Rifle Scopes Tunnel effect with Nikon Monarch?

[JelloStorm]

Fixed my eff'd up mounting of my Nikon Monarch 3-12x42SF and still have somewhat of a tunnel effect.

I had to adjust the negative/positive eye way back to get rid of it and I don't notice this on my older Leupold VX2 I have on my other rifle.

I found this post on it:

http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Number=2743745

However, is it common to correct this with huge adjustments in the negative/positive eye?

Also, the Monarch doesn't seem to lock the setting in place, allowing my Butler Creek cap and eyepiece to rotate.

No big deal since I know where "zero" is on it once I install the flip up, but wish I could lock it in. Any trick to this?

 

[GeraldG]

Re: Tunnel effect with Nikon Monarch?

The ocular adjustment is to adjust the focus on the reticle. I've never heard of using that to adjust for "tunneling". It seems like if you do that, then the crosshairs might not be in focus.

I have the exact scope you're talking about on one of my hunting rifles and, to tell you the truth, I never pay much attention to that...doesn't really bother me.

You're right about the ocular adjustment not locking, though. I have the same trouble with the Butler Creek covers...I've just sort of learned to live with it.

 

[JelloStorm]

Re: Tunnel effect with Nikon Monarch?

Yeah I've noticed that by adjusting that the tunneling goes away. Try it on yours and you'll see what I'm talking about.