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moon shot with ef600 f4II

Started Oct 12, 2013 | User reviews thread
Dragonrider
Dragonrider Regular Member • Posts: 150
Re: moon shot with ef600 f4II
1

riknash wrote:

That TC really destroys the image. Yes, this is an old thread but the scenario is relevant to those wanting to use that combo.

I'd like to see someone else who has both the 600mm and the TC provide a sample.

I recently got the 800L and I use it with a 2x III to shoot hummingbirds.  The lens looses some sharpness at the pixel level, but the overall image at a given size is still sharper with the TC so I suspect in the example given here, either the TC shot was ever so slightly out of focus or, more likely, seeing conditions changed ( and that can happen in a few seconds on these long shots).

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