5"]t{-PD F-tanθ畸变最大显示89度,刚查了手册 BRx`83CK 原文如下: _E{hB Note that this reference is meaningless for optical D3>;X= 1 systems that use field angles at or greater than 90 degrees. If a system with field angles over 89 degrees is %!>~2=Q2* analyzed with this feature, the maximum computed field angle will be limited to 89 degrees