What are the negatives with using teleconverters?
I just bought a Canon 2X Extender and I always believed that It would only result in 2 Stops loss of light and not change the aperture. When I tested this extender on a Canon 135mm F/2 lens, the ...
I was looking into extenders(Teleconverter) for Canon lenses, and they are quite expensive at around $450 for the 1.4x III or 2x III. I know that extension tubes are a different story, and since they ...
In the Canon camp we are all very familiar with the range of 70-200mm lenses. I am very impressed by the 135mm f/2.0 L though. I am considering getting rid of my 70-200mm lens in favor of the 135mm ...