- This Canon Extender will increase the focal length of the lens you are using by 2x.
- Compatible with L series prime lenses with a focal length of 135mm or higher as well as selected zoom lenses.
- The new Mark III version offers increased AF performance with all compatible lenses.
- Two stops of light is lost when this Extender is being used, so a f2.8 lens becomes a f5.6 lens.
- Dust and moisure resistant construction.
- Lens construction: 9 elements / 5 groups.
- Dimensions: 72 x 52.7mm (diameter x length).
- Canon L series prime lenses with focal length of 135mm and higher plus;
- Canon EF 70-200mm f2.8 L IS II USM
- Canon EF 70-200mm f2.8 L IS USM
- Canon EF 70-200mm f2.8 L USM
- Canon EF 70-200mm f4 L IS USM
- Canon EF 70-200mm f4 L USM
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Please check any common questions above before posting as we may not reply to any questions that have been answered previously. We reserve the right to publish your question to this website for the future benefit of other users with similar queries. We may carry out minor editorial changes to the content. All FAQ's remain copyright Bristol Cameras.
Canon Extender EF 2x III Question
Date Added: 31st August 2013
Question: Is the Canon Extender EF 2x III compatible with the Canon 100-400 IS USM L series lens
Bristol Cameras Answer: Hi, yes the 2x EF Extender is compatible with the Canon 100-400. Please note you will only have manual focus when the Extender is fitted, no AF unfortunately.
Canon Extender EF 2x III Question
Question: Is the Canon Extender EF 2x III in stock?
Bristol Cameras Answer: As per most accessories listed on this website we do not have the resources to maintain stock info on several thousand smaller items. We keep many of the accessories on our site in stock and even if we don't have the Canon Extender EF 2x III in stock, it is likely that it will be available from suppliers within 2-3 working days.
Canon Extender EF 2x III Question
Question: How much does delivery of the Canon Extender EF 2x III cost?
Bristol Cameras Answer: This depends on the total value of your order and the shipping destination. For more information on delivery costs click here.
Canon Extender EF 2x III Question
Question: Can you send parcels to me outside of the UK?
Bristol Cameras Answer: Unfortunately, we do not send goods outside of the UK.
Ask Bristol Cameras a question about the Canon Extender EF 2x III
Please check any common questions above before posting as we may not reply to any questions that have been answered previously. We reserve the right to publish your question to this website for the future benefit of other users with similar queries. We may carry out minor editorial changes to the content. All FAQ's remain copyright Bristol Cameras.
Due to staff absence, FAQs are currently suspended. If you have an urgent question or want to check stocks please give the store a ring on either 01179 290435 or 01179 140089. Thank you.

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