Teleconverter question

Started Feb 26, 2014 | Discussions thread
Dr Bob
Dr Bob Senior Member • Posts: 1,319
Re: Teleconverter question

billslatteryjr wrote:

OK say one usually lands up cropping away 1/4-1/2 of a bird, insect, animal... photo. 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. Wouldn't one get a better photo using the teleconverter as long as the shutter speed stays fast enough for the subject?

You've got some good information here in all of the posts. I've only just started playing round with a TC 1.4 on a prime (not a zoom) and as long as you have enough light (you loose your stop with the TC and you need to stop the lens down a touch to retain sharpness) then you will not be compromised too much. You can therefore do you normal cropping and have more reach.

One thing not mentioned is that if you use a TC, the focal length is longer (obviously) hence you get better subject isolation - quite important if you are shooting birds.

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