily.3. Metal Posts: The mask grips the telescope tube gently and firmly with three metal posts. These metal posts come with scratch resistant silicone covers to your telescope . This prevents slippage while keeping the mask perfectly centered.4. Post Installation and Lightweight Design: Thanks to this 3 post mount, the mask remains centered while fitting a wider range of telescopes. The bahtinov focus mask for telescopes is lightweight so you won't upset the balance of the scope.5. Applicable Size: The outer diameter of the bahtinov mask supports the telescope objective lens in the range of 120 to 160mm (there is a 1?2mm error in manual measurement).Specification:Item Type: Telescope Focus MaskMaterial: AcrylicThickness: Approx. 2mm / 0.08inColor: As Pictures ShownWeight: Approx. 46g / 1.6ozThe Outer Diameter Size Range of the Telescope Objective Lens Is Supported: Approx. 120-160mm / 4.7-6.3in (there is an error of 1-2mm in manual measurement)packing list:1 x Bahtinov Mask3 x Mounting Accessories

## Features

- Good Functions: The mask takes the guesswork out of focusing and even overcomes conditions to give your telescope the best focus quickly and easily.
- Metal Posts: The mask grips the telescope tube gently and firmly with three metal posts. These metal posts come with scratch resistant silicone covers to your telescope . This prevents slippage while keeping the mask perfectly centered.
- Applicable Size: The outer diameter of the bahtinov mask supports the telescope objective lens in the range of 120 to 160mm (there is a 1‑2mm error in manual measurement).
- Wide Applications: Works with all types of telescopes, mirrors, refractors, for Dobsonians, for Mak Cas and for , all you need to do is measure your telescope tube size and choose the appropriate mask size.
- Post Installation and Lightweight Design: Thanks to this 3 post mount, the mask remains centered while fitting a wider range of telescopes. The bahtinov focus mask for telescopes is lightweight so you won't upset the balance of the scope.

## Product Details

- **Brand:** Generic
- **Model name:** Genericug3kinr5vc
- **Objective lens diameter:** 120 Millimeters
- **Product dimensions:** 17D x 16W x 1H centimeters
- **Focus type:** Manual Focus

## Images

![Telescope Focus Mask, 120 to 160mm Provide The Best Focus Acrylic Anti Slip Bahtinov Mask for Reflector - Image 1](https://m.media-amazon.com/images/I/71kzoFoXQtL.jpg)
![Telescope Focus Mask, 120 to 160mm Provide The Best Focus Acrylic Anti Slip Bahtinov Mask for Reflector - Image 2](https://m.media-amazon.com/images/I/61HDyEI1v7L.jpg)
![Telescope Focus Mask, 120 to 160mm Provide The Best Focus Acrylic Anti Slip Bahtinov Mask for Reflector - Image 3](https://m.media-amazon.com/images/I/71yj1GzvjAL.jpg)
![Telescope Focus Mask, 120 to 160mm Provide The Best Focus Acrylic Anti Slip Bahtinov Mask for Reflector - Image 4](https://m.media-amazon.com/images/I/71ycqruq96L.jpg)
![Telescope Focus Mask, 120 to 160mm Provide The Best Focus Acrylic Anti Slip Bahtinov Mask for Reflector - Image 5](https://m.media-amazon.com/images/I/71BJ7IQchxL.jpg)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-22*