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![]() Merit Adjustable Aperture for Eye Glasses |
![]() Merit Adjustable Aperture for Eyeglasses |
How They Work: The Merit
Optical Attachment sticks securely to your eyeglasses (or
shooting glasses) with a small suction cup. Your aiming eye
looks through the hole. The human eye, whether or not prescription glasses are required, cannot focus on both sights and the target at the same time. The eye will constantly shift focus from the sights to the target trying to ensure proper alignment. Unfortunately, as we age, the eye loses the flexibility which allows it to do this; thus, sights and target begin to grow fuzzy. There is a simple way to combat this by increasing your eyes' depth of field (range of focus). If you look through an aperture |
or pinhole of the correct size, you will be able to see both sights clearly, and the target will be clearly defined as well. It was utilizing the principle of a pinhole that allowed the original box camera to work without a lens, and its pictures were in clear focus from about 2 feet out to infinity.
Merit apertures are adjustable, allowing the shooter to change the setting based upon the lighting conditions and the range of the target. Our apertures are all iris shutter style; you simply turn the front clockwise to close it down and counter clockwise to open it up, and your point of impact will not change. Order 110-010 Merit Adjustable Eyeglass Aperture $84.95 |
$84.95 | ![]() |
Apertures that tune depth of field, clearing
up sights and target for pinpoint aiming accuracy. "Open" or "Iron" sights can be nearly as accurate as telescopic sights... if you can see ![]() ![]() Order 110-010 Merit Adjustable Eyeglass Aperture $84.95 |
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