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New GX8 reviews roundup. Is Post Focus feature “impracticable”?

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As you know the GX8 will feature a new “Post Focus” tech which will be added via future firmware upgrade. Panasonic says that “By combining high-speed, high-precision DFD (Depth From Defocus) auto focus technology and the 4K Photo burst images in 4K resolution are shot at 30 fps while shifting the lens to set focus on approx. 501 areas (*TBC).“.

I wondered if that feature is really something useful or just a gimmick nobody will ever use. Diyphotography says the Post Focus feature is “impracticable” because:

1) It becomes impractical to use for much else besides still life or landscape photography. The types of photos where this technology could be really handy, such as child photography, action/sports, macro photography of insects, etc., all happen in fractions of seconds. Sure, you can still use the feature and settle for a change in perspective for each recorded point of focus, but why not just use AI Servo and shoot in burst mode?
2) If I’m shooting still life or landscape photography, I’ll just take my time to select the damn focus point I want the first time around. Besides, how many of us can hold a camera truly still for a 2-second exposure?

I guess we have to try this for real to see if it’s really something meaningful to use.

Some more GX8 tests and image samples:
Panasonic GX8: An Evolving Review by Jacob James.
Image samples by Lumix Germany.
Image samples by Reality Scanner.

Preorders:
Black GX8 at Amazon, Adorama, BHphoto and Panasonic. In Eu at WexUK.
Silver GX8 at Amazon, Adorama, BHphoto and Panasonic. In Eu at WexUK.
FZ300 at Amazon, Adorama, BHphoto and Panasonic.

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