---
product_id: 31779246
title: "Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes)"
brand: "micnova"
price: "658 Lei"
currency: RON
in_stock: true
reviews_count: 10
category: "Micnova"
url: https://www.desertcart.ro/products/31779246-macro-lens-tube-extension-for-canon-dslr-micnova-kk-c68
store_origin: RO
region: Romania
---

# Maintains autofocus & TTL exposure 3 tube lengths (12mm, 20mm, 36mm) Durable brass & metal build Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes)

**Brand:** micnova
**Price:** 658 Lei
**Availability:** ✅ In Stock

## Summary

> 🔍 Elevate your macro game — get closer, sharper, and faster with every shot!

## Quick Answers

- **What is this?** Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes) by micnova
- **How much does it cost?** 658 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/31779246-macro-lens-tube-extension-for-canon-dslr-micnova-kk-c68)

## Best For

- micnova enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight:** Weighing just 3.53 oz, it’s easy to carry and quick to swap for on-the-go creativity.
- • **Pro-Grade Build Quality:** Robust brass and metal construction ensures long-lasting reliability on every shoot.
- • **Customizable Macro Precision:** Mix and match 12mm, 20mm, and 36mm tubes for perfect close-up framing.
- • **Universal Canon Compatibility:** Designed for Canon EOS EF & EF-S mount cameras including 5D2, 5D3, 6D, 650D, 750D.
- • **Seamless Autofocus Integration:** Full electrical coupling keeps your Canon DSLR’s autofocus and exposure intact.

## Overview

The Micnova KK-C68 Pro Macro Extension Tube Set for Canon DSLR offers three precision tubes (12mm, 20mm, 36mm) that maintain autofocus and TTL exposure through full electronic coupling. Crafted from durable brass and metal, this lightweight kit is compatible with Canon EF & EF-S mount cameras, enabling photographers to capture stunning close-ups beyond standard lens limits.

## Description

desertcart.com : Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes) : Camera Lens Extension Tubes : Electronics

Review: Well worth it. - I purchased this item over a year ago and I am very happy with it. I find that they work best with my 50mm lens, but I also use the 12mm tube on my 18-135 and 75-300 lenses with no problems. The longer tubes do have trouble with autofocus at times but that is no real problem. All in all, I would say they are well worth the money.
Review: Dubious AF capability enablement - Received mine today. a total waste of time. Finish is so so - not great - did not attach smoothly onto my Sony A9500. The worst part was that it did not connect electronically to the camera and lens - perhaps the contacts were defective. None of the AF capability was working on my lens - I had to manually focus, contrary to the claims made by the seller.. sending mine back

## Features

- Kit of three extension tube sections: 12mm and 20mm, 36mm - Any combination of tubes can be used for various reproduction ratios
- Designed with all the electrical and mechanical couplings to maintain auto focus and TTL auto exposure
- Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance
- Made of brass, Metal and plastic Construction
- 1 Year Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00EM7OFV2 |
| Best Sellers Rank | #44 in Lens Extension Tubes |
| Color Name | KK-C68 |
| Compatible Devices | Canon EF & EF-S SLR cameras. |
| Customer Reviews | 3.9 3.9 out of 5 stars (355) |
| Date First Available | August 17, 2013 |
| Hardware Interface | ATA |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.53 ounces |
| Item model number | KK-C68 |
| Product Dimensions | 3.15 x 2.95 x 4.53 inches |

## Images

![Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes) - Image 1](https://m.media-amazon.com/images/I/71DeOClhjDL.jpg)
![Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes) - Image 2](https://m.media-amazon.com/images/I/71KblHRWwEL.jpg)
![Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes) - Image 3](https://m.media-amazon.com/images/I/71OA7JTk7bL.jpg)
![Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes) - Image 4](https://m.media-amazon.com/images/I/71RgqAII8-L.jpg)
![Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes) - Image 5](https://m.media-amazon.com/images/I/71Xxq4-AtsL.jpg)

## Questions & Answers

**Q: How to get it auto focus when use C68 with my Canon Lens?**
A: Make your device match the conditions of AUTO FOCUS when using Canon lens with C68 1. Camera supports Auto-focus. 2. Lens supports Auto-focus, set the switch on AF mode.

**Q: Why can't get it auto focus when use three tubes together?**
A: Try one by one to test auto focus. Dark light or weak light may lead the auto focus failure.

**Q: What's the warning of using the tubes?**
A: Do not use the tube to shoot strong light or strong sunshine, it will harm your eyes in a flash.

**Q: Can i use the tube individual or in combination?**
A: Yes, both are available. 12 mm, 20 mm and 36 mm can be used individually or in any combination to obtain the desired magnification. The greater the length of the extension tube, the closer the lens can focus.

**Q: What's in the box?**
A: 1* Sevenoak 12mm C-AF tube 1* Sevenoak 20mm C-AF tube 1* Sevenoak 36mm C-AF tube 1* Portable Bag with high quality and PU surface 1* Manual Book

## Customer Reviews

### ⭐⭐⭐⭐⭐ Well worth it.
*by L***R on September 16, 2025*

I purchased this item over a year ago and I am very happy with it. I find that they work best with my 50mm lens, but I also use the 12mm tube on my 18-135 and 75-300 lenses with no problems. The longer tubes do have trouble with autofocus at times but that is no real problem. All in all, I would say they are well worth the money.

### ⭐ Dubious AF capability enablement
*by M***J on January 4, 2018*

Received mine today. a total waste of time. Finish is so so - not great - did not attach smoothly onto my Sony A9500. The worst part was that it did not connect electronically to the camera and lens - perhaps the contacts were defective. None of the AF capability was working on my lens - I had to manually focus, contrary to the claims made by the seller.. sending mine back

### ⭐⭐⭐⭐ Great for dabbling in macro photography
*by C***O on December 10, 2017*

Nicely made product. Connects solidly to both the camera body and the lens, even when stacking multiple units together. Nice cheap way to perform some nice macro shots with your existing lens without the need to purchase a dedicated macro lens. The connectivity is great for keeping the auto-focus and auto-exposure features of our DSLR enabled. With that being said, auto-focus can be rather finicky, it can hunt for the focus for several seconds, So if you have an active moving subject, you may want switch over to manual focus. Exposures always look great.

## Frequently Bought Together

- Macro Lens Tube Extension for Canon DSLR, Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF & EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes)
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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-15*