StarDot Technologies net camera manual Imaging Tips, Outdoor Lighting

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Chapter 4 Imaging Tips

As is the case with any camera, whether digital or film-based, steps can be taken that will great improve image quality. NetCam is no exception to this rule. The following tips will help you achieve the best possible images with NetCam.

4.1Lighting

Lighting is the single most important factor in quality photography. Proper lighting makes the difference between an amateur-looking snapshot and a professional-looking image. Lighting for a live still camera such as NetCam can divided into two categories: outdoor and indoor.

Outdoor Lighting

In most outdoor imaging situations, you do not have much control over the lighting since most of your lighting obviously comes from the sun. However, you do have control over the lens settings and the positioning of NetCam. If you have a motorized zoom lens, you can ignore the iris section, since the iris is controlled automatically by NetCam.

The Iris

The first thing to consider with outdoor lighting is the lens iris. The iris is an adjustable ring that controls the size of an aperture inside the lens barrel. The smaller the iris, the less light that reaches the CCD sensor. The bigger the iris, the more light that reaches the CCD sensor. It is critical that NetCam’s lens iris is set properly when pointing NetCam outdoors. The reason for this is twofold -- it provides much better image quality and it prevents permanent damage to the CCD sensor. If your lens has iris markings on it, adjust the iris to ƒ16 (the larger the ƒ-stop, the smaller the iris). If your lens does not have numerical iris markings, look into the lens and visually watch the aperture change size as you turn the iris ring. You want to adjust the aperture until it is roughly the size of a pinhole.

Precisely Setting the Iris

•With NetCam in its permanent outdoor position, set the iris to the size of a pinhole.

•In the Overlay Properties page, add $e to the Text string.

•Monitor the live image. In bright daylight, the exposure should read between 100 and 500.

•If the exposure is less than 100, close the iris more. If the exposure is more than 500, try opening the iris slightly.

•Note: Make sure “Auto Exposure” is enabled. The iris setting is a one-time procedure.

NetCam

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Contents Netcam Page Table of Contents NetCam What’s Included and What’s Required ConfigurationBefore You Start Parts of NetCam Connecting NetCam to a NetworkManual IP Assignment An Overview of Network ConnectivityAutomatic IP Assignment Dhcp NetCam Connecting NetCam to a Modem Installing NetCam InstallationMounting the Camera Installing NetCam OutdoorsLens Adjustment Image Properties Accessing NetCamAccessing NetCam’s Configuration Menus Viewing NetCam’s ImagesExposure Grid Auto ExposureFluorescent Sync Manual ExposureGamma ResolutionProcessing SaturationAuto Color Balance HazeJpeg Quality SharpenFont Overlay PropertiesTIME/DATE/TEXT Stamp TextMarkup Character Reference Sample Colors ChartFont Color Background ColorCamera Markups Symbol MarkupsTime Markups Date & Time Shortcut MarkupsPositioning Markups Required Fields Hostname PasswordFTP Properties FTP UploadAdvanced Fields Rotating Archive Passive ModeTimeout Path/FileSchedule DelaySecondary Path/File Current IP Link Path/FileHow do I display the live image on my web site? Upload WindowImage-Click URL Applet PropertiesImage Viewer Java Applet SizeStatus Bar Color Status BarStatus Text Status Text ColorManual Time Set Setting the Date and TimeDate/Time Properties Automatic Time SetSAST-2SADT Time ZoneDhcp Network PropertiesEthernet IP AssignmentWeb Server Port Network HostnameGateway Domain Name Servers DNSInitialization String Dial-Out PropertiesInternet Dial-Out Connection PPP Baud RateAlways Up Default ConnectionSend CR After Login Shell LoginNetCam Users Security PropertiesDeleting a User Advanced MenuAdding a New User Weather Station TZO Dynamic DNSOutdoor Lighting Imaging TipsLighting Indoor Lighting SunImage Processing Options Changing Lenses NetCam LensesFocus Ring Iris RingNetCam Technical Support Troubleshooting GuideFCC Statement of Compliance SpecificationsOrangethorpe Ave Buena Park, CA 90620 U.S.A Fax

net camera specifications

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