---
product_id: 731649158
title: "Telephoto Lens 420-800mm, EF Lens for Canon DSLR, Manual Focus MF Zoom Lens for Canon EOS Rebel SL3 SL2 SL1 T8i T7i T7 T6 T6s T6i 4000D 1500D 90D 80D 77D 70D 60D 7D 6D 5D 1D DSLR Cameras"
brand: "benoison"
price: "฿12964"
currency: THB
in_stock: true
reviews_count: 7
category: "Benoison"
url: https://www.desertcart.co.th/products/731649158-telephoto-lens-420-800mm-ef-lens-for-canon-dslr-manual
store_origin: TH
region: Thailand
---

# 420-800mm super telephoto zoom Manual focus precision control EF/EF-S mount, no adapter needed Telephoto Lens 420-800mm, EF Lens for Canon DSLR, Manual Focus MF Zoom Lens for Canon EOS Rebel SL3 SL2 SL1 T8i T7i T7 T6 T6s T6i 4000D 1500D 90D 80D 77D 70D 60D 7D 6D 5D 1D DSLR Cameras

**Brand:** benoison
**Price:** ฿12964
**Availability:** ✅ In Stock

## Summary

> 🔭 Zoom into the extraordinary — capture what others only dream of!

## Quick Answers

- **What is this?** Telephoto Lens 420-800mm, EF Lens for Canon DSLR, Manual Focus MF Zoom Lens for Canon EOS Rebel SL3 SL2 SL1 T8i T7i T7 T6 T6s T6i 4000D 1500D 90D 80D 77D 70D 60D 7D 6D 5D 1D DSLR Cameras by benoison
- **How much does it cost?** ฿12964 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/731649158-telephoto-lens-420-800mm-ef-lens-for-canon-dslr-manual)

## Best For

- benoison enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Robust, high-quality construction designed for durability on every adventure.
- • **Reach Beyond Limits:** Massive 420-800mm focal range captures distant wildlife and moon shots with stunning detail.
- • **Precision in Your Hands:** Manual focus ring lets you fine-tune sharpness exactly how you want—no autofocus distractions.
- • **Plug & Play Compatibility:** Upgraded EF/EF-S mount fits Canon DSLR models directly—ditch the adapter hassle.
- • **Affordable Pro-Level Optics:** Get near-OEM image quality without breaking the bank—perfect for passionate hobbyists.

## Overview

This BENOISON 420-800mm telephoto lens offers an expansive zoom range with manual focus control, designed exclusively for Canon DSLR cameras with EF/EF-S mounts. Featuring a fixed aperture range of f/8.3 to f/16 and a durable build, it’s ideal for wildlife and moon photography enthusiasts seeking high-quality optics at an accessible price point. Note: no autofocus or electronic contacts, requiring manual operation in Mode M.

## Description

Telephoto Lens 420-800mm, EF Lens for Canon

Review: Good Image quality - Image quality is good (almost as good as 3rd party OEMs such as Tamron, Sigma). Very slight fringing can be observed at full zoom but not so noticeable. On an overall, Build and image quality is great for the price.
Review: Lens not working - Lens not at all working Please don’t buy …, waste of money

## Features

- 【Super Telephoto Lens】Manual focus telephoto lens, NOT original-lens, a focal length of 420-800mm and an aperture of F/8.3-16 (non-adjustable aperture value, f8.3 at 420mm and f16 at 800mm), filter size of 62mm, full frame, EF/EF-S mount, built with high-quality materials and robust construction, making them durable and long-lasting;
- 【Upgraded Version】Upgraded into an EF/EF-S mount, which can be mounted on Canon DSLR cameras without connecting the T adapter ring. For those who photograph wildlife or the moon as a hobby, this lens would be a great choice;
- 【EF/EF-S Mount Compatibility】Compatible with Canon EOS-1D Series, EOS-5D Series, EOS-6D Series, EOS-7D Series, EOS-10D to 90D Series, Rebel SL3 SL2 SL1(250D 200D 100D), Kiss/Rebel Series(Rebel T8i/850D T7i/800D T7/2000D T6/1300D T6s/760D T6i/750D T5i/700D T5/1200D T4i/650D T3i/600D T3/1100D T2i/550D T1i/500D) 4000D 3000D 1500D etc DSLR cameras. Not for camera M-series and R-series mirrorless cameras;
- 【Manual Focus】The lens has a focus ring located near the front. Manually rotate this focus ring to adjust the focus. Turn the ring slowly until the subject you want to focus on appears sharp and clear;
- 【NO electronic contacts and No Autofocus Motor】Manual lenses lack electronic contacts, so you need to use our lens in Mode M. On manual lenses, the camera may display F00 because it doesn't have direct access to the aperture value.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DCW3DMT2 |
| Actual viewing angle | 5 Degrees |
| Aperture Modes | F8.3-F16 |
| Batteries Included | No |
| Batteries Required | No |
| Best Sellers Rank | #185,290 in Electronics ( See Top 100 in Electronics ) #187 in DSLR Camera Lenses |
| Brand | BENOISON |
| Compatible Devices | For Canon DSLR Cameras |
| Customer Reviews | 4.1 4.1 out of 5 stars (346) |
| Date First Available | 11 September 2024 |
| Form Factor | DSLR |
| Has Auto Focus | No |
| Image stabilization technology | No image stabilization |
| Item Dimensions LxWxH | 24 x 6.7 x 6.7 Centimeters |
| Item Weight | 860 g |
| Item part number | 420C-B-EF |
| Lens type | Telephoto |
| Manufacturer | BENOISON |
| Media type | ProductImage |
| Min Focal Length | 420 Millimeters |
| Minimum diaphragm opening | 16 f |
| Mounting Hardware | Lens Cleaning Cloth, Telephoto Lens, User Manual |
| Mounting Type | Canon EF |
| Number of items | 1 |
| Product Dimensions | 24 x 6.7 x 6.7 cm; 860 g |

## Product Details

- **Brand:** BENOISON
- **Camera Lens Description:** Manual focus 420-800mm telephoto lens
- **Compatible Mountings:** Canon EF
- **Focal Length Description:** 420-800mm
- **Lens Type:** Telephoto

## Images

![Telephoto Lens 420-800mm, EF Lens for Canon DSLR, Manual Focus MF Zoom Lens for Canon EOS Rebel SL3 SL2 SL1 T8i T7i T7 T6 T6s T6i 4000D 1500D 90D 80D 77D 70D 60D 7D 6D 5D 1D DSLR Cameras - Image 1](https://m.media-amazon.com/images/I/61S-7kV92YL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good Image quality
*by A***. on 17 December 2025*

Image quality is good (almost as good as 3rd party OEMs such as Tamron, Sigma). Very slight fringing can be observed at full zoom but not so noticeable. On an overall, Build and image quality is great for the price.

### ⭐ Lens not working
*by R***R on 21 January 2026*

Lens not at all working Please don’t buy …, waste of money

### ⭐⭐⭐⭐⭐ Review
*by ع***ز on 29 July 2025*

ماشاءالله شي عالمي وجوده ونظيفه وسعر أجمل شكرآ

## Frequently Bought Together

- BENOISON Telephoto Lens for Canon - EF Lens 420-800mm for Canon DSLR, Manual Focus MF Zoom Lens for Canon EOS Rebel SL3 SL2 SL1 T8i T7i T7 T6 4000D 1500D 90D 80D 77D 70D 60D 7D 6D 5D 1D DSLR
- Endurax 60'' Camera Tripod Camera Stand for Canon Rebel Eos Nikon DSLR, Travel Tripods for Phone Tablet with Remote Black
- SanDisk 128GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-128G-GN4IN

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**Shop now:** [https://www.desertcart.co.th/products/731649158-telephoto-lens-420-800mm-ef-lens-for-canon-dslr-manual](https://www.desertcart.co.th/products/731649158-telephoto-lens-420-800mm-ef-lens-for-canon-dslr-manual)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-25*