El Matadurr
Veteran Member
Exactly. It's the size of the 5n that is the limiter. There's not enough internal volume/external surface area.
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NEX-5N vs NEX-7 Video Overheating
- Thread starter Kalimat
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Melbourne Park
Veteran Member
Because you can get shallow depth of field video with a m43 and even more with a NEX. And they are lighter than a 5D MK2. And cost less. And a lot cheaper than a Red.
Shallow depth of field allows great isolation of what you are focussing.
And especially with m43, there are some fastish lenses which allow this better. And constant aperture when zooming, on Panasonic's 14-140 lens, which unfortunately is not bright enough for inside work.
GodSpeaks
Veteran Member
People have DIFFERENT needs, and just because YOU do not want/need to record long segments, does NOT mean that others do not need to.
Recording live events is a case in point. Such events can run for hours, and having a camera that CAN record the whole thing is a must.
And please, do not trot out the platitude 'get a real video camera'.
For some, that is not an option. For others, having a high end camera capable of high quality stills AND video is the best option.
I also NEED a camera that can record continuously for long periods. For me, I use my NEX like camera as a B camera on a shoot. It is the B camera to my primary (A) camera, which is a broadcast quality video camera.
In fact, I was hoping the NEX-7 would perform. But alas, such is not the case. So I bought the Panasonic GX1 instead. The GX1 does record continuously in 1080P30 for well over 30 minutes.
So as you can see, having equipment perform to meet your needs IS an important consideration.
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The greatest of mankind's criminals are those who delude themselves into thinking they have done 'the right thing.'
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GodSpeaks
Veteran Member
That sort of erratic behavious is not acceptable. Maybe a trip to Sony service is called for. Even if the camera can only do 20 minutes, it needs to do that 20 minutes reliably.
Let's hope Sony gets this/these video related issues sorted out quickly and issues a firmware update.
--
The greatest of mankind's criminals are those who delude themselves into thinking they have done 'the right thing.'
- Rayna Butler
Kalimat
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Yes, I think you're right. Reading a few online reviews would point to this camera being faulty (not typical behaviour).
Kalimat
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Well, my NEX-7 came back from Sony today, after a trip to them for repair. Sadly they couldn't find anything wrong with it... 
They (apparently) ran 4 x continuous 30 min tests on it without so much as a temperature icon appearing...
"Maybe it's fixed itself!" I thought. So I ran a test (camera had been in the back of a very cold delivery truck and indoor temperature was no more than 20°C / 68°F)... and it failed after 17 mins. Several more tests (with an hour or so between them) yielded results between 12 and 30 mins before overheating.
I spoke directly to the service center... they had no clue other than suggesting that they could take another look at it.
I've tried 3 different memory cards, 2 different batteries, 2 different lenses, many different settings on the camera, and all I can establish is that there seems to be no real pattern to the overheating. What did they do that I didn't?
They (apparently) ran 4 x continuous 30 min tests on it without so much as a temperature icon appearing..."Maybe it's fixed itself!" I thought. So I ran a test (camera had been in the back of a very cold delivery truck and indoor temperature was no more than 20°C / 68°F)... and it failed after 17 mins. Several more tests (with an hour or so between them) yielded results between 12 and 30 mins before overheating.
I spoke directly to the service center... they had no clue other than suggesting that they could take another look at it.
I've tried 3 different memory cards, 2 different batteries, 2 different lenses, many different settings on the camera, and all I can establish is that there seems to be no real pattern to the overheating. What did they do that I didn't?
El Matadurr
Veteran Member
They were running their tests in a freezer and the camera was powered via the AC adapter so there was no battery to get warm. Obviously.
T. L. Rutter
Veteran Member
When I bought my NEX-3, the salesperson that sold me this camera persuaded me to go for the Pro Duo Mark 2 specifically designed for HD recording. The only reason I let myself be persuaded to buy it was he had discounted it and second, I actually could have used another memory stick.
So I didn't use it. I put a regular SD card in and when I shot video, the camera overheated. I was really frustrated and then I put the 16mm lens on and the camera seemed to do better, but still overheated.
Then, I finally got the new memory card out and put that in, and from that point forward, as long as I use that card, my camera does not overheat!
I'm not sure if that truly fixes it for everyone, but it did for me. Give it a try. I am suspecting a higher class SD card or memory stick designed specifically for HD recording.
So I didn't use it. I put a regular SD card in and when I shot video, the camera overheated. I was really frustrated and then I put the 16mm lens on and the camera seemed to do better, but still overheated.
Then, I finally got the new memory card out and put that in, and from that point forward, as long as I use that card, my camera does not overheat!
I'm not sure if that truly fixes it for everyone, but it did for me. Give it a try. I am suspecting a higher class SD card or memory stick designed specifically for HD recording.
Kalimat
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Different SD memory seems to make no difference to me. I've tried three different brands; class 6 and class 10; 8GB, 16GB and 32GB - all show random(ish) overheating.
Sony's note on my camera reported they'd had no problems with 2 different memory sticks... I can't see why it would make a difference (and neither did Sony when I spoke to them) but perhaps the Sony Pro Duo memory might improve things? I'm going to order one and see if it changes the overheating.
perry rhodan
Veteran Member
That surely looks promising. Will defenitely buy one and try.
Re: "18-200mm lens back on and shading and distortion correction turned off (but CA correction left on... the NEX-7 runs and runs happily – no warnings, no overheating"
You may be onto something here, less processor processing = less heat.
You didn't happen to notice if the battery discharged slower?
You may be onto something here, less processor processing = less heat.
You didn't happen to notice if the battery discharged slower?
Wanderer82
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I just received my Sony NEX-7. I purchased a 32 gig SD Extreme Pro SDHC UHS-I Card - 95 meg speed. Recording a full 29 minutes, no overheating. I believe users have the overheating issue because they use an SD card without high write speeds.
crazydoctor
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my nex 7 goes 10mn of video before shutting down.
Is this solution of a faster memory card confirmed? Will this memory card suffice for a NEX-5n?
http://www.amazon.com/Transcend-Class-Flash-Memory-TS16GSDHC10E/dp/B003VNKNEQ/ref=sr_1_1?s=electronics&ie=UTF8&qid=1339524240&sr=1-1
http://www.amazon.com/Transcend-Class-Flash-Memory-TS16GSDHC10E/dp/B003VNKNEQ/ref=sr_1_1?s=electronics&ie=UTF8&qid=1339524240&sr=1-1
Focus Breather
Veteran Member
Just curious.
If the battery heat is additional reason for overheating issue, and communication between SD card and camera also has something with it,
would recording with OPEN battery and SD card compartment prolong recording time?
If the battery heat is additional reason for overheating issue, and communication between SD card and camera also has something with it,
would recording with OPEN battery and SD card compartment prolong recording time?
Hi
No, my test have led me to the conclusion that what everyone is observing, warm camera components, are just a consequence of the problem and not a part of it.
The real problem is internal heat, which then dissaptes out to give those warm camera part symptoms/results.
I ran the 5R with an air conditioner blowing cold air over it and it didn't affect the results... nor would opening the battery compartment door, which is a bad idea from an operational standpoint.
Anthony
Many of these cameras have this problem, it is not likely that your camera is any more faulty than the rest when it concerns overheating.
Anthony
The heat issue is internal and what you are observing (external component heat) is just a result, not the source. There is little you can do to improve the performance, it is the essence of these cameras.
It is doubtful that Sony could do anything to fix the problem. I think they pushed this little camera's resources to the limit.
A faster memory card may help to reducing the overheating issues of this camera, though more testing is required.
Anthony
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