Domenor THE ONLY WAY TO PROVE THE DESIGN COMES FROM DOMENOR'S BROADCAST LIVE TESTING High speed PTZ
Current location: Home»Domenor News » News » FAQ » What's the relationship between the focal length and the imaging size size?

What's the relationship between the focal length and the imaging size size?

Categories: FAQStars: 3Stars Visit: - Release time: 2015-01-21 11:33:00
Font size:【 Large Middle Small Source: Editor: Author:

Focal length is proportional to the imaging size, focal length, the more grown up like is larger, the smaller the shorter the focal length of imaging. The lens focal length and Angle of view is inversely proportional to the size, the longer the focal length Angle is smaller, the shorter the focal point of view.

Keywords in the article: High speed PTZ High speed dome cctv camera
function add_chatinline() { var hccid = 45070779; var nt = document.createElement("script"); nt.async = true; nt.src = "https://www.mylivechat.com/chatinline.aspx?hccid=" + hccid; var ct = document.getElementsByTagName("script")[0]; ct.parentNode.insertBefore(nt, ct); } add_chatinline(); function add_chatinline() { var hccid = 45070779; var nt = document.createElement("script"); nt.async = true; nt.src = "https://www.mylivechat.com/chatinline.aspx?hccid=" + hccid; var ct = document.getElementsByTagName("script")[0]; ct.parentNode.insertBefore(nt, ct); } add_chatinline();