For those of us that are getting..... uh "older"! Try using the Speciality peeps. This line of peeps will, if set up right, get the blur out of blurry pins. Ever have a halo around your pins, well this will cure that. I would say this product is a must for those that want better accuracy. I have knocked 5-10yrs off my eyesight. You do have to have the right verifier that fits inside the peep housing. I also have a chart for those of us that use reading glasses to get the right one. If you try one, more than likely you will own one.