FOB PriceUSD 140.0-150.0/Unit Get Latest Price ModelEXTENDER EF 2X III Min.Order20 Brief DescriptionThe YONGNUO EXTENDER EF 2X III is especially designed for the canon white telephoto lens.

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New Territories  Hong Kong
No.of Staffs101 - 500 People Sales VolumeUS$10 Million - US$50 Million Monthly Capacity120,000 pcs OEM/ODM AvailabilityOEM Payment Terms T/T  Paypal Related Product Category Camera Lens [16]
Product Range Main products

Wirless Remote, Speedlite, Flash, LED light

Target Market(s)

North America; Oceania; Eastern Europe; Hong Kong/ Macao/ Taiwan; Latin America; Western & Southern Europe; Northern Europe; Central & Southern Asia

  • Product Details
  • Company Profile

Basic Specification

Camera Lens Focal length Type extender
Camera Lens Type extender
Focal length Type Other
Type Other
Material Other

Detail Description



1.The function of this product is to extend the canon lens’ focal length by 2 times.

2.Especially designed for the canon white telephoto lens,more

 suitable for the canon white telephoto lens than YN2.0II teleconverter.

3.The optical performance is on a par with canon Extenders.

4.Uses two pieces of ultra-high refractive index lenses,which greatly improves the optical effect.

5.7 groups 9 pieces of glasses construction,each piece of glass uses multilayer coating,

which improves the lens’s transmittance,reduces the stray light,optimizes the optical quality.

6.The lens of YONGNUO EXTENDER EF 2X III uses the matching design for canon EF 70-200mm F/2.8L IS II USM 

and it can be used with canon EF 70-200mm F/2.8L IS II USM perfectly.

Major Specifications

Mount:EF mount(Electronically controlled)

Lens construction: 9elements in 5 groups

Dimensions(max.dia. ×length): 55×73.9mm


Applicable lenses of YONGNUO EXTENDER EF 2X III


Focal Length and Maximum Aperture

EF 135mm f/2L USM

270mm f/4

EF 200mm f/2.8L USM

400mm f/5.6

EF 200mm f/2.8L II USM

400mm f/5.6

EF 200mm f/1.8L USM        

400mm f/3.6

EF 200mm f/2L IS USM

400mm f/4

EF 300mm f/4L USM

600mm f/8

EF 300mm f/4L IS USM

600mm f/8

EF 300mm f/2.8L USM 

600mm f/5.6

EF 300mm f/2.8L IS USM

600mm f/5.6

EF 400mm f/5.6L USM

800mm f/11

EF 400mm f/4L DO IS USM

800mm f/8

EF 400mm f/2.8L USM 

800mm f/5.6

EF 400mm f/2.8L II USM 

800mm f/5.6

EF 400mm f/2.8L IS USM

800mm f/5.6

EF 500mm f/4.5L USM 

1000mm f/9.5

EF 500mm f/4L IS USM

1000mm f/8

EF 600mm f/4L USM 

1200mm f/8

EF 600mm f/4L IS USM

1200mm f/8

EF 800mm f/5.6L IS USM

1600mm f/11

EF 100-400mm f/4.5-5.6L IS USM

200-800mm f/9.5-11

EF 70-200mm f/4L USM F

140-400mm f/8

EF 70-200mm f/4L IS USM

140-400mm f/8

EF 70-200mm f/2.8L USM

140-400mm f/5.6

EF 70-200mm f/2.8L IS USM

140-400mm f/5.6

EF 70-200mm f/2.8L IS II USM

140-400mm f/5.6

EF 300mm f/2.8L IS II USM

600mm f/5.6

EF 400mm f/2.8L IS II USM

800mm f/5.6

EF 500mm f/4L IS II USM

1000mm f/8

EF 600mm f/4L IS II USM

1200mm f/8

EF 1200mm f/5.6L USM        

2400mm f/11

For further information,please refer to http://www.hkyongnuo.com/e-detaily.php?ID=350

Additional Information

Payment Terms T/T, Paypal
Minimum Order 20
Lead Time Delivery Time 5 days
Sample Available No
Delivery Details shipped immediately after payment received
FOB Port Shenzhen,
Target Market(s) Africa(except Middle East),  Eastern Europe,  Hong Kong/ Macao/ Taiwan,  Japan & Korea,  Middle East,  Middle East & South Asia,  North America,  Northern Europe,  Oceania,  Southeast Asia,  Western & Southern Europe

About Us


HK YONGNUO LIMITEDHK YONGNUO LIMITED is a branch of ShenZhen YongNuo Photographic Equipment Co. Ltd.YONGNUO is a professional photographic equipment company,we provide a coordinated service of products research and development,design,manufacture and marketing.Our products, YONGNUO flashes,TTL flash trigger have been the top sellers over the years.The LED photographic light and the remote shutter release also have good reputations in China,and YONGNUO is a well-known brand in the industry.Our company is the National high-tech enterprise with over one hundred patents.We have three factories,over a dozen retail stores.Our products are exported to Europe, America, Southeast Asia and other countries and regions.Capable to produce10,000 Units MonthlyIn our ISO 9000:2000-certified factory, 10 production lines and 200 employees ensures 10,000 units production every month. With this volume production, we can export up to $10 million worth of products annually. Measures have been introduced to shorten the lead time to seven to 10 days after confirmation for bulk orders. Supported by R Team with 30 EngineersWe have an experienced R team of 30 professional engineers, who are dedicated to product development and quantity control and to producing up-to-date items that meet diverse market needs. We accept OEM order of mass production and our Product Development staff offer customized packaging design services.Strictly follow CE StandardsOur electronic items have CE approval which meet the quality and safety requirements of overseas markets including North America, Europe and Asia.Now, we are setting up the HK branch from Dec2007. It's not only helping our existing customers to keep in touch with us more easily but also more convenient to our new customers to understand more about our company and get the new information.

General Information

Year of Establishment 2007
Capital US$2.5 Million - US$5 Million
Sales Volume US$10 Million - US$50 Million
Brand Name YONGNUO

Export Information

Export Year 2006
Export Percentage 81% - 90%
Delivery Time 7 days
Minimum Order Quantity 100units
Payment Terms T/T  Paypal

Productivity Information

Production Lines 8 lines
Factory Size 11,000 square meters
Monthly Capacity 120,000 pcs
Investment on Manufacturing Equipments US$2.5 Million - US$5 Million
No. of Staffs 101 - 500 People
No. of R/D Staffs 41 - 50 People
No. of Engineers 21 - 30 People
No. of QC Staffs 21 - 30 People

Factory Info: Hong Kong Yong Nuo Photographic Equipment Co. Ltd

Country/Region Hong Kong
Address G/F, 4 Bulkeley Street ,Hung Hom,Kowloon
Zip 000
Factory Introduction Hong Kong Yong Nuo Photographic Equipment Co. Ltd. is a branch of ShenZhen YongNuo Photographic Equipment Co. Ltd.<br><br>Yong Nuo is mainly engaged the product development, manufacturing and retailing of professional photographic equipment. We have started the business over 10 years ago and we are offering the high-quality photographic equipment to our customers. We have abundant in product development (“PD” as below); and our engineer who has a very experienced knowledge on photographic equipment manufacture. That's the main reason to lead Yong Nuo Photographic Equipment Co. Ltd. to be more profession, modernization and internationalization. Our management concept which in “Customer First, Reputation First and Service First”; there made our company having a good reputation in China mainland market.<br><br>Yong Nuo as a professional photographic equipment manufacture in China, we want to please and to satisfy our customer all the time. It's the motivation for us to keep developing our company in order to become the top level of photographic equipment company in the world. <br><br>Now, we are setting up the HK branch from Dec2007. It's not only helping our existing customers to keep in touch with us more easily but also more convenient to our new customers to understand more about our company and get the new information.