Hi Larry,
I am not sure about K-3, I have never used it.
Just in case, - let me tell you what I know about K5 (and K7)
K5-IIs has a length/time limit that depends on the resolution.
At Full-HD, it was less than 10 minutes, I believe.
At 720p, it is close to 10 minutes, and it is in high teens or 20-s for
the VGA resolution (which you probably wouldn't want).
The limiting factor is the size of a single file on the file system, - I
don't remember what it was, - probably ~3-3.5 GB. That's the FAT
limitation, and I suspect it remains on exFAT (or what is it called that
SDXC is using?).
Besides, there is yet another caveat that you meed to be aware of.
Even you could get away with multiple files, - after some time (which
depends on the ambient temperature), - between some 20 and 40 minutes, the
sensor starts showing overheating alerts, and then ultimately shuts down.
I believe, this happens because the thermal sink is rather low (due to the
IS that needs to move the sensor).
So, even if K-3 can deal with larger files, - the sensor overheating is
likely to be present.
I hope this helps.
Igor
Larry Colen Thu, 27 Oct 2016 12:18:45 -0700 wrote:
A friend asked me to photograph his daughter's bat mitzvah this weekend.
He'd like to have video of the ceremony, put a camera on a tripod and let
it go. I've got a 15 year old JVC, also a K-3 and a K-3 II. I know that
the early pentax SLRs would only video for a few minutes before having to
stop and restart.
By the way, I'm willing to do this as a favor for a friend, he's willing
to pay me. Neither of us have any idea what professionals charge. It'll be
about 6hours with ceremony, dinner and party. Anybody have a rough idea
what it would cost him to hire someone that does this for a living?
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