Posts Tagged ‘high-resolution’

Sanyo HD 4000 Four Megapixel Full HD CCTV Camera promo site

Tuesday, December 23rd, 2008

Sanyo VCC-HD4000 4 Megapixels Full HD Network CameraSanyo have launched a new 4MP HD CCTV camera - their model VCC-HD4000.

They’ve built a rockin’ promo website to launch this new IP CCTV camera (switch your speakers on!).

It’s got a great specification, including:

  • 4 megapixel camera
  • built-in 10X optical zoom lens with auto-focus
  • 16X digital zoom in addition to the optical zoom
  • Day/Night capability with IR cut-filter
  • Dual stream H.264 and JPEG
  • POE (Power Over Ethernet) ready
  • SD memory card slot for video storage at the camera
  • USB port for direct attached USB HDD
  • HDMI port

We’ll be adding this new camera to our webshop early in the New Year, if you can’t wait until then just get in touch …

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Theia wide-angle lens article

Wednesday, December 17th, 2008

There’s a good article illustrating and explaining the advantages of rectilinear wide angle lenses over at IP Video Market Info.

Rectilinear lenses enable you to set up wide angle views without those rounded corner fish-eye effects that you’d normally get with a standard wide-angle lens.

These lenses are rated for use with megapixel IP cameras and are ideal for providing ultra-wide covearge with the megapixel resolution maintained right out to the edges of the field of view.

Theia lenses are available from our online web shop.

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Megapixel Definition

Tuesday, November 25th, 2008

Megapixel resolution - what do we mean by megapixel?

Before network IP CCTV cameras came along the resolution of traditional analogue CCTV cameras (connected by co-ax) was measured in TeleVision Lines (TVL).

This TVL parameter indicated that if you ran your finger horizontally across a CCTV image this would be the number of vertical lines that you would be able to resolve. Obviously, the higher the number the greater the level of detail indicated.

The highest specification analogue colour CCTV cameras currently available can resolve to 540-560 TVL. Monochrome (black & white) analogue CCTV cameras perform slightly better and the best will claim somewhere around 620TVL.

Just to put these analogue TVL figures in perspective with the current IP camera performance - 540TVL is equivalent to 0.4 Megapixels.

Pixels is a term of resolution used commonly in the IT world. Computer monitors will have their resolution specified by means of a horizontal and a vertical pixel resolution e.g. 1440 x 900 pixels.

Digital still cameras also express their resolution capability in terms of pixels, of course nowadays these too all deliver megapixel images.

A typical megapixel IP CCTV camera might have a resolution specification of 1920 x 1080 pixels.

If you multiply the horizontal (1920) by the vertical (1080) pixels you get a total pixel count of 2,073,600 pixels.

This value may also be expressed as 2.073 Megapixels (Mega equals millions).

It is interesting to note that the co-ax connected analogue CCTV camera has been stuck at or below the current glass ceiling of 560TVL for about the past five years.

In an era when you can readily purchase a mobile phone with a built-in 8 megapixel camera, why would anybody install a security imaging solution based upon co-ax which is unlikely to ever exceed 1/20th of the performance of a mobile phone?

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ACTi ACM-4200 Megapixel Demo Video Clip - now online

Sunday, September 14th, 2008

ACTi ACM-4200 is a great value megapixel IP camera, absolutely ideal for indoor applications for schools, offices and retail shops.

Don’t take our word for it check out the image quality from this budget-priced 1.3 megapixel camera in our video gallery.

A unique feature, compared to similar cameras in this price range, is the ability to change the lens - you can fit a replacement lens to give you exactly the field of view that you need to cover (the more closely you clip your field of view to the area you are actually interested in, the greater the number of pixels concentrated on that area, the better the delivered video resolution when you need to review recordings).

Don’t forget that ACTi offer their NVR Enterprise video recording software free of charge for use with up to 16 of their cameras.

As always, we look forward to your comments and feedback:

You can add comments to this blog Post below.

Feel free to ask any IP CCTV queries at our IP CCTV forum.

You might like to subscibe to this blog in an RSS reader (top right of our blog home page).

We’d be delighted to have you sign-up for our email newsletter and allow us to keep you informed of the latest developments in this fast-moving sector.

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IP CCTV Video Clips in High Quality Player by SmugMug

Friday, August 29th, 2008

At use-IP we are very keen that you should have the opportunity to be able to appreciate product performance before you have to make your purchase decision.

We realise that we are in the vanguard of IP CCTV and megapixel security cameras, we have a point to prove and we’ll do all we can to demonstrate it to you. Megapixel IP cameras ARE the future of CCTV.

We see some great high-definition video clips from megapixel cameras, but not everybody browsing our website is going to be keen to download the manufacturer’s player software onto their PC and run their own demo with the footage provided.

So, we’re pleased to announce that we have found a high-quality video clip player that does a really good job of delivering that compromise between performance, image quality and patience. Please realise that nothing that we can easily host online and present to you on your own PC via the web will be quite as good as using the manufacturer’s player locally. Most online video services, such as YouTube, Flickr, Google Video, just do not even come close.

use-IP have set up a SmugMug Pro Account to showcase our video clips. SmugMug is probably THE preferred online photo album showcase for professional photographers - they care about quality of image, and quality of service.

We’re really pleased with the initial playback performance results that we are seeing. The video images that you will see played back from our SmugMug Pro account are probably the best comparison playback clips for CCTV performance that you’ll find anywhere on the web!!

As we said above, they are a slight compromise to video delivery performance - they will take a little time to download and play, but you would probably not be willing to wait for the full file sizes which we uploaded.

You’ll be interested to learn that SmugMug use H.264 video compresssion to achieve this web playback performance.

You can adjust some playback settings and choose what size you want to view the clip at.

One great feature that’s built-in for the pro photographers, but we spotted and loved straight away is the ‘Smugloupe’ - if you switch your view of our album to ‘Critique’ - using the dropdown at the top RHS of the page. The clip preview images will be presented one at a time, above the preview you’ll see a tick box for the smugloupe; tick this and you will have a 4.5X magnifying glass that you can move around the image with to checkout a better idea of the available resolution in the image.

We have opened our SmugMug album with video clips from the ACTi ACM-1231, we will of course add further clips from other cameras in due course (but if we’re entirely honest it was the need to show to all of you the fantastic footage achieved from this camera that spurred us on to find this solution!).

Without further ado, you can visit the product page in our web shop to see how we’ll be featuring these video clips:

ACTi ACM-1231

Or, go straight to our use-IP SmugMug Album

As always, we look forward to your comments and feedback:

You can add comments to this blog Post below.

You can ask any IPCCTV queries at our forum.

You might like to subscibe to this blog in an RSS reader (top right of our blog home page).

We’d be delighted to have you sign-up for our email newsletter and allow us to keep you informed of the latest developments in this fast-moving sector.

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