Canon EF 2x II Extender

The Canon EF 2x II Extender is an easy and very affordable way to dramatically extend the reach (focal length) of compatible Canon L Series lenses (and a few additional lenses). This review will sound very similar to the Canon 1.4x Extender Review, but...

Very useful but it does step the f stop down a bit.

Teleconverters are a useful way of increasing the focal length of a lens without too hefty a financial cost. They are mounted between the lens and the camera and typically increase the focal length by a factor of 1.4 or 2x. Canon call their...

Teleconverters are a useful way of increasing the focal length of a lens without too hefty a financial cost. They are mounted between the lens and the camera and typically increase the focal length by a factor of 1.4 or 2x. Canon call their...

I bought the 2xII Extender to use with a Canon 400D & a Canon EF100-400 4.5/5.6 L IS lens. I was aware that the autofocus function would not operate with this extender & manual focus takes some getting used to, so perseverence is needed. I had read...

Sometimes a 1.4X is just no enough so this 2X comes handy. Build quality is very good and so is it's optical quality. Yes, AF get's slower but that's a small price to pay. Best when used on a fast lens, like the Canon 300mm f2.8.

Superb quality pictures with my Canon EOS 350D and Canon EF 70-200 f/4 IS USM (In DAY photography only).... No problem at all.

Superb quality pictures with my Canon EOS 350D and Canon EF 70-200 f/4 IS USM (In DAY photography only)....

I wanted a professional quality zoom lens that would not only be suitable for wildlife but also general telephoto purposes. I opted for the Canon 70-200 f2.8L IS USM instead of the 100-400 f5.6L. When the 70-200 is coupled with this 2x extender it...

I wanted a professional quality zoom lens that would not only be suitable for wildlife but also general telephoto purposes. I opted for the Canon 70-200 f2.8L IS USM instead of the 100-400 f5.6L. When the 70-200 is coupled with this 2x extender it...