What does Canon Extender EF 2x III do?
The Extender EF 2x III is specially designed to work in conjunction with L-series IS super-telephoto lenses, extending their focal length by a factor of 2x. The extender’s design ensures there is no loss of lens performance or image quality.
What is the difference between Canon 1.4 Extender II and III?
The image quality differences most easily noticed between the 1.4x II and the 1.4x III are: The 1.4x III has less barrel distortion than the 1.4x II. This makes the center-of-the-frame details slightly smaller in a comparison. This difference will be most noticeable in the top crop shown in the ISO 12233 chart tool.
What does a 2x teleconverter do?
A teleconverter is basically a magnifying lens used between the camera body and the existing lens. A 2x teleconverter (such as the Nikon TC-20EII AF-S teleconverter) will double the apparent focal length at the expense of two stops of light.
What kind of lenses can Canon Extender EF 2x III work with?
This lens is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L. Additionally, please see the lens and/or camera body manual for full compatibility information with the Extender EF 2X III.
Can you use 2x extender on ef100-400 II?
First of all, the 100-400 II is a fabulous lens. You will enjoy it very much. Second, it won’t focus with the 2x extender except in Live View, and even that doesn’t work very well. However, on your 7D2, you can use the 1.4x extender and get auto focusing at the center focus point.
Which is better canon 2x or canon 100-400 L II?
The 2x adds 2″ (50mm) to the length, 12 oz (340g) to the weight and roughly 20% to the cost. Thus, if the longer focal lengths are going to see significant use, the 100-400 L II has the overall advantage including smaller size, lighter weight, lower price, better AF performance and better image quality.
Do you need 2x extender for Canon 70-200mm?
When longer-than-200mm focal lengths are needed only infrequently, adding the 2x to the 70-200mm lens can get the job done. Again, the ideal Canon kit will have both of these lenses in it, but for those that must choose between the two, there is usually a best choice.