Record Duration Table
Tables are provided showing approximate record duration in minutes and seconds relative
toformat, project frame rate and media size. The maximum recording time for your storage
media will vary depending on the data size of the CFast or SD card and the recording format
and framerate you choose. For example, the storage rate for Apple ProRes 422 HQ at 3840 x
2160 is approximately 880 Mbps. At 24 frames per second, you can record approximately
47minutes ofvideo on a 256GB CFast 2.0 or SD card. At the same settings you can record
approximately 23minutes of video on a 128GB CFast 2.0 or SD card, which is approximately half
the record duration of the 256GB card. These durations are also the same for when recording
to SSDs using the URSA Mini SSD Recorder.
It should be noted that record duration on CFast 2.0 and SD cards can also vary slightly
between cards from different manufacturers. It can also vary depending on whether the storage
media is formatted as exFAT or Mac OS X Extended.
Simple scenes containing less detail tend to require less data than more dense compositions.
The values in these tables assume shots with a high complexity, which means you may get
slightly longer record times depending on the nature of your shoot.
Record duration table for recording on URSA Mini.
HD
CFast
Card
Frame
Rate
Blackmagic
RAW 3:1*
Blackmagic
RAW 5:1*
Blackmagic
RAW 8:1*
Blackmagic
RAW 12:1*
ProRes
444 XQ
ProRes
422 HQ
ProRes
422 LT
CinemaDNG
RAW
CinemaDNG
RAW 4:1
Duration Duration Duration Duration Duration Duration Duration Duration Duration
256GB
23.98 159 mins 264 mins 418 mins 619 mins 84 mins 189 mins 403 mins 75 mins 175 mins
24 159 mins 264 mins 418 mins 618 mins 84 mins 189 mins 403 mins 75 mins 175 mins
25 153 mins 253 mins 402 mins 595 mins 81 mins 182 mins 387 mins 72 mins 168 mins
29.976 128 mins 212 mins 336 mins 499 mins 68 mins 152 mins 324 mins 60 mins 141 mins
30 127 mins 212 mins 336 mins 499 mins 67 mins 152 mins 324 mins 60 mins 140 mins
50 76 mins 127 mins 203 mins 303 mins 40 mins 91 mins 196 mins 36 mins 84 mins
59.94 64 mins 106 mins 170 mins 254 mins 34 mins 76 mins 163 mins 30 mins 70 mins
60 64 mins 106 mins 170 mins 253 mins 33 mins 76 mins 163 mins 30 mins 70 mins
TIP Sometimes in extremely cold weather conditions, for example 0-5º Celsius and
32-41º Fahrenheit, your URSAMini 4K may take up to thirty seconds to reach optimal
running temperature. During this time you can record if you need to, but we recommend
waiting for your camera to warm up andstabilize. When optimal running temperature is
achieved, your camera will recalibrate to compensate for the sensor’s temperature
change and you maynotice a single white flash frame. This will only occur while not
recording and will improve your results when shooting in cold climates.
43Recording
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