100-400 paired with A9/1.4x TE or A7IV in crop mode?

Started 3 months ago | Discussions thread
MicahSYL Senior Member • Posts: 2,164
Re: 100-400 paired with A9/1.4x TE or A7IV in crop mode?

I agreed with your "reality" statement, birds (and actions) don't live in studios.

Lots of it depends on the A7R4 ability to AF and track.  The lens part is the execution of the AF instructions from the camera.  Since Sony has licensed Sigma, it is not a reversed engineering job on the Sigma 100-400mm DG DN.  I have no problem in AF-C, but I do have problem with opportunities to be at places with lots of birds:-).

My slogan is "Right place, Right Time, Right Environment (not raining/snowing/overcast/etc)" for photography.

Yes, because of the licensing Sigma will not provide us with a 1.4xTC and 2xTC, they show it can be done with the L-Mount for the same lens.

I am hoping Sigma will produce a lighter version of their 60-600mm or their 150-500mm with DG DN.


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 MicahSYL's gear list:MicahSYL's gear list
Nikon D5300 Sony a6000 Sony a7R II Sony a7R IV Nikon AF-S DX Nikkor 35mm F1.8G +16 more
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