--- product_id: 468906643 title: "Lightdow 420-800mm f/8.3 Manual Telephoto Zoom Lens with T-Mount for Canon EF/EF-S (Rebel T8i/T7/T6/T5/T4i/T3i, 250D, 6D, 5D, etc.)" brand: "lightdow" price: "8216587₫" currency: VND in_stock: true reviews_count: 11 category: "Lightdow" url: https://www.desertcart.vn/products/468906643-lightdow-420-800mm-f-8-3-manual-telephoto-zoom-lens store_origin: VN region: Vietnam --- # 420-800mm super telephoto zoom Fully manual focus & exposure control UMC multi-coating reduces flare & aberrations Lightdow 420-800mm f/8.3 Manual Telephoto Zoom Lens with T-Mount for Canon EF/EF-S (Rebel T8i/T7/T6/T5/T4i/T3i, 250D, 6D, 5D, etc.) **Brand:** lightdow **Price:** 8216587₫ **Availability:** ✅ In Stock ## Summary > 📸 Zoom beyond limits, focus on your masterpiece! ## Quick Answers - **What is this?** Lightdow 420-800mm f/8.3 Manual Telephoto Zoom Lens with T-Mount for Canon EF/EF-S (Rebel T8i/T7/T6/T5/T4i/T3i, 250D, 6D, 5D, etc.) by lightdow - **How much does it cost?** 8216587₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/468906643-lightdow-420-800mm-f-8-3-manual-telephoto-zoom-lens) ## Best For - lightdow enthusiasts ## Why This Product - Trusted lightdow brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Zoom Into the Details:** Versatile 420-800mm focal range captures distant subjects with clarity. - • **Canon EF/EF-S Compatible:** Seamlessly fits a wide range of Canon DSLRs for professional flexibility. - • **Flare-Free Shots Every Time:** Advanced UMC multi-coating minimizes glare and chromatic aberrations. - • **Master the Art of Manual Focus:** Precision large focus ring for ultimate creative control. - • **Unlock Your Photography Potential:** Manual aperture and exposure settings refine your skills and artistic vision. ## Overview The Lightdow 420-800mm f/8.3 Manual Telephoto Zoom Lens is a specialized, fully manual lens designed for Canon EF/EF-S mount cameras. Offering a powerful super-telephoto zoom range with precise manual focus and UMC multi-coating, it’s perfect for capturing distant wildlife, moon shots, and architectural details. Ideal for photography enthusiasts eager to elevate their craft through hands-on control and creative experimentation. ## Description Shop Lightdow 420-800mm f/8.3 Manual Telephoto Zoom Lens with T-Mount for Canon EF/EF-S (Rebel T8i/T7/T6/T5/T4i/T3i, 250D, 6D, 5D, etc.). Free delivery and returns on eligible orders. Review: Lightdow 420-800mm - This lens is great for the money. At full extension you will need a very steady hand, or better still a tripod. Review: Very reasonable price - Good quality at a very reasonable price. ## Features - 【Important Usage Notes】⚠ This is a fully manual lens with no electronic contacts. After attaching the lens, switch your camera to ​Manual (M) mode​ to avoid "no lens" errors. If the error persists, enable ​​"Release shutter without lens"​​ in your camera menu (commonly found on Nikon/Sony models). - 【Professional Manual Focus Experience】Ideal for enthusiasts who enjoy full creative control. This 420-800mm f/8.3 lens requires manual adjustment of shutter speed, ISO, and focus – helping refine your photography skills and unlock artistic potential through a hands-on approach. - 【Super Telephoto Zoom Performance】A specialised full-frame zoom lens with a adapter ring. Features include precise manual focusing with a large focus ring, internal focus mechanism, and UMC multi-coating to reduce flare and aberrations. Aperture automatically adjusts with focal length (f/8.3 at 420mm to f/16 at 800mm). Accepts 62mm filters. - 【Compatible with Canon EF/EF-S Mount】Works with a wide range of Canon DSLRs including: Rebel series: T8i, T7i, T7, T6, T5i, T4i, T3i, SL3, SL2, etc. EOS models: 90D, 80D, 77D, 6D Mark II, 6D, 5D Mark IV, 5D Mark III, and others. - 【Ideal for Distant Subject Photography】Perfect for capturing the moon, wildlife, birds, architecture, aircraft, and landscapes. Note: As a manual lens, the aperture is not set by the camera and may display as "F--" or "F00" – this is normal. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00VZYR6UC | | Best Sellers Rank | 24,115 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 218 in Camera Lenses | | Box Contents | lens body, lens bag, lens front & back cover | | Brand Name | lightdow | | Camera Lens | 420-800mm | | Colour | For Canon EF/EF-S DSLR | | Compatible Camera Models | Canon EOS 7D-6D-5D Mark II/6D/5DS R/5D Mark IV-III, Canon EOS 90D/80D/77D/70D/60D/50D/40D/30D/20D/10D, Canon EOS Rebel T1i/XSi/XS/SL3/SL2/SL1/XTi/XT/T100, Canon EOS Rebel T8i-7i/T7-6-5-3/T6i-5i/T4i-3i-2i, Canon EOS-1D X Mark III-II/1Ds Mark III-II | | Compatible Devices | Canon EOS Rebel 4000D 2000D 1300D 1200D, Canon EOS Rebel 850D 800D 600D 550D 500D, Canon EOS Rebel 90D 80D 70D 60D 50D, Canon EOS Rebel T3 T3i T4 T4i T5 T5i T6 T6i T7 T7i, Canon EOS Rebel T8i | | Compatible Mountings | Canon EF, Canon EF-S | | Country of Origin | China | | Customer Reviews | 4.1 4.1 out of 5 stars (679) | | Exposure Control Type | Manual | | Fixed Focal Length | 800 Millimetres | | Focus Type | Manual Focus | | Image Stabilization Type | Digital | | Item Type Name | Telephoto lens. | | Lens Coating Description | HD Coating | | Lens Design | Zoom | | Lens Mount | Canon EF, Canon EF-S | | Lens Type | Telephoto | | Light Sensitivity | Manual | | Manufacturer | lightdow | | Manufacturer Part Number | KD-420800-T-N | | Maximum Aperture | 8.3 f | | Maximum Focal Length | 800 Millimeters | | Media Type | ProductImage | | Minimum Aperture | 16 f | | Minimum Focal Length | 420 Millimeters | | Model Name | EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens | | Model Number | KD-420800-T-N | | Photo Filter Size | 67 Millimeters | | Real Angle Of View | 5 Degrees | | Shooting Modes | Manual | | Water Resistance Level | Not Water Resistant | | Zoom Ratio | 1.9:1 | ## Product Details - **Brand:** lightdow - **Camera lens description:** 420-800mm - **Compatible mountings:** Canon EF, Canon EF-S - **Focal length description:** 800 millimeters - **Focus type:** Manual Focus - **Lens design:** Zoom - **Lens type:** Telephoto - **Lens-fixed focal length:** 800 Millimetres - **Maximum focal length:** 800 Millimeters - **Minimum focal length:** 420 Millimeters ## Images ![Lightdow 420-800mm f/8.3 Manual Telephoto Zoom Lens with T-Mount for Canon EF/EF-S (Rebel T8i/T7/T6/T5/T4i/T3i, 250D, 6D, 5D, etc.) - Image 1](https://m.media-amazon.com/images/I/61Nyq0-fEEL.jpg) ## Questions & Answers **Q: Why can't my camera press the shutter after installation?** A: This is a full manual focus lens, no electric contacts, your camera will not detect the lens when mounted, switch camera to M mode and then you can press the shutter and take photo. **Q: Why does my picture seem to be blurry, out of focus?** A: Fine tune the front focusing ring to make your target in focus. **Q: How to do if the image turns out dark?** A: Increase the ISO and decrease the shutter speed. If the image turns out too bright, reverse the above steps. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Lightdow 420-800mm *by G***T on 28 March 2026* This lens is great for the money. At full extension you will need a very steady hand, or better still a tripod. ### ⭐⭐⭐⭐ Very reasonable price *by M***N on 17 March 2026* Good quality at a very reasonable price. ### ⭐⭐⭐⭐⭐ Canon lens *by P***L on 21 April 2025* Excellent ## Frequently Bought Together - EF/EF-S 420-800mm F/8.3 Telephoto Zoom Lens - Manual DSLR Cameras Lenses+ T-Mount for Canon EOS Rebel T8i/T7i/T7/T6s/T6i/T6/T5i/T5/T4i/T3i/T3/T2i/T1i/250D/750D/760D/1200D/1300D/2000D/4000D/6D/5D - Endurax 60'' Camera Tripod Camera Stand for Canon Rebel Eos Nikon DSLR, Travel Tripods for Phone Tablet with Remote Black - 58MM 0.43x Altura Photo Professional HD Wide Angle Lens (w/Macro Portion) for Canon EOS 70D 77D 80D 90D Rebel T8i T7 T7i T6i T6s T6 SL2 SL3 DSLR Cameras --- ## 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.vn/products/468906643-lightdow-420-800mm-f-8-3-manual-telephoto-zoom-lens](https://www.desertcart.vn/products/468906643-lightdow-420-800mm-f-8-3-manual-telephoto-zoom-lens) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-23*