--- product_id: 592092482 title: "EFTR-0.71X Lens Mount Adapter Speed Booster 0.71x Focal Reduction Lens Mount Converter Speedbooster for Canon EF Mount Lenses to Canon APS-C Cameras EOS R7 R10" brand: "meike" price: "NT$14880" currency: TWD in_stock: true category: "Meike" url: https://www.desertcart.tw/products/592092482-eftr-0-71x-lens-mount-adapter-speed-booster-0-71x store_origin: TW region: Taiwan --- # 0.71x focal length reduction +1 f-stop brightness boost metal mount with gasket adjustment EFTR-0.71X Lens Mount Adapter Speed Booster 0.71x Focal Reduction Lens Mount Converter Speedbooster for Canon EF Mount Lenses to Canon APS-C Cameras EOS R7 R10 **Brand:** meike **Price:** NT$14880 **Availability:** βœ… In Stock ## Summary > πŸ“Έ Elevate your Canon EF lenses to pro-level brilliance with Meike’s Speed Booster! ## Quick Answers - **What is this?** EFTR-0.71X Lens Mount Adapter Speed Booster 0.71x Focal Reduction Lens Mount Converter Speedbooster for Canon EF Mount Lenses to Canon APS-C Cameras EOS R7 R10 by meike - **How much does it cost?** NT$14880 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/592092482-eftr-0-71x-lens-mount-adapter-speed-booster-0-71x) ## Best For - meike enthusiasts ## Why This Product - Trusted meike brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Rugged & Ready:** Durable metal mount with water and dust resistance for on-the-go professionals. - β€’ **Compact Powerhouse:** 0.71x focal reducer shrinks focal length for wider framing on APS-C sensors. - β€’ **Custom Focus Precision:** Adjustable gasket lets you fine-tune focus distance for perfect clarity. - β€’ **Sharper, Brighter Shots:** Boost your lens aperture by 1 stop for stunning low-light and bokeh effects. - β€’ **Seamless Autofocus & Stabilization:** Full electronic contacts ensure smooth AF and vibration compensation. ## Overview The Meike EFTR-0.71X Speed Booster adapter converts Canon EF lenses for APS-C Canon EOS R7/R10 cameras, reducing focal length by 0.71x and increasing aperture by 1 stop. Featuring full electronic contacts for autofocus and image stabilization, a durable metal mount with water and dust resistance, and an adjustable gasket for precise focus calibration, this 166g adapter enhances image brightness, sharpness, and versatility for professional-grade photography. ## Description Buy Meike EFTR-0.71X Lens Mount Adapter Speed Booster 0.71x Focal Reduction Lens Mount Converter Speedbooster for Canon EF Mount Lenses to Canon APS-C Cameras EOS R7 R10: Adapters & Converters - desertcart.com βœ“ FREE DELIVERY possible on eligible purchases ## Features - Use this adapter when mount a EF series lens with Canon RF S35 movie camera or APS-C camera such as EOS R10 - Speedbooster lens mount adapter, can increase the lens 1 f-stop, increasing the amount of light into the virtual background, can better highlight the theme, features electronic contacts, support EF series lens auto focus and vibration compensation. - Mount adapter speed booster, allows the aperture to be increased by one stop while the focal length is reduced (Equivalent Focal Length = Focal Length x 0.71 x 1.6), increasing the lens' 1 f-stop, resulting in better bokeh in photos. - Gasket increase or decrease, after use, if the focus distance does not match after it is used with the lens, you can increase or decrease the gasket adjustment, the gasket needs to be placed flat, otherwise it will affect the picture quality. - The lens mount and camera mount of this adapter is made of metal, makes the item durable, waterdrop resistance and dust resistance, is easy carry when you outdoor shoot, product weight only 166g. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CJR6KFL3 | | Best Sellers Rank | #916 in Camera Lens Adapters & Converters | | Customer Reviews | 4.1 4.1 out of 5 stars (17) | | Date First Available | September 25, 2023 | | Item Weight | 10.2 ounces | | Item model number | MK-EFTR-0.71 | | Manufacturer | HK Meike | | Product Dimensions | 3.94 x 3.94 x 3.94 inches | ## Images ![EFTR-0.71X Lens Mount Adapter Speed Booster 0.71x Focal Reduction Lens Mount Converter Speedbooster for Canon EF Mount Lenses to Canon APS-C Cameras EOS R7 R10 - Image 1](https://m.media-amazon.com/images/I/61yxGTjkc3L.jpg) ## Frequently Bought Together - Meike EFTR-0.71X Lens Mount Adapter Speed Booster 0.71x Focal Reduction Lens Mount Converter Speedbooster for Canon EF Mount Lenses to Canon APS-C Cameras EOS R7 R10 - Canon EOS R7 Mirrorless Camera (Body Only), Hybrid Camera, 32.5 Megapixel (APS-C) CMOS Sensor, 4K Video, for Sports, Action, Content Creators, Vlogging Camera, Black - SmallRig R7 Cage for Canon R7, Aluminum Alloy R7 cage with Quick Release Plate for Arca Stand, Cold Shoe, NATO Rail and Threaded Holes, Formfitting Camera Cage Video Rig for Canon R7-4003 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/592092482-eftr-0-71x-lens-mount-adapter-speed-booster-0-71x](https://www.desertcart.tw/products/592092482-eftr-0-71x-lens-mount-adapter-speed-booster-0-71x) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-09-28*