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Found 1 result

  1. All things video

    Proper Lens Calculations

    So quick question? Mounting 2 different cameras lens for a job. 1. 3-9 MM lens for all views other than ones see door entries. 2. 10-23 MM lens for walls adjacent doors. So yes the 3-9 MM will be exterior sides of bldg. And the 10-23 MM will be interior adjacent doors. Goal according to Engineer to capture faces entering doors. Problem the camera is only 15' to 20' away from the doors on two jobs so at 9' only issue is being to tight of a shot at that distance. According to the lens calculator of the manufacturer. The last building is about 50' in width and are placing the camera from a pipe mount 19 feet away and about 17' high which will be catching nothing more than top of heads. So question does anybody have any previous installs where this has been an issue. My thought is relocate on adjacent wall at 9' to 11' high wall is 50' from target. Cameras have varifocal lenses so see no problem with zooming into the door. Project is public utility and lots of approvals and arguments from engineer as they never wrong but want best view for customer. Ideas?
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