When the value is out of range, the fields will become yellow. Cctv security camera lenses, box cctv camera lens cctv camera pros a wide variety of security camera lenses for cctv cameras. Software for cctv systems design milan adamek 1,a michaela barinov a and tomas havir 1 1 tomas bata university in zlin, faculty of applied informatics, nam. Security cameras utilize two basic lens types based on focusing parameters.
There are a number of good on line lens calculators but while they do the same result as the lens wheel above, they still do not factor in the cameras installation height or tilt, which are needed for a more accurate calculation. Fixed lenses have a fixed focal length while varifocal lenses have a focal length that can vary. This lens calculator displays the viewing angle and the focal distance for cctv lenses. Along with the traditional feature of many lens calculators calculation of the angle of view and fieldofview size depending on the distance and the lens focal length, this cctv lens calculator offers several new, more effective tools. Security camera lenses box cctv camera lens varifocal. Cctv lens field of view calculator the function of the lens is to collect light reflected from the scene and focus it into an image onto the cctv camera sensor. Lens curvature, width, position, type of glass some can be fixed, other vary with focal length, focus e.
The field of view or fov is the total height and width of the view seen through the cctv security camera lens. The calculated tables can be simply pasted directly into a spreadsheet or word processor or printed for a permanent record. Cctv design lens calculator is an easy free tool for cctv design. The computar range calculator is simple device to use for estimating focal length, object dimension and angle of view, alternatively the vm300 view finder gives an optical way of finding focal length. Black art of massaging the merit function optimize for. This is where a 3d drawing software is the preferred option. Cctv lens calculator simulator choosing the correct lenses for your security cameras is an important aspect of designing an effective video surveillance system. Design a cctv project to this type of client usually involves time and dedication, because most of the time you will compete with several other companies that just like also sell cctv surveillance systems a corporate client will in most cases pay for a welldesigned cctv project with higher cost project because they have a need for a high quality cctv system and are willing to pay for the.
On field of view and lens focal length tab you can use builtin lens calculator to calculate the cctv lens focal length, camera field of view, pixel density at. This lens calculator displays the angle of view of common cctv lenses. The width and height of the sensor will determine the field of view, and will be used to calculate the crop factor. Focal length each lens model has a range of focal length. The lens focal length and the image sensor size determine the cameras fov. These are the standard ccd sizes used in cctv and security applications. How to calculate your cctv lens requirements ask the. It can also be referred to as the angle of view or the angular field of view. It helps you choose the most suitable lenses, heights, and locations for camera installation as per the required parameters of view areas. Despair no longer, as our intuitive cctv lens calculator will help you bring everything you need into perspective. In an effort to guide your decision, we have created this handy cctv lens calculator and view simulator.
You can also copy the results and images to the clipboard. Typically the goal is to cover a wide area without an emphasis on detail. Cctv lens calculator new generation of lens calculators. Cctv systems provide surveillance capabilities used in the protection of people, assets, and systems. Understanding cctv lenses clearview communications. First cctv lens calculators were wheel calculators made out of paper. In a cctv camera, the imaging element has a rectangular sensor area the image size that detects the image produced within the image circle. It enables easy calculation of an appropriate lens focal length, camera viewing angle, ip camera bandwith, storage capacity for records archiving and of other camera system parameters.
Technical information megapixel lens for megapixel camera to capture the full resolution of a megapixel camera, it is essential to use a high quality megapixel lens. Cctv operational requirements manual, published by hosdb in 2006. Focal length adjusted without focus shift of image plane. Cctv camera lens calculator the function of the camera lens is to collect light reflected from the scene and focus it into an image onto the cctv camera sensor. The angular field of view is stated in horizontal and vertical degrees.
Please define your desired specifiacation below and we will filter our selection to show you suitable lens models. Correctly designed lighting can make a significant impact on the performance and effectiveness of the cctv system, ensuring the system works day and night. The camera lenses that cctv camera pros supplies generally range from 2. We use 4mm cameras under eave or on the way to cover a small area like an entrance, a back door, a corner of your yard or deck. Cctv lens calculator allows to export the results of calculation and models of images as screenshots in formats. The larger the size of the lens, the more narrow and zoomed in the field of view is. Feel free to use the cctv field of view calculator above for your own calculations. How to calculate object detail level based on field of. Security camera field of view calculator security camera. The complete guide to cctv lighting covers all of these challenges in detail to increase the understanding and appropriate use of lighting.
A security camera lens size determines the field of surveillance view and zoom level that the camera provides. If you are unable to connect, please contact your network administrator and request that those addresses be whitelisted. This is not a common lens focal length so either the working distance would need to be adjusted or a nonstandard lens that allows the user to vary the focal length is required. Most cctv applications use a fixedfocallength lens, which, like your eyes lens, covers a constant angular field of view. Cctv camera lens, distance, angles and coverages cctv. The calculator is compatible with all the standard ccd sizes, such as 14 inch, inch etc. Click to watch a video that compares different cctv lens sizes and click here to view a cctv camera lens chart to compare the field of view of different. Enter the ccd chip size, lens size, and distance to object. In the case of the later, a specific detail level measured in pixels must be calculated for. It offers standard functions of lens calculators calculation of the fieldofview size depending on the distance and the lens focal length as well as several new, more effective tools. Choose the size of the ccd you will be working with. Cctv design lens calculator free download for windows 10.
If you require any further assistance in specifying your criteria or need additional information please contact us. Cctv calculator is a tool designated for camera system basic parameters determination and testing. Zavio hard drive calculator allows users to calculate the hard drive space required and internet connection speed required for zavio ip cameras. Zoom camera a zoom camera is a special type of box camera that includes an optical and mechanical zooming device. Image sensor and lens dimensions zoom cameras fig 8. Cctv lens calculator advanced free lens calculator for. The ratio of the length of the horizontal to vertical sides of a video image is. A cctv system serves mainly as a security force multiplier, providing surveillance for a larger area, more of the time, than would be feasible with security personnel alone. Lens calculator for cctv design cctvsecuritycamera. Security camera lens size comparison cctv camera pros. Cctv lens calculator is a free useful lens calculator for cctv design. A simplified calculation for 14inch cctv lens can be made using the following formula. Networked surveillance system design guide choosing network cameras 8 fig 7.
All of the lenses on this page can be used on our professional box ccvt cameras and our ip box security camera. Cctv design lens calculator can calculate the angle of view and fieldofview size based on the distance and the focal length of the lens. Most cctv applications use a fixedfocallength ffl lens, which, like your eyes lens, covers a constant angular field of view fov. Calculating camera sensor resolution and lens focal length. Cctv design lens calculator free download windows version. The lens calculator is a basic guide and can be used when using any ccd sizes, such as 14 inch, inch which are the typical ccd sizes used in the cctv industry. These are called fixed lenses and varifocal lenses. Calculate lens millimeter selection according to area size the field of view calculator or fov is used to help predetermine proper lens selection prior to installation. Choosing the correct lenses for your security cameras is an important aspect of designing an effective video surveillance system. Set the basic parameters, filed of view parameters, and range of view parameters as you desired. One such wheel lens calculator is shown bellow and the procedure to use this is pretty simple.
This is lenscalc lite a lightweight version of lenscalc pro. A more familiar term used for electric powered varifocal lenses is a zoom lens. By adjusting the parameters below you can visualize the effects of different. Enter your measurements in columns 1 and 2 result will be displayed in column 3. Lens calculator to choose the optimum qioptiq linos photonics machine. Lenses are manufactured with a limited number of standard focal lengths. How to calculate lens requirements ip cameras cctv. In cctv field of view depends on a number of factors such as the sensor format, the focal length of a lens, and the distance from the objects. General lens chart to calculate vertical height horizontal width of target scene or frame. Lenscalc is a universal tool designed to eliminate the frequent errors, misreadings and interpolation problems from using traditional lens calculators. How to calculate your cctv lens requirements here is a stepbystep guide on how to calculate your cctv lens requirements.
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