---
product_id: 236437856
title: "1.25-inch 5X Barlow Lens & Moon Filter Kit-for Telescope Eyepieces"
brand: "starboosa"
price: "¥6647"
currency: JPY
in_stock: true
reviews_count: 13
category: "Starboosa"
url: https://www.desertcart.jp/products/236437856-1-25-inch-5x-barlow-lens-and-moon-filter-kit
store_origin: JP
region: Japan
---

# Moon filter for glare reduction Universal M42 thread for SLR & telescopes 5X magnification boost 1.25-inch 5X Barlow Lens & Moon Filter Kit-for Telescope Eyepieces

**Brand:** starboosa
**Price:** ¥6647
**Availability:** ✅ In Stock

## Summary

> 🌌 Elevate Your Stargazing Game — Don’t Just Watch the Sky, Own It!

## Quick Answers

- **What is this?** 1.25-inch 5X Barlow Lens & Moon Filter Kit-for Telescope Eyepieces by starboosa
- **How much does it cost?** ¥6647 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/236437856-1-25-inch-5x-barlow-lens-and-moon-filter-kit)

## Best For

- starboosa enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Precision CNC-machined metal body with anti-rust coating ensures durability for countless starry nights.
- • **Zoom Into the Cosmos:** Amplify your telescope’s power with a true 5X Barlow lens for jaw-dropping planetary detail.
- • **Seamless Compatibility:** Fits all 1.25-inch eyepieces and works flawlessly with top brands like Celestron, Orion, and Sky-Watcher.
- • **Crystal Clear Lunar Views:** Moon filter cuts glare and boosts contrast, revealing the moon’s hidden textures like never before.
- • **Ready for Astrophotography:** Universal M42 thread lets you connect your SLR camera effortlessly for stunning celestial shots.

## Overview

The Starboosa 1.25-inch 5X Barlow Lens & Moon Filter Kit is a premium telescope accessory set designed to enhance magnification by 2.5 times and improve lunar observation by reducing glare. Compatible with most 1.25-inch eyepieces and major telescope brands, it features precision CNC-machined metal construction with anti-rust treatment and a universal M42 thread for easy SLR camera attachment, making it ideal for both visual astronomy and astrophotography.

## Description

b>Starboosa 5X Barlow Lens & Moon Filter Kit for closer observation of the moon's surface and other planets.b> Feature: 5x Barlow lens has a magnification of 2.5 times in the actual measurement Equipped with a moon filter to eliminate the exposure and get a more detailed image of the moon. Suitable for any astronomical telescope eyepiece with 1.25 inch interface. Universal M42 thread connection, you can also connect an SLR camera. Connect one end to the T-ring, then the SLR, and finally the entire assembly to the astronomical telescope to begin photography. It works with Celestron, Orion, Sky-Watcher, Meade and most telescope brands. Package Include: 1 x 1.25"Barlow lens 5x 1 x Moon filter A great Halloween birthday christmas gift !! Specifications: Material: Metal + optical glass Color: black Thread: M42*0.75 thread interface Thread Size: M42 * 0.75 thread pitch Magnification: 5X Lens coating: Multi layer broadband coating Net weight：89g/3.1oz Package Weight:114.5g/4oz Package Size:10*5.8*5.5cm/3.9*2.2*2.1in Packing List: 1*5X Barlow Lens 1*moon filter

Review: Stargazing is Amazing - A Must-Have Accessory for Any Stargazer – Elevates Your Telescope Experience! I recently purchased the Starboosa 1.25-Inch 5X Barlow Lens & Moon Filter Kit for Telescope Eyepieces, and I can confidently say it’s one of the best additions I’ve made to my astronomy setup! As an avid stargazer, I’m always on the lookout for accessories that can enhance my viewing experience without breaking the bank, and this kit absolutely delivers on both quality and value. First Impressions and Build Quality Right out of the box, I was impressed with the sturdy construction of both the 5X Barlow lens and the moon filter. The Barlow lens feels solid in hand, with a sleek black finish and clear labeling that reads "5X Barlow Lens – Fully Multi-Coated." The moon filter also has a premium feel, with a threaded design that makes it easy to attach. Both pieces are made to fit standard 1.25-inch telescope eyepieces, which is perfect for my setup (I use a Celestron telescope, for reference). The packaging was secure, and everything arrived in pristine condition, which is always a plus when ordering delicate optical equipment. Performance – Barlow Lens The 5X Barlow lens is the star of this kit (pun intended)! For those unfamiliar, a Barlow lens increases the magnification of your eyepiece by the stated factor—in this case, 5X. I paired this with my 10mm eyepiece, which normally gives me a decent view, and the Barlow transformed it into the equivalent of a 2mm eyepiece, providing incredible magnification. I was able to get jaw-dropping views of Jupiter’s cloud bands and even spotted some of its moons with stunning clarity. The fully multi-coated optics really shine here, as I noticed minimal light loss and no noticeable chromatic aberration, which can sometimes be an issue with lower-quality Barlows. The image remained sharp and bright, even at higher magnifications, which is a testament to the quality of the lens. One thing to note: because this is a 5X Barlow, it does significantly increase magnification, so you’ll need a steady mount and good seeing conditions to get the most out of it. On nights with a bit of atmospheric turbulence, I found it better to switch to a lower-power eyepiece, but that’s more about my telescope’s limitations than the Barlow itself. Performance – Moon Filter The moon filter included in this kit is a game-changer for lunar observation. Without a filter, the moon can be overwhelmingly bright, especially during a full moon, which washes out details like craters and maria. This filter screws easily onto the bottom of my eyepiece, and the difference was immediate. It reduces glare and enhances contrast, allowing me to see fine details on the lunar surface that I’d never noticed before. I spent an entire evening exploring the Sea of Tranquility and the craters along the terminator line, and the experience was nothing short of magical. The filter has a neutral density, which means it doesn’t tint the moon in an unnatural way—just pure, crisp, detailed views. Ease of Use Attaching both the Barlow lens and moon filter to my telescope was a breeze. The Barlow lens slides into the telescope’s focuser (or diagonal, depending on your setup), and then you insert your eyepiece into the Barlow. The moon filter screws onto the threaded end of your eyepiece before you insert it into the focuser or Barlow. It took me less than a minute to set up, and everything fit snugly with no wobbling or misalignment. The 1.25-inch size is standard for most beginner and intermediate telescopes, so compatibility shouldn’t be an issue for most users. Value for Money This kit is an absolute steal for the price. You’re essentially getting two high-quality accessories—a 5X Barlow lens and a moon filter—for the cost of what some brands charge for just one of these items. The fact that it’s an desertcart’s Choice product and has over 100 purchases in the past month speaks to its popularity, and I can see why. It’s a fantastic option for beginners looking to expand their telescope’s capabilities or for seasoned astronomers who want a reliable, budget-friendly addition to their collection. Final Thoughts The Starboosa 1.25-Inch 5X Barlow Lens & Moon Filter Kit has truly elevated my stargazing experience. Whether I’m zooming in on distant planets with the Barlow or marveling at the moon’s intricate details with the filter, this kit has made every night under the stars more enjoyable. The build quality, optical performance, and ease of use are all top-notch, and I can’t recommend it enough to anyone looking to get more out of their telescope. If you’re on the fence, don’t hesitate—this kit is worth every penny and then some. I’m already looking forward to my next clear night to explore more of the cosmos with this fantastic accessory!
Review: Great buy! - Great price and works FANTASTIC! A full moon seen thru a telescope is painful. This filter works flawlessly.

## Features

- Barlow lens & moon filter, which are indispensable for astronomical telescopes, improve the working efficiency of eyepieces and expand the eyepiece magnification of 1.25-inch telescope to 2.5 times.
- 5x Barlow lens has a magnification of 2.5 times in the actual measurement.
- Works with telescopes from Celestron, Skywatcher, Mead, Orion, and most brands.
- Universal M42 thread connection, you can also connect an SLR camera. Connect one end to the T-ring, then the SLR, and finally the entire assembly to the astronomical telescope to begin photography.
- Both the 5x Barlow lens and Moon Filter frame are processed by precision CNC. The anti-rust surface treatment is suitable for long-term use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08GKM1FYJ |
| Best Sellers Rank | #3 in Telescope Barlow Lenses |
| Customer Reviews | 4.4 4.4 out of 5 stars (316) |
| Date First Available | August 24, 2020 |
| Item Weight | 3.17 ounces |
| Item model number | SB-0215a |
| Manufacturer | starboosa |
| Product Dimensions | 1.25 x 1 x 0.01 inches |

## Product Details

- **Brand:** starboosa
- **Compatible Devices:** Camera, telescope
- **Eye Piece Lens Description:** Barlow
- **Focal Length Description:** Multiplicative
- **Focus Type:** Manual Focus
- **Item Weight:** 0.09 Kilograms
- **Model Name:** RM
- **Objective Lens Diameter:** 32 Millimeters
- **Product Dimensions:** 5"D x 4"W x 4"H
- **Telescope Mount Description:** Tripod Mount

## Images

![1.25-inch 5X Barlow Lens & Moon Filter Kit-for Telescope Eyepieces - Image 1](https://m.media-amazon.com/images/I/61ZyVInqBvL.jpg)

## Available Options

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

## Questions & Answers

**Q: Will this Barlow lens work on the National Geographic cf700sm telescope**
A: yes ,sure.you can use it

## Customer Reviews

### ⭐⭐⭐⭐⭐ Stargazing is Amazing
*by T***E on April 2, 2025*

A Must-Have Accessory for Any Stargazer – Elevates Your Telescope Experience! I recently purchased the Starboosa 1.25-Inch 5X Barlow Lens & Moon Filter Kit for Telescope Eyepieces, and I can confidently say it’s one of the best additions I’ve made to my astronomy setup! As an avid stargazer, I’m always on the lookout for accessories that can enhance my viewing experience without breaking the bank, and this kit absolutely delivers on both quality and value. First Impressions and Build Quality Right out of the box, I was impressed with the sturdy construction of both the 5X Barlow lens and the moon filter. The Barlow lens feels solid in hand, with a sleek black finish and clear labeling that reads "5X Barlow Lens – Fully Multi-Coated." The moon filter also has a premium feel, with a threaded design that makes it easy to attach. Both pieces are made to fit standard 1.25-inch telescope eyepieces, which is perfect for my setup (I use a Celestron telescope, for reference). The packaging was secure, and everything arrived in pristine condition, which is always a plus when ordering delicate optical equipment. Performance – Barlow Lens The 5X Barlow lens is the star of this kit (pun intended)! For those unfamiliar, a Barlow lens increases the magnification of your eyepiece by the stated factor—in this case, 5X. I paired this with my 10mm eyepiece, which normally gives me a decent view, and the Barlow transformed it into the equivalent of a 2mm eyepiece, providing incredible magnification. I was able to get jaw-dropping views of Jupiter’s cloud bands and even spotted some of its moons with stunning clarity. The fully multi-coated optics really shine here, as I noticed minimal light loss and no noticeable chromatic aberration, which can sometimes be an issue with lower-quality Barlows. The image remained sharp and bright, even at higher magnifications, which is a testament to the quality of the lens. One thing to note: because this is a 5X Barlow, it does significantly increase magnification, so you’ll need a steady mount and good seeing conditions to get the most out of it. On nights with a bit of atmospheric turbulence, I found it better to switch to a lower-power eyepiece, but that’s more about my telescope’s limitations than the Barlow itself. Performance – Moon Filter The moon filter included in this kit is a game-changer for lunar observation. Without a filter, the moon can be overwhelmingly bright, especially during a full moon, which washes out details like craters and maria. This filter screws easily onto the bottom of my eyepiece, and the difference was immediate. It reduces glare and enhances contrast, allowing me to see fine details on the lunar surface that I’d never noticed before. I spent an entire evening exploring the Sea of Tranquility and the craters along the terminator line, and the experience was nothing short of magical. The filter has a neutral density, which means it doesn’t tint the moon in an unnatural way—just pure, crisp, detailed views. Ease of Use Attaching both the Barlow lens and moon filter to my telescope was a breeze. The Barlow lens slides into the telescope’s focuser (or diagonal, depending on your setup), and then you insert your eyepiece into the Barlow. The moon filter screws onto the threaded end of your eyepiece before you insert it into the focuser or Barlow. It took me less than a minute to set up, and everything fit snugly with no wobbling or misalignment. The 1.25-inch size is standard for most beginner and intermediate telescopes, so compatibility shouldn’t be an issue for most users. Value for Money This kit is an absolute steal for the price. You’re essentially getting two high-quality accessories—a 5X Barlow lens and a moon filter—for the cost of what some brands charge for just one of these items. The fact that it’s an Amazon’s Choice product and has over 100 purchases in the past month speaks to its popularity, and I can see why. It’s a fantastic option for beginners looking to expand their telescope’s capabilities or for seasoned astronomers who want a reliable, budget-friendly addition to their collection. Final Thoughts The Starboosa 1.25-Inch 5X Barlow Lens & Moon Filter Kit has truly elevated my stargazing experience. Whether I’m zooming in on distant planets with the Barlow or marveling at the moon’s intricate details with the filter, this kit has made every night under the stars more enjoyable. The build quality, optical performance, and ease of use are all top-notch, and I can’t recommend it enough to anyone looking to get more out of their telescope. If you’re on the fence, don’t hesitate—this kit is worth every penny and then some. I’m already looking forward to my next clear night to explore more of the cosmos with this fantastic accessory!

### ⭐⭐⭐⭐⭐ Great buy!
*by C***R on November 11, 2025*

Great price and works FANTASTIC! A full moon seen thru a telescope is painful. This filter works flawlessly.

### ⭐⭐⭐⭐⭐ Good product
*by A***H on November 25, 2025*

Works great

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-27*