FS7: Slow Motion in 4K - FS7M2 - Any advantage with XDCA extension or other accessories?

V

Vintegreo

Well-known member
I have a shoot coming up where we'd like to shoot some slow motion of kids on a playground. Typically I've been shooting all of my projects at a UHD resolution of 3840 x 2160.

I've noted that the best you can shoot at for slow and quick motion is 60fps and then it gets slowed to 24fps on the playback side. Yet at an HD resolution we can do up to 180fps.

With that, are there any advantages to be gained with the XDCA-FS7 back? Or with other accessories?

I may just shoot 1080P and upsize it to 2160 if needed, but wondered what others are doing. We may also determine that 60fps gets us to the effect we want. Not sure yet. We just want that slower dreamier look to the footage.
 
Ive been shooting alot of slo mo recently.. on an F5.. but the same deal really as the fs7.. alot of camera won,t do more that 60 in 4K.. just dont have the processing power to handle all the data.. recent shoot on 4K.. we just went down to HD to get 100 fps.. (well no choice anyway !).. depends what your shooting of course.effect etc.. but Ive found for "people" shots doing "normal" stuff .. 180fps was actually too slow.. it takes an age just someone taking one step.. or turning their head..unless its a 2 hour doc.. :)

I guess the only advantage of the XDCA would be being able to use V mount batteries.. and TC in for any sync shots if your using Sound devices for audio separate sound.. ?
 
Donny 123 said:
Ive been shooting alot of slo mo recently.. on an F5.. but the same deal really as the fs7.. alot of camera won,t do more that 60 in 4K.. just dont have the processing power to handle all the data.. recent shoot on 4K.. we just went down to HD to get 100 fps.. (well no choice anyway !).. depends what your shooting of course.effect etc.. but Ive found for "people" shots doing "normal" stuff .. 180fps was actually too slow.. it takes an age just someone taking one step.. or turning their head..unless its a 2 hour doc.. :)

I guess the only advantage of the XDCA would be being able to use V mount batteries.. and TC in for any sync shots if your using Sound devices for audio separate sound.. ?
Click to expand...

I guess I found myself wondering if you could use the XDCA to offload that processing power to some other recording device that would give you more flexibility. That said, I concur that 180fps was probably too slow. I also wondered which would be better: Recording UHD at 60fps and slowing it down to desired rate --or-- recording HD at 100fps and upsizing it to UHD. Both have their compromises, I would think!
 
There's no question, I would do UHD @ 60 fps. For one thing, you might find that 60 fps is fast enough for some shots and then you won't have to manipulate the footage at all. And if you need to further slow down some shots in post , I've seen some surprisingly good results that can be achieved with the right software. But HD to 4K is always ugly. And that is especially true if the HD starts out as HFR because that always looks a little granier and courser on the Sony cameras even at 1080P.
 
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