Is it important to record at 1/(frame rate) shutter speed for 60p?

[Dave2ic]

I understand that using 1/(frame rate) shutter speed is recommended for smooth video, but is it important when you're using high framerates like 60p? Computer games look smooth at 60p and they have no motion blur, so I wouldn't think using 1/125 sec shutter speed would be important to maintain smooth video at 60p.

The reason I ask is that I have the new Sony RX100M2 camera, and am trying to decide if I need to add an ND filter when videoing in bright sunlight.

[poisondeathray]

It depends on the look you're going for. Generally you leave it at 1/120 for 60p . 1/60 for 60p tends to look a bit "off" and blurry . It's analgous to shooting 1/24 vs 1/48 when shooting 24p (1/48 looks "normal"), although the effect isn't as bad at higher framerates (more foregiving)

But if you're shooting for special FX, then you want less blur (easier to rotoscope and discern edges). Of course, the trade off for faster shutter, is less light (not an issue in outdoor sunlight).

There are various ND filters and shutter speed calculators, but it's going to depend on which ND filter you're using - So just do some tests, and see if it works ok for you for your goals.

Computer games are different than live action; and some games do render motion blur now (some FPS shooters can)