Model VM300 assists in determining the required focal length. First look through the eyepiece and zoom-in to the desired image. Then read the required focal length on the lens barrel. Includes 2/3", 1/2", 1/3" and 1/4" formats.
- Replicates Field of View of Camera/Lens
- Determines Ideal Focal Length
- 1", 2/3", 1/2", 1/3" Sensor Settings
Designed for surveillance and other video applications, the VM300 Viewfinder from computar is a handheld optical device that functions like a director's viewfinder. It replicates the field of view of a camera's lens based on sensor size and focal length. Select from four common surveillance camera sensor sizes to determine what focal length lens you should use to capture a particular scene with a particular camera. The viewfinder has an adjustable ring in order to match the camera sensor format and lens focal length to what you see in the viewfinder.
Tested: Works 100%
Filed under: Eyepieces & Accessories