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Expert
Posts: 306
Registered: ‎02-03-2016
Message 1 of 16 (453 Views)

Which action cam is dimensionally identical to X3000?

My X3000 has suddenly developed a soft focus.

 

This is the one I modified to freeze the optical stabilisation (because it was producing really bad jello) and I took it apart to check if the mod may have moved but it hasn't. It is rock solid. I put the camera on a heater (+50C) for a few days to maybe dry out moisture (it happened during a ski trip) but that has not worked either.

 

So I am looking at buying a new one.

 

I would rather not pay the 400 quid for a new X3000 if I can get something cheaper. I don't shoot at 4K for various technical reasons. I just need 1080P 50fps and the software stabilisation. I am not even using the wifi or bluetooth or the sound input.

 

Is there a model which is externally identical (including the USB connector position) to the X3000 but does only 1080?

 

I believe there was one. The Q is whether the geometric distortion **AT 1080** is no worse than the X3000. With the X3000, the distortion at 1080, medium zoom, was low enough to not need correction.

 

Otherwise I will keep checking Ebay for a used X3000.

Expert
Posts: 1,107
Registered: ‎11-02-2015
Message 2 of 16 (447 Views)

Re: Which action cam is dimensionally identical to X3000?

Hi Peter,

there is only the HDR AS300, yet that one also uses BOSS.

The other cameras have different dimensions.
Expert
Posts: 306
Registered: ‎02-03-2016
Message 3 of 16 (422 Views)

Re: Which action cam is dimensionally identical to X3000?

Has anyone compared the optical distortion of the X3000 with the AS300, at 1080P?

Expert
Posts: 1,107
Registered: ‎11-02-2015
Message 4 of 16 (418 Views)

Re: Which action cam is dimensionally identical to X3000?

It is the same optical distortion - the lens is the same, the hardware is the same, just the firmware is different.

The 1080p mode gives you the same exact video quality wise and lens distortion wise as the FDR X3000.

You only miss out on the 4K30fps modes (100/60Mbit/s) and the super slow motion modes (720p240fps and 1080p120fps).
Expert
Posts: 306
Registered: ‎02-03-2016
Message 5 of 16 (380 Views)

Re: Which action cam is dimensionally identical to X3000?

[ Edited ]

The curious thing is that the AS300 doesn't exist on Amazon and Ebay prices are close to the X3000.

 

I have ordered the special miniature HDMI cable for the X3000 because that will allow me to fiddle with the optics while watching the video in real time. I separated the lens assembly (it is glued on) and it did not appear to have come loose, so this is a mystery. However about the only reasons for a loss of focus are moisture or misaligned optics so this is worth a try.

 

I would post pics but this website deletes images served on a 3rd party server.

 

BTW as regards optical distortion, that will depend on which portion of the lens is being used. If the AS300 has a sensor which is the same size as the part of the 4K sensor which the X3000 uses in 1080 mode (and with medium zoom selected) and the optics are the same, then the distortion should be the same.

Expert
Posts: 1,107
Registered: ‎11-02-2015
Message 6 of 16 (348 Views)

Re: Which action cam is dimensionally identical to X3000?

Maybe you can purchase it on amazon.de - shipping from Germany shouldn't be too expensive.

The distortion is exactly the same as the X3000 in the equivalent modes. If you set the camera to "wide" and film in 1080p, the full sensor gets used just like on the FDR X3000.
Expert
Posts: 306
Registered: ‎02-03-2016
Message 7 of 16 (326 Views)

Re: Which action cam is dimensionally identical to X3000?

However, the full sensor on the AS300 is not the same size as the full sensor on the X3000, is it?

 

I don't know if the X3000 shoots 1080 with the full sensor (*) and downsamples it, or shoots 1080 with just 1920x1080's worth of pixels which I bet is what most action cams do.

 

(*) the full sensor will be used only on 4K, and then you lose software stabilisation, hence the optical stabilisation.

Expert
Posts: 1,107
Registered: ‎11-02-2015
Message 8 of 16 (321 Views)

Re: Which action cam is dimensionally identical to X3000?

[ Edited ]

It uses the full sensor area if you prefer this wording.

The sensor has a resolution of 12 Megapixels (4624x2600px - slightly over 12MPx - to be exactly 12022400pixels), which ensures, you always get "real 4K" out of the camera.

'Active' BOSS on the X3000 is OIS with a pinch of software stabilization, yet the camera still uses enough of the sensor for native 4K.

The HDR AS300 uses the same hardware, so its 1080p will look the same as the same mode on the X3000.

Expert
Posts: 306
Registered: ‎02-03-2016
Message 9 of 16 (249 Views)

Re: Which action cam is dimensionally identical to X3000? (soft focus on X3000)

[ Edited ]

As a quick update, I dismantled the camera and established that something in the optics had indeed moved. Well, that's obvious I guess...

 

I found that if I press onto the back of the PCB carrying the sensor (i.e. force it into the stabiliser assembly) it brings the image into sharp focus. It needs quite a lot of pressure, so (with no warranty on this camera anyway, due to my earlier mod to disable the stabiliser to stop the horrible jello effect) I weighed the sensor down and am gluing it in place using high strength epoxy.

 

I should know tomorrow if it worked Smiley Happy

 

The camera should not be aware of any change because there is no evident position feedback in the optical stabiliser. It is open-loop i.e. the camera uses accelerometer signals to send a specific current into the stabiliser coils.

 

I can't post a photo because this website strips out external image links, as well as various words and phrases Smiley Happy

Expert
Posts: 1,107
Registered: ‎11-02-2015
Message 10 of 16 (242 Views)

Re: Which action cam is dimensionally identical to X3000? (soft focus on X3000)

Why don't you then post your images and videos on the UK forums? I am very interested in your findings and in the Sony UK forums I am actually a moderator and can ensure that your posts don't get deleted Smiley Wink

- Nic

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