Hi all
How do you deal in practice with shadowing effect caused by vignetting in some scopes aka S&B 5-25x56 PMII? I find it very disorienting. I always mistake the shadow "by design" with shadow by my mistake.
What kind of elevation ranges you scopes can handle without showing the effect? For example my S&B relatively vignetting-free at elevations 8-20 milrads and wintages +-3 milrads
Have you ever seen it on other scopes? I can not see it on Night Force NSX 3.5-15x50, second focal plane.
Is there any relation to the focal plane placement?
Here is the picture of S&B PMII posted on this forum a while ago. The "moon" on top is vignetting effect.
Note, that I am not trying to argue the wisdom of S&B creators here. You can find their explanation of the effect below in Rob01's post.
How do you deal in practice with shadowing effect caused by vignetting in some scopes aka S&B 5-25x56 PMII? I find it very disorienting. I always mistake the shadow "by design" with shadow by my mistake.
What kind of elevation ranges you scopes can handle without showing the effect? For example my S&B relatively vignetting-free at elevations 8-20 milrads and wintages +-3 milrads
Have you ever seen it on other scopes? I can not see it on Night Force NSX 3.5-15x50, second focal plane.
Is there any relation to the focal plane placement?
Here is the picture of S&B PMII posted on this forum a while ago. The "moon" on top is vignetting effect.
Note, that I am not trying to argue the wisdom of S&B creators here. You can find their explanation of the effect below in Rob01's post.
![SBscope1.jpg](http://i813.photobucket.com/albums/zz53/gk80/SB525x56/SBscope1.jpg)