--- product_id: 192924260 title: "Variable Extension Camera Adapter for Canon DSLR Eyepiece | Wide Field Viewing; Multi-Coated Optics; Comfortable Eye Relief" brand: "starboosa" price: "¥13719" currency: JPY in_stock: true category: "Starboosa" url: https://www.desertcart.jp/products/192924260-variable-extension-camera-adapter-for-canon-dslr-eyepiece-wide-field store_origin: JP region: Japan --- # Supports eyepieces up to 38mm for detailed lunar shots Variable extension for zoomable astrophotography Multi-coated optics for crisp, clear images Variable Extension Camera Adapter for Canon DSLR Eyepiece | Wide Field Viewing; Multi-Coated Optics; Comfortable Eye Relief **Brand:** starboosa **Price:** ¥13719 **Availability:** ✅ In Stock ## Summary > 🌌 Capture the universe like a pro — don’t just watch the stars, own them! ## Quick Answers - **What is this?** Variable Extension Camera Adapter for Canon DSLR Eyepiece | Wide Field Viewing; Multi-Coated Optics; Comfortable Eye Relief by starboosa - **How much does it cost?** ¥13719 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/192924260-variable-extension-camera-adapter-for-canon-dslr-eyepiece-wide-field) ## 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 - • **Zoom Into the Cosmos:** Adjustable extension tube lets you capture everything from wide-field nebulae to moon craters with precision. - • **Comfortable Eye Relief:** Designed for extended viewing sessions without eye strain, perfect for late-night stargazing marathons. - • **Versatile Shooting Modes:** Supports prime focus and eyepiece projection photography, unlocking creative freedom for every celestial subject. - • **Universal Canon Compatibility:** Seamlessly connects with all Canon DSLR and SLR bodies for effortless astrophotography setup. - • **Crystal-Clear Multi-Coated Optics:** Enhanced lens coatings reduce glare and boost image clarity for professional-grade shots. ## Overview The Starboosa Variable Extension Camera Adapter is a precision-engineered accessory designed for Canon DSLR and SLR cameras, enabling astrophotographers to connect their cameras to telescopes with variable extension for zoomable, high-detail imaging. Featuring multi-coated optics and comfortable eye relief, it supports eyepieces up to 38mm and offers multiple shooting modes including prime focus and eyepiece projection, making it an essential tool for capturing stunning lunar and deep-sky photos. ## Description desertcart.com : Starboosa Variable Extension Camera Adapter for Canon DSLR Eyepiece | Wide Field Viewing; Multi-Coated Optics; Comfortable Eye Relief : Electronics ## Features - Variable Extension Telescope Camera Adapter with a T2-Ring attaches to all Canon SLR and DSLR camera bodies.(Tip: Mirrorless cameras are not suitable for use) - Easy-to-use,extendable camera adapter is designed to connect the camera body and telescope together,Eyepieces can be placed inside the extension tube of adapter to increase the detail and clarity of photography. - Essential accessory for anyone interested in astrophotography. It can be used for SLR camera prime focus photography and eyepiece projection photography. - Multiple shooting methods:The eyepiece can be fixed in the front cylinder to achieve a long focal length for small objects, such as photographing the moon crater. Using adapter without eyepieces is equivalent to using the focal length of a telescope,suitable for taking pictures of the entire moon, gas nebula, etc.(Choose: Full-Frame mirrorless camera adapter. Search its ASIN:B08LYP5YST) - Extension tube can accommodate eyepieces up to 38mm (1.49 "). After connecting the eyepieces, the distance between the front and rear can be adjusted to zoom in or out to obtain a zoomable image. It is recommended to use eyepieces, which can be fixed in the barrel, so the camera can get higher quality images. If there is a problem with the use, please contact us by mail and we will solve your problem in time.(Choose: Full-Frame mirrorless camera adapter. Search its ASIN:B08LYP5YST) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B083DDPN4W | | Additional Features | Astrophotography capabilities, variable extension, and multiple shooting methods | | Best Sellers Rank | #25 in Telescope Photo Adapters | | Brand | starboosa | | Compatible Devices | 1.25" Telescope Eyepiece Mount，reflector telescopes,refractor telescopes,Astronomical Telescope | | Customer Reviews | 4.3 4.3 out of 5 stars (152) | | Eye Piece Lens Description | Designed to improve photography quality | | Field Of View | 1.04 degrees | | Focal Length Description | 4.9 inches | | Focus Type | Manual Focus | | Item Dimensions D x W x H | 5"D x 5"W x 4"H | | Item Weight | 9.6 ounces | | Manufacturer | Starboosa | | Manufacturer Part Number | ST-31 | | Model Name | RM | | Mount | Altazimuth Mount | | Optical-Tube Length | 4.9 inches | | Power Source | Manual Winding | | UPC | 753326756969 | | Unit Count | 1 Count | | Zoom Ratio | 50 | ## Product Details - **Brand:** starboosa - **Compatible Devices:** 1.25" Telescope Eyepiece Mount，reflector telescopes,refractor telescopes,Astronomical Telescope - **Eye Piece Lens Description:** Designed to improve photography quality - **Focus Type:** Manual Focus - **Item Weight:** 9.6 ounces - **Model Name:** RM - **Optical Tube Length:** 4.9 inches - **Power Source:** Manual Winding - **Product Dimensions:** 5"D x 5"W x 4"H - **Telescope Mount Description:** Altazimuth Mount ## Images ![Variable Extension Camera Adapter for Canon DSLR Eyepiece | Wide Field Viewing; Multi-Coated Optics; Comfortable Eye Relief - Image 1](https://m.media-amazon.com/images/I/61OMZfwRblL.jpg) ![Variable Extension Camera Adapter for Canon DSLR Eyepiece | Wide Field Viewing; Multi-Coated Optics; Comfortable Eye Relief - Image 2](https://m.media-amazon.com/images/I/615YhnjkkgL.jpg) ![Variable Extension Camera Adapter for Canon DSLR Eyepiece | Wide Field Viewing; Multi-Coated Optics; Comfortable Eye Relief - Image 3](https://m.media-amazon.com/images/I/61jGFFWG6GL.jpg) ![Variable Extension Camera Adapter for Canon DSLR Eyepiece | Wide Field Viewing; Multi-Coated Optics; Comfortable Eye Relief - Image 4](https://m.media-amazon.com/images/I/61PRobbO0tL.jpg) ![Variable Extension Camera Adapter for Canon DSLR Eyepiece | Wide Field Viewing; Multi-Coated Optics; Comfortable Eye Relief - Image 5](https://m.media-amazon.com/images/I/514fL2VDPSL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Starboosa Variable Extension Telescope Camera Adapter - for Canon SLR Cameras Connected to Telescopes - for Prime- Focus Or Eyepiece-Projection Photography - Celestron 81055 Nexyz 3 Axis Universal Smartphone Adapter, Black - Celestron 94119-A 1.25" Moon Filter --- ## 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.jp/products/192924260-variable-extension-camera-adapter-for-canon-dslr-eyepiece-wide-field](https://www.desertcart.jp/products/192924260-variable-extension-camera-adapter-for-canon-dslr-eyepiece-wide-field) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-02*