資源描述:
《監(jiān)控攝像機鏡頭角度和距離計算表》由會員上傳分享,免費在線閱讀,更多相關內容在應用文檔-天天文庫。
1、攝像機拍攝的視角與鏡頭的毫米數(shù)、CCD的尺寸大小密不可分,下表為鏡頭毫米數(shù)與搭配的CCD拍攝視角的對應關系,可供大家參考:鏡頭焦距搭配1/3"CCD搭配1/4"CCD二者的角度差異2.8mm89.9°75.6°14.3°3.6mm75.7°62.2°13.5°4mm69.9°57.0°12.9°6mm50.0°39.8°10.2°8mm38.5°30.4°8.1°12mm26.2°20.5°5.7°16mm19.8°15.4°4.4°25mm10.6°8.3°2.3°60mm5.3°4.1°1.2°1/3"CCD搭配鏡頭拍攝范圍的尺寸
2、如下表所示:鏡頭焦距(毫米數(shù))距離5米(寬×高)距離10米(寬×高)距離15米(寬×高)距離20米(寬×高)距離30米(寬×高)2.8mm13×9.8米26×19.5米39×29.3米52×39米78×58.5米3.6mm8.5×6.4米17×12.8米25.5×19米34×25.5米51×38.3米4mm8×6米16×12米24×18米32×24米48×36米6mm5.5×4.1米11×8.3米16.5×12.4米22×16.5米33×24.8米8mm3.5×2.6米7×5.3米10.5×7.9米14×10.5米21×15.8米12
3、mm2×1.5米4×3米6××4.5米8×6米12×9米16mm1.5×1.1米3×2.3米4.5×3.4米6×4.5米9×6.8米25mm1.3×1米2.5×1.9米3.8×2.9米5×3.8米7.5×5.6米60mm0.5×0.4米1×0.75米1.5×1.1米2×1.5米3×2.3米備注:同樣毫米數(shù)的鏡頭搭配1/4"的CCD芯片拍攝的范圍和角度稍微窄一點,但是拍攝畫面中的物體看起來要大一點.表中的數(shù)據(jù)為水平方向的視場角度,如果攝像機裝在高處往低處監(jiān)看時,視場角和拍攝范圍要稍微大一些,但拍攝畫面中的物體要稍微小一點簡單的說,攝像機
4、的鏡頭數(shù)值越大,看得越遠、越窄;攝像機鏡頭的數(shù)值越小,看得越近、越寬。鏡頭焦距(mm)1/3"芯片左右拍攝角度1/3"芯片上下拍攝角度1/4"芯片左右拍攝角度1/4"芯片上下拍攝角度2.5mm96.4°?86.2°?81.9°?72.9°?2.8mm89.9°?79.8°?75.6°?66.8°?3.6mm75.7°?66°?62.2°?54.3°?4mm69.9°?60.7°?57°?49.5°?6mm50°?42.6°?39.8°?34.2°?8mm38.5°?32.6°?30.4°?26°?12mm26.2°?22.1°?20.
5、5°?17.5°?16mm19.8°?16.6°?15.4°?13.2°?30mm10.6°?8.9°?8.3°?7°?60mm5.3°?4.5°?4.1°?3.5°?100mm3.2°?2.7°?2.5°?2.1°?200mm1.6°?1.3°?1.2°?1.1°常用攝像機鏡頭的廣角范圍焦距規(guī)格角度??2.1mm小鏡頭1/3??150°??2.5mm鏡頭1/3??130°??2.8mm小鏡頭1/3??115°??2.8mm固定光圈1/3??115°??2.8mm1/3??96°??4mm1/3??78°??6mm1/3??53°??
6、8mm1/3??40°??12mm1/3??23°??16m1/3??17°??3.5-8mm1/3??96°-45°??6-15mm1/3??54°-23°??6-36mm電動變倍鏡頭1/3??51°-9°??8.5-51mm電動變倍鏡頭1/3??57°-10°??6-60mm電動變倍鏡頭1/3??52°-6°