nErr &{C F-tanθ畸变最大显示89度,刚查了手册 L2c\i 原文如下: {v"Y!/
[z Note that this reference is meaningless for optical ,$Cr9R&/ systems that use field angles at or greater than 90 degrees. If a system with field angles over 89 degrees is H<tU[U=G analyzed with this feature, the maximum computed field angle will be limited to 89 degrees