Photograph Field of View and Pixel Size Calculator – PhotoModeler
The lens calculator online helps you set optimal CCTV camera settings #CCTV #Security #Cameras « Adafruit Industries – Makers, hackers, artists, designers and engineers!
CCTV Lens Calculator – New generation of Lens Calculators for CCTV
I tried using the free shooting result simulation tool 'Lens Calculator' to help you choose a surveillance camera - GIGAZINE
RECOMMENDED: Excellent freeware lens calculator! - Installation Help and Accessories - CCTVForum.com