Angle of view chart

Focal Length	Original	Plus 0.8X	Plus 0.7X	Plus 0.5X
8mm	57°37' x 44°50'	69°01' x 54°33'	75°19' x 61°01'	95°27' x 79°03'
9mm	52°07' x 40°16'	62°52' x 49°15'	69°52' x 55°17'	88°43' x 72°31'