A cctv lens calculator can help you figure out what type of lens you need on your security camera. Asking yourself can help you better strategize your angle of interests and focus on the importance of the task at hand. Angle of view calculator select page the following calculations have been put together to assist with choice of lenses, by determining the horizontal angle of view that will be generated for a lens with a given focal length, or by showing the focal length you would need to find in order to achieve a given horizontal angle of view. The calculator show a picture that represents the image resolution you can expect from the camera and lens combination as well as a picture showing how wide the field of view is.
Different lenses of equal focal length will always have the same angle of view when used with the samesize sensor. The other two textboxes will fill when you click calculate. The field of view or fov is the total height and width of the view seen through the cctv security camera lens. Security camera field of view calculator security camera king. Choosing the right angle of view or field of view fov is about 70% of the skill in getting great results from your cctv design. This simulator is not compatible with the cameras image area selection. This calculator computes the number of images and lens focal lengths required to create a mosaic image covering the same field of view as a single image. Optic basics calculation of the optics visiondoctor. Calculation of zoom, focal length and angle of view at. It helps you choose the most suitable lenses, heights, and locations for camera installation as per the required parameters of view areas. Calculation of zoom, focal length and angle of view at objectives. It is recommended to upgrade to the latest version. With fisheye lenses, the value of the angle of view varies according to the camera format selected, however, the.
Shorter focal lengths provide a wider angle of view, while longer focal lengths give a narrower view angle, allowing you to zoom in on distant objects. See configuration below for more details on this the angle of view of a lens depends on the focal length of the lens, and on the size of the sensor or. It will also provide the angle of view or angle of coverage. The angle of view of a lens depends on the focal length of the lens, and on the size of the sensor or film upon which the image is being projected. Internet explorer 10 and above, chrome 50 and above, firefox 50 and above. Lens calculator industrial image processing matrix vision. It is compatible with all 35mm film and digital slrs that sigma make lenses to fit such as their own sigma sd9 or the sigma sd10, and cameras like the canon eos 10d or. In the case of zoom lenses, both the minimum and maximum focal lengths are stated, for example 1855 mm.
Rotate the icon to adjust the mounting angle in vertical plane. A focal length of a lens is the distance in millimeters between the point of light convergence in the lens to the sensor in the camera. Remember that focal length is stated for infinity and most lenses decrease in focal length as you focus closer. This surveillence lens calculator will help you determine the appropriate chipsets and distances for your cctv application.
All rays of light inciding in parallel intersect in this point. Axis lens calculator calculates camera coverage and pixel density at different distances from the camera. If the aperture angle is very large, a strong distortion of the optics must usually be expected. It shows the field of view and demonstrates how shifting the lens affects it.
This is invaluable for planning camera placements before shooting. Panorama made of 12 vertical shots stitched together. Model distance cannot be smaller than lens focal length. Cctv design lens calculator free download windows version. The angle of view of a lens depends on the lens focal length, and on the size of the sensor or film upon which the image is being projected see the formula below for more.
Most cctv applications use a fixedfocallength ffl lens, which, like your eyes lens, covers a constant angular field of view fov. Jan 25, 2020 cctv design lens calculator can calculate the angle of view and field of view size based on the distance and the focal length of the lens. The only way to calculate an angle or field of view width is to use manufacturers data and therefore ip video system design tool has a database of camera models. Douglas photo calculator will calculate the optical equations for any lens with an angle of view between 1 and 179 degrees. Select the camera resolution target surface lens which you can find on the specs of the camera here on.
Get started on your creative journey with the best in creative education taught by worldclass instructors. 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. The normal focal length of an objective lens is 3660 mm. It lets you perform basic and scientific calculations. It is easy to customise, and adding or removing lenses and sensors to the tool requires no technical knowledge. Field of view calculator legacy the hanwha field of view fov calculator will provide the amount of a given scene captured by the camera. Finally press calculate lens and find your calculation in blue below. Our lens field calculator is a complimentary webbased design tool for calculating video camera lens field of views in air and in seawater.
The lens calculator is a graphical tool to display the angle of view of any given lens and sensor combination. The shorter the focal length of the lens the wider the angle of view and the closer your target object can be. Photography calculators digital camera software and. Due to the nature of distortion in lens images, the results from this calculator should be used only as a guide. Cctv security camera lens calculator and view simulator. Along with the traditional feature of many lens calculators calculation of the angle of view and field of view size depending on the distance and the lens focal length, this cctv lens calculator offers several new, more effective tools. Lens angle calculator this tool will help you calculate the lens angle for a given sensor size and focal length. On a specification sheet, you will see the field of view measured in degrees. Entocentric lenses have a fixed aperture opening angle. Focal length in millimeters 24mm side 36mm side diagonal.
Digital sensors are usually smaller than 35 mm film, and this causes the lens to have a narrower angle of view than with 35 mm film, by a constant factor for each sensor called the crop factor. It is compatible with all 35mm film and digital slrs that sigma make lenses to fit such as their own sigma sd9 or the sigma sd10, and cameras like the canon eos 10d or the nikon d100. Wide angle of views capture greater areas, small angles smaller areas. Objective calculation of zoom factor, minimal and maximal focal length.
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. Film, video enter the focal length in millimeters in the column and click calculate. Cctv lens calculator is a free useful lens calculator for cctv design. 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. An ft1 mount adapter is required for actual shooting. For any given field of view, overlap percentage, and focal length multiplier 1. This calculator will give you the angle of view for each image format. A cameras angle of view depends not only on the lens, but also on the sensor. Step 2 enter any 2 of the 3 other pieces of information. Lenses with smaller values are called wideangle lens, such with larger telephoto lens. The angle of view is the visible extent of the scene captured by the image sensor, stated as an angle. Drag and move the icon vertically to adjust the height of view, drag and move the icon horizontally to adjust the distance of view. Since fields of view are calculated using the angle of view, there are also two calculated values for the field of. The field of view calculator handles that, always with the assumption that the maximum possible area of the sensor is always used.
The hanwha field of view fov calculator will provide the amount of a given scene captured by the camera. Angles of view of available lenses for 35mm still photography. Enter the focal length in millimeters in the column and click calculate. This lens calculator displays the angle of view of common cctv lenses. Yet, the most comprehensive ones are made as a pc software and. Choose the size of the ccd you will be working with. This lens calculator works out the angle of view for any lens sensor combination at the moment a user makes a selection, and the result is drawn on the adjacent graph.
The zoom factor is the quotient of maximal and minimal focal length. Use this lens calculator to view the lens angle of view and the field of view of a lens. Higher focal lengths give smaller angles of view while. The angle of view is the visible extent of the scene captured. Combination of nikkor lens and cxformat camera nikon 1 series is available with this simulator. The focal length of the lens affects the field of view. Focal length and angle of view nikon imaging products. Since fields of view are calculated using the angle of view, there are also two calculated values for the field of view at the specified distance.
Enter camera height target horizontal distance focal length. Cctv lens calculator new generation of lens calculators. This lens calculator displays the angle of view of all the lenses in the sigma lens range. M1 crab nebula m2 m3 m4 m5 m6 butterfly cluster m7 the scorpions tail m8 lagoon nebula m9 m10 m11 wild duck cluster m12 m hercules globular cluster m14 m15 m16 associated with the eagle nebula m17 omega. The lens field of view depends on the focal length of the lens, the size of the sensor, and the distance to the. Field of view is of course an angle which depends on the focal length and sensor size, but it also computes dimensional field of view size at some specific distance, like at the subject distance, or at a background distance. For most modern consumer level digital slr cameras, a focal length multiplier of greater than 1 is appropriate because these cameras have a smaller sensor than a 35mm negative. This is lenscalc lite a lightweight version of lenscalc pro. The focal length of a lens determines two characteristics that are very important to photographers. Where to buy login home axis camera station help center axis enterprise video management software.
The calculator is compatible with all the standard ccd sizes, such as 14 inch, inch etc. Predesigner free optical layout tool lens calculator. Therefore the object field to be viewed can be increased or reduced by increasing or reducing the working distance. The angular field of view is stated in horizontal and vertical degrees. User manual of lens selection software 6 of camera. Speedcrunch is a nice free open source calculator software for windows. With handheld sb800 on sc29 cable, ttlbl flash setting. The hanwha fov determines the fov by utilizing three elements. It can also be referred to as the angle of view or the angular field of view. It comes with a formula book with various formulae related to different functions including algebra, geometry, unit conversions, electronics, and radio frequency. Available with seamless streaming across your devices. This application interactively calculates the camera depth of field and background blur and visually simulates it on a photo together with different types of lens blur bokeh for any lens, camera and distance combination. Ordinary lens calculators will give a wrong angle range, most likely.
Myers to determine the field of view of the better light scanning backs based on a specific lens focal length. Dof simulator camera depth of field calculator with. Cctv lens calculator advanced free lens calculator for. Feel free to use the cctv field of view calculator above for your own calculations. This calculator computes the angular field of view for a lens of a specified focal length on a 35mm camera. Diffraction effectively limits the lens to be stopped down below a certain point. Lenses with smaller values are called wide angle lens, such with larger telephoto lens.
Such online tools can help to calculate lens focal length, field of view and even pixel density. Both arrive at the same result at infinity focus, but differ at closer focusing distances. The actually image quality and possibility to recognize or identify a person or object depend on factors such as object motion. In an effort to guide your decision, we have created this handy cctv lens calculator and view simulator. A shorter focal length lens captures more of the scene and therefore displays a larger field. Photography calculators digital camera software and photography. The focal length refers to the distance between the sensor and lens aperture, and determines how wide or narrow your angle of view is.
Cctv design lens calculator can calculate the angle of view and fieldofview size based on the distance and the focal length of the lens. This surveillence lens calculator will help you determine the appropriate chipsets. Fortunately there are plenty of tools to help us work this out. Calculate field of view, focal length or object distance by providing the other two properties. The actual working of this software is based on the same fundamental principles as the previous simple tools, but with the cctv lens calculator not only can you calculate the viewing area or focal length, but also see the actual field of view in a horizontal and vertical projections, put test persons, test objects and walls and immediately get. The field of view calculator or fov is used to help predetermine proper lens selection prior to installation. Activating the help mode shows descriptions of the interface elements. Lens calculator calculate field of view, focal length or object distance by providing the other two properties. Cctv lens calculator simulator choosing the correct lenses for your security cameras is an important aspect of designing an effective video surveillance system. These are the standard ccd sizes used in cctv and security applications.
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. This calculator computes the field of view seen by your camera and lens. This software will work out the smallest aperture that can be used to avoid distortion. The focal length of the lens is the distance between the lens and the image sensor when the subject is in focus, usually stated in millimeters e. Angles are to the nearest degree for subjects at infinity. Dof simulator camera depth of field calculator with visual. The field of view of a security camera, also called the viewing angle, is the area that the camera can see. The focal length of the optics depends on the optical power of the lens. Depth of field dof, angle of view, and equivalent lens. Focal length, or focal length range in the case of zooms, will usually be the foremost consideration when choosing a lens for a specific photograph or type of photography. Cctv calculator is a tool designated for camera system basic parameters determination and testing.
Activate the field of view lock to check how parameter changes affect the. The calculator calculates angle of view using two different methods. Cctv lens calculator new generation of lens calculators for cctv. Security camera field of view calculator security camera. In everyday digital cameras, the crop factor can range from around 1 professional digital slrs, to 1.
1617 280 840 818 1055 1517 197 1519 900 1305 1491 1030 633 160 1592 794 417 67 326 649 17 1363 1230 1448 1113 354 67 465 1098 1425 513 113 974