Motion blur on AOV cameras: what actually causes it, and how to specify around it

The short answer: no, AOV is not what makes your stills blurry

No. Always-On Video does not cause motion blur in captures. AOV describes when a camera records — continuously, 24/7, holding a low standby draw through AI scene analysis — not how each frame is exposed. An image blurs for exactly one physical reason: the shutter stayed open longer than it took the subject to travel a few pixels across the frame. That comes down to the light available on the scene, the exposure the sensor picks for itself after dark, the bitrate the codec has to compress motion into over a 4G link, and how the unit is mounted. None of those four change because the recording happens to be continuous.

In fact, all else equal, an AOV camera usually delivers better stills than a PIR-triggered one. By the time a subject enters the frame, the AOV sensor is already exposed, with gain and white balance settled. A PIR camera wakes the sensor after the event has already started: the first frames are recorded while auto-exposure is still catching up, and those are exactly the frames — the moment somebody appears — that come out washed out or smeared. That is the complaint buyers then misfile under "AOV".

For an importer the practical takeaway is blunt: if someone presents blur as an inherent flaw of AOV, the claim is technically false, and it is worth asking what that source is selling instead.

Where the confusion comes from: a "photo" that is really a video frame

On a 4G security camera, the thumbnail that lands on your phone is almost never a photograph in the classic sense. It is a frame pulled out of the video stream, captured with the settings the camera needs to hold smooth continuous video, not the settings that would optimise a still image. That is why a security capture rarely looks as crisp as a phone photo: two different compromises from the same sensor.

On top of that sits a second effect specific to cellular links. The 4G live view is transmitted compressed and adapted to whatever bandwidth happens to be available at that moment. A buyer judging camera quality by what the app shows on a weak signal is assessing the network link, not the sensor. The local microSD recording keeps a higher quality than the stream on the phone. It is a distinction worth explaining to your own end customer before the sale, because it heads off returns that have nothing to do with a faulty unit.

The four real causes of a blurred capture

Angle matters more than it looks

A subject crossing the frame perpendicular covers a lot of pixels per unit of time and blurs easily. The same subject walking toward the camera covers very few and stays sharp at exactly the same exposure. Aiming the camera along the traffic corridor — the gate approach, the walkway, the lane — instead of across it is the cheapest correction available and costs nothing in hardware. For installers and distributors it belongs in the installation script.

Framing and optics

A wide-angle lens mounted far from the point of interest spreads few pixels over the subject: any movement reads as softness, even when the exposure is right. Dual and triple-lens models exist precisely to solve this — one channel covers the wide scene while another holds detail on the critical zone, without making you install two cameras or run a second SIM.

What actually controls the result in the purchase spec

The AOV catalogue is 49 SKUs across four series, with wholesale prices quoted per order. These are the real configurations; check them against any quote you are given:

Three readings that matter for purchasing:

• Standard resolution is 1080p–2K. 4K is built only as a custom OEM project. Be wary of high resolution sold as a cure for blur: more pixels on a moving subject give you a bigger blurred image, not a sharp one. Light and angle outrank megapixel count.
• Battery capacity decides how much you can record after dark. The SG-D42G-15F66-V* series pairs 20000mAh with a 15W panel; the other three series run 8000mAh and 8W. On sites with partial shade or a long rainy season, that difference is what decides whether the camera holds night operation or drops into power saving exactly when you need it.
• Storage is microSD up to 128GB. If your customer needs longer retention, the right route is higher-capacity cards on a custom project, or a properly defined overwrite policy — not a catalogue promise the hardware cannot keep.

You can work through the models one by one in the full catalogue, 150 SKUs with wholesale prices quoted per order.

A test protocol before you place the order

No spec sheet answers the blur question. An installed sample on the real site does. Samples ship by air in 7 to 10 days; volume orders go by sea in 25 to 40 days, and Vietnam delivery runs 7 to 10 business days. Installation takes 5 to 10 minutes per camera, so a complete field test is an afternoon's work.

What to do with the sample:

1. Mount it where the final unit will go, at the same height and the same angle. A desk test proves nothing.
2. Evaluate at dusk and before dawn, not at midday. The day/night transition is where exposure problems show up.
3. Walk the traffic corridor in both directions: across the frame, and straight toward the camera. Compare the two captures; the difference tells you where the unit should point.
4. Judge on the microSD file, not on the app. If the live view looks worse, the problem is cellular coverage, and it is solved with siting or carrier choice, not by switching manufacturer.
5. Repeat with whatever grille or mesh exists on the actual site. Structural vibration ruins more captures than any sensor limitation.

Trial MOQ is 10 units, and 100 for OEM/ODM projects. Volume terms are laid out on the wholesale page.

Manufacturing, certification and commercial terms

The units are built by Shenzhen Leksell, TÜV Rheinland certified and CE, FCC and RoHS marked, in operation since 2012. Every model, the 49 AOV units included, supports OEM and private label: logo, packaging, manual in the language of your market, and firmware adjustments for the destination market.

Distribution margins run 20% from ~10 units and 30% from ~50. Weatherproofing is IP66 on outdoor models, with no exceptions and no in-between versions in the catalogue. The regional office is in Ho Chi Minh City; we do not run additional warehouses in other countries, so the lead times above are the real ones, with no undeclared stops.

If you are building your own line of solar 4G cameras, the conversation about volume, price and timing always goes through a person: write to info@solaguard.net, or review current partner terms on the dealer page. We are glad to put together a sample configured for the exact scenario you will be installing in — pasture, construction site, yard or vehicle gate — and to go through the footage it returns from the field with you.