Hadley Eye Disk

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Good Evening Folks!

I was wondering if anyone on this forum has used the Hadley eye disk on a Pedersoli soul sight vernier sights. Do any of you have any helpful information on using this sight once its installed.
I have never used anything like this before, mostly used buck horn style sights or standard peep sights.
Any tips of new beginners would be much appreciated.
Hope you all had a great Thanksgiving and a better opening hunting season!
 
Austin, I have a Hadley (standard) on my Shiloh Sharps; I needed a larger aperture due to cataracts and aging eyes. The basic principle for use is to choose an aperture size (hole) suitable for light conditions and viewing the target - larger the hole, more light inferring improved ability to “see” - smaller hole, less light but increased (at least jn theory) precision. My Hadley is always set on the largest hole - my eyes need the light - your viewing needs will vary and require that you try all of the holes to see which aperture diameter you like.
It is a simple application, a “variable” light setting for different shooter’s preference for different conditions. Not much more I can add - hope this simple overview helps you.
 
Steve, Thanks for the information. Now when I am shooting with the Hadley, I'm assuming I will have to re zero my rifle with the Hadley being raised higher then the standard, do to the viewing hole being on the bottom of the disk?
 
As Mr. Watson states, the viewing aperture (hole) is centered in the disc during use; the holes on the perimeter that you are referring to are part of the adjustment mechanism. You turn the adjustment on the outer edge to select an aperture (hole size) of your choosing. In turn, aperture diameter (size) usually does not affect the zero of the rifle.
 
As has been stated, size of aperture chosen will depend upon available light at the time. IOW, one size does not fit all. As light fades, you will find you need a larger opening. Best way to select proper size is to view target and decrease aperture opening slowly until a grey, opaque dot begins to obscure the target, then back off until clear. This should sharpen up your front sight to the max, but likely will blur your target slightly.
Found the various adjustable discs extremely advantageous in LR rifle competition. For bullseye shooting, a front aperture was also helpful, as you can vary the size of the front aperture to help sharpen the bullseye, as well.

Never used a Hadley, but had a similar disc (can't remember name).
https://montanavintagearms.com/product/sights/mva/eye-discs/https://montanavintagearms.com/product/sights/mva/eye-discs/
Preferred the Merit disc. due to it's camera-like (fully) adjustable aperture. The Merit would probably look out of place on your Sharps, however.
http://www.meritcorporation.com/how_they_work.htmlhttp://www.meritcorporation.com/how_they_work.html


Regards,
hps
 
My Baldwin tang sights have a simpler swinging sector with different size holes.
It is always a case of picking the right aperture for the light conditions.
 
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