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Frequently Asked Questions (FAQ)

This in general is a comparatively difficult decision. Many aspects of the installation must be taken into consideration in order to obtain the correct performance that meets your requirements. A high resolution camera should be considered where greater detail of scene is required. E.g. Colour 460 TVL, Monochrome 570 TVL. Choosing a more sensitive camera will improve reproduction in poorly lit areas. The sensitivity of a camera is indicated by the minimum amount of light in order for the camera to produce a usable picture. e.g. Colour 1.0 Lux at F1.2. A conventional camera produces a pale backdrop when an object is shot against a bright background. BLC (Back Light Compensation) will counter strong light sources retaining picture quality. Concentrated light sources directed towards the camera (e.g. car head lamps) can be inverted by an optional peak white inverter or an eclipser function. This has the effect of bringing detail to areas and making an object clear, that would otherwise be shadowed.

The addition of the following: When setting the back focus of a Colour camera for low light conditions you should place an ND1 (Neutral Density) filter in front of the lens. When setting the back focus of a Mono camera for low light conditions you should place an ND3 (Neutral Density) filter in front of the lens. When setting the back focus of a Mono camera fitted with I/R lighting for low light conditions you should place an IRP (Infra- Red Pass) filter in front of the lens. Should you not have any of the above filters you may have to attend site during the hours of darkness.

The most common resolve to this is to ensure that both camera and lens are the same mount i.e. ‘CS’ mount lens on a ‘CS’ mount camera and a ‘C’ mount lens on a ‘C’ camera.

OSD (On Screen Display) cameras have a menu system within the camera assembly that can be accessed in order to set functions such as Iris levels, AGC on/off and most features of standard and advanced cameras.

This is due to the depth of field changing as the light conditions change and can be easily overcome by following set procedures.

 
 

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+91 9840243403 / 9944988473 /
044 48520425

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info@eagleeyetechno.com