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Focus issues through scope


alexl
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I recently bought a hatsan pcp, it was a package and came with a Edgar Bros scope, its a 4-12 duplex reticle.

 

Im having issues shooting it because I just cant seem to get focusing right, Ive adjusted the focus ring to get the reticle in sharp focus on a neutral background (I take my head away and put it back to check my eye isn't adjusting to focus) but when I look at an object my eye focuses on the target but the crosshairs disappear, to the extent that I can barely see them at times let alone aim.

 

Am I doing something wrong or is this scope just not right for me? I don't seem to have the issue with the £8 scope mounted to an old springer of mine, although admittedly that scope isn't crystal clear so my eye may not be focusing in the same way?

 

Any help would be appreciated its driving me mad!

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daft question but do you wear glasses? I've found with my rifle scope that it appears out of focus if i end up looking through it over my glasses

 

No i dont, but i may get my eyes tested just to make sure, wont hurt i suppose! i cant remember when i last had it done.

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You may find that the parallax of the scope has been factory set at 100 meters rather than 30. Normally you can unscrew the ring at the front of the scope and manually unwind the whole front element until you get to the correct parallax distance, then put the front ring back on.

 

An easy way to check if your parallax distance is wrong is to securely mount the rifle (workmate will do) so that your target is set at the correct range. Look through the scope and move your head side to side. The crosshairs should remain on the same point wherever you head is if it is set up properly, if the crosshairs 'move' relative to the target then it needs adjusting. Hope that helps.

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  • 2 weeks later...

You may find that the parallax of the scope has been factory set at 100 meters rather than 30. Normally you can unscrew the ring at the front of the scope and manually unwind the whole front element until you get to the correct parallax distance, then put the front ring back on.

 

An easy way to check if your parallax distance is wrong is to securely mount the rifle (workmate will do) so that your target is set at the correct range. Look through the scope and move your head side to side. The crosshairs should remain on the same point wherever you head is if it is set up properly, if the crosshairs 'move' relative to the target then it needs adjusting. Hope that helps.

 

Thanks i think you may be right, i dont have the issue to the same extent when looking at a target further away.

 

There is a removable ring on the front of the scope, behind it theres a threaded section with two slots to insert a tool and rotate what looks like the whole lens piece inside the body at the front of the scope. Is this what you mean?

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Thanks i think you may be right, i dont have the issue to the same extent when looking at a target further away.

 

There is a removable ring on the front of the scope, behind it theres a threaded section with two slots to insert a tool and rotate what looks like the whole lens piece inside the body at the front of the scope. Is this what you mean?

Exactly that. Turn it in the 'unscrew' direction to get from 100 to 35 ish. Just a word of warning, don't unscrew too far as you may let the nitrogen in the scope out (if it has any, that is). Good luck.
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Yes, it sounds like a parallax issue. If you look at the adjustable parallax scopes, they have a wheel on the side where you can change the focus for this very reason. I bought a Simmons AETEC scope years ago which was parallaxed to 50 yards...was a pain when you wanted to shoot anything close up. They had used loctite glue to fix it too, so couldnt adjust it. I sold it in the end. All my scopes are adjustable parallax now...makes life so much easier (and you can range-find too!).

 

-Andrew

Edited by Theskyfox
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Exactly that. Turn it in the 'unscrew' direction to get from 100 to 35 ish. Just a word of warning, don't unscrew too far as you may let the nitrogen in the scope out (if it has any, that is). Good luck.

Thanks very much. ill give it a go, nothing to loose trying its basically useless as it is!

 

Yes, it sounds like a parallax issue. If you look at the adjustable parallax scopes, they have a wheel on the side where you can change the focus for this very reason. I bought a Simmons AETEC scope years ago which was parallaxed to 50 yards...was a pain when you wanted to shoot anything close up. They had used loctite glue to fix it too, so couldnt adjust it. I sold it in the end. All my scopes are adjustable parallax now...makes life so much easier (and you can range-find too!).

 

-Andrew

To be honest I assumed that because it didn't have a parallax wheel or obvious adjustment ring that it wasn't adjustable, newbie error.

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