Richie, the bolded settings you have posted are not the ones that directly affect max and min cokpit FOV. Those values are found in Lock OnConfigViewView.lua (not .cfg)
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-- Camera view angle limits {view angle min, view angle max}.
CameraViewAngleLimits = {}
CameraViewAngleLimits[PlaneIndex.iSu_27] = {20.0, 120.0}
CameraViewAngleLimits[PlaneIndex.iSu_33] = {20.0, 120.0}
CameraViewAngleLimits[PlaneIndex.iSu_25] = {20.0, 120.0}
CameraViewAngleLimits[PlaneIndex.i
Su_39] = {2.0, 120.0}
CameraViewAngleLimits[PlaneIndex.iMiG_29] = {20.0, 120.0}
CameraViewAngleLimits[PlaneIndex.iMiG_29K] = {20.0, 120.0}
CameraViewAngleLimits[PlaneIndex.iA_10] = {20.0, 120.0}
CameraViewAngleLimits[PlaneIndex.iF_15] = {20.0, 120.0}
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If I change the Su_39 (Su-25T) line to
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CameraViewAngleLimits[PlaneIndex.iSu_39] = {2.0,
170.0}
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to match the angele you are suggesting, this is what the max zoom looks like:
When I fly Lock On single-screen, I usually use a max angle of 135. This lets you see a lot but avoids the distortion and framerate issues you get when you zoom out further.