What focal range should I get for my lens?

Answered

TDY_William

Community team

• September 23, 2022 20:13

I want to get a BFS-PGE-04S2C, and I want to take video of a mice going through a maze; the maze is about 2 by 2feet; what sort of focal range should I be looking at to capture the entire maze?

0

• Official comment

  

  TDY_William

  Community team

  • January 02, 2023 08:42

  

  

  When determining the lens you should get for your camera, there are 3 things you should know; the size of the sensor the camera uses, the distance between the camera and the subject, and the overall size of the subject (width and height).  from your description, we can determine two things; the size of the subject (2 feet by 2 feet), and the size of the sensor (the BFS-PGE-04S2C uses a 1/2.9" sensor).  Once you have determined the distance between the subject and the camera, you can use our lens calculator to determine a focal range value; https://www.flir.ca/iis/machine-vision/lens-calculator/

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