Teleconverter question

Started Feb 26, 2014 | Discussions thread
Leonard Shepherd
Leonard Shepherd Forum Pro • Posts: 15,546
Re: Teleconverter question

billslatteryjr wrote:

Now they use a 1.4 teleconverter that causes a 5%-10% loss in sharpness. But that same shot now gets a lot less cropped away.

Some recent reliable (IMO) tests and my own experience indicate loosing around 7.5% image information using a TC14e which obviously only fits on a good lens.

Cropping by the equivalent amount reduces MP by 75% which, depending on body and lens, is about 25% image resolution reduction.

If you cannot afford or have the strength to carry a longer pro grade lens IME a TC14e is the next best option - after getting closer to the subject

I do not disagree the not so fast AF and darker viewfinder. As using a 1.4 x gives 1 stop more depth of field than the same crop with a longer lens you can open up 1 stop to get the same shutter speed and dof, or loose a shutter speed and gain 1 stop dof.

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Leonard Shepherd
Great images are often of good subjects.
If they are great images does what lens, body or technique was used matter more than the skill of the photographer?

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