Slow Motion Record

Ladd Bodem · March 6th, 2010, 11:44 AM

Very cool. Thanks.

Tom Hardwick · June 13th, 2010, 11:48 AM

I know Sony say the 6 and 12 second takes in slo-mo degrade the image more and more, but why should this be so - does anybody know? The three time-lengths all use the same frame rate.

I see the shutter speed is bumped up quite a lot (1/215th slowest - no limit shorter), so it does mean you need good light for filming slo-mo. Also there's a tiny zoom-in when you switch to slo-mo filming, anyone else noticed this (like when you add the extra OIS, but less severe).

tom.

Stephen Pinchback · June 13th, 2010, 06:24 PM

I only stick with the 3 sec slowmo because the quality does get noticeably worst with the 12 and 6 sec options.

John Wiley · June 13th, 2010, 09:46 PM

Quote:

Originally Posted by Tom Hardwick

I know Sony say the 6 and 12 second takes in slo-mo degrade the image more and more, but why should this be so - does anybody know? The three time-lengths all use the same frame rate.

tom.

Most likely it is due to the size of the cameras buffer. In smooth slow motion the info can't be written to card in realtime because there is too much data, so it gets stored in the internal buffer. Because the buffer size cannot change, and the frame rate is the same in all three modes, as the length of recording increases, the resolution decreases to give the same amount of data.

It's similar to how some DSLR's work. With my Pentax K-X, shooting at 12mp, I can shoot a constant burst at about 4.5fps for about 2.5 seconds. If I lower the resolution to 2mp, I can shoot a constant burst for up to 6-7 seconds before the buffer fills up.

Tom Hardwick · June 28th, 2011, 01:39 PM

I do love the NX5's slo-mo, and have just noticed an interesting fact. When you switch to any of the slo-mo time-frames (3, 6 or 12 secs) the camera always jumps out of the 'Active' Steadyshot mode. I guess this is to retain as much image quality as is possible in these modes.

tom.

Ron Evans · June 28th, 2011, 01:41 PM

Active steadyshot uses memory that it needs for the slowmotion buffer ?

Ron Evans

Serggio Lamas · July 2nd, 2011, 05:24 PM

whats the best setting for rec slowmotion movie with glidetrak 3,6, or 12 sec and what sooter speed?

Tom Hardwick · July 3rd, 2011, 06:41 AM

The slow motion loses more and more quality the longer you record, so I only ever use the 3 secs.
The default shutter speed of 1/215th sec is the one to use.

Tom Hardwick · February 16th, 2012, 07:58 AM

In a previous post I was saying how easy it was to do hand-held tracking shots with the NX5 in its slo-mo mode using long telephoto settings. I've used this on wedding films for 'first time successful' shots of flowers, table decorations and so on.

Here's some very short examples pulled straight from the SDHC card (so are mute).

20110820004927 - YouTube

20110820005014.m2ts - YouTube

20110820005014.m2ts - YouTube
tom.

Mike Trewhella · February 16th, 2012, 03:26 PM

Hi Tom,
I really like the way you have your NX5 set up. I love the sharpness and colours. Would you be prepared to share your profile settings.?
regards
Mike

June 28th, 2011, 01:39 PM	#20
Tom Hardwick Inner Circle Join Date: Mar 2003 Location: Billericay, England UK Posts: 4,711	Re: Slow Motion Record I do love the NX5's slo-mo, and have just noticed an interesting fact. When you switch to any of the slo-mo time-frames (3, 6 or 12 secs) the camera always jumps out of the 'Active' Steadyshot mode. I guess this is to retain as much image quality as is possible in these modes. tom.

June 28th, 2011, 01:41 PM	#21
Ron Evans Inner Circle Join Date: Mar 2003 Location: Ottawa, Ontario, Canada Posts: 4,222	Re: Slow Motion Record Active steadyshot uses memory that it needs for the slowmotion buffer ? Ron Evans

July 2nd, 2011, 05:24 PM	#22
Serggio Lamas Regular Crew Join Date: Jun 2011 Location: Germany Posts: 163	Re: Slow Motion Record whats the best setting for rec slowmotion movie with glidetrak 3,6, or 12 sec and what sooter speed?

July 3rd, 2011, 06:41 AM	#23
Tom Hardwick Inner Circle Join Date: Mar 2003 Location: Billericay, England UK Posts: 4,711	Re: Slow Motion Record The slow motion loses more and more quality the longer you record, so I only ever use the 3 secs. The default shutter speed of 1/215th sec is the one to use.

February 16th, 2012, 07:58 AM	#24
Tom Hardwick Inner Circle Join Date: Mar 2003 Location: Billericay, England UK Posts: 4,711	Re: Slow Motion Record In a previous post I was saying how easy it was to do hand-held tracking shots with the NX5 in its slo-mo mode using long telephoto settings. I've used this on wedding films for 'first time successful' shots of flowers, table decorations and so on. Here's some very short examples pulled straight from the SDHC card (so are mute). 20110820004927 - YouTube 20110820005014.m2ts - YouTube 20110820005014.m2ts - YouTube tom.

March 6th, 2010, 11:44 AM	#16
Ladd Bodem New Boot Join Date: Feb 2010 Location: Wellesley, MA Posts: 7	Very cool. Thanks.

June 13th, 2010, 11:48 AM	#17
Tom Hardwick Inner Circle Join Date: Mar 2003 Location: Billericay, England UK Posts: 4,711	I know Sony say the 6 and 12 second takes in slo-mo degrade the image more and more, but why should this be so - does anybody know? The three time-lengths all use the same frame rate. I see the shutter speed is bumped up quite a lot (1/215th slowest - no limit shorter), so it does mean you need good light for filming slo-mo. Also there's a tiny zoom-in when you switch to slo-mo filming, anyone else noticed this (like when you add the extra OIS, but less severe). tom.

June 13th, 2010, 06:24 PM	#18
Stephen Pinchback New Boot Join Date: Apr 2010 Location: Houston, TX Posts: 11	I only stick with the 3 sec slowmo because the quality does get noticeably worst with the 12 and 6 sec options.

February 16th, 2012, 03:26 PM	#25
Mike Trewhella New Boot Join Date: Jun 2011 Location: Boldon Colliery, Tyne & Wear Posts: 12	Re: Slow Motion Record Hi Tom, I really like the way you have your NX5 set up. I love the sharpness and colours. Would you be prepared to share your profile settings.? regards Mike