ultradot scope

[david wong]

I just received a ultradot 1 inch, red dot scope from Larry's Guns. The red dot resembles a star more than a dot, actually it looks like the remnants of a fly after it's been squatted. Is this unusual and should I send it back? I have not even mounted it yet on my Hammerli 215s. I'm also open to red dot scope recommendations. I appreciate your experienced advice.
Dave Wong

[Guest]

Hold the ultra dot up and look through it while you rotate (spin) it. If the bad image doesn't spin while the tube is rotated, it is your vision (astigmstism?). If the image spins, it is the ultra dot.

[Isabel1130]

The aimpoints tend to have rounder dots but the trade off is that they are almost three times the price. One thing that can sometimes be done with an ultradot to improve roundness is to turn up the dot. The lower smaller setting seem to increase the distortion. If you have an uncorrected astigmatism no dot will look round to you. I have gotten past the point where I worry about the roundness of the dot. I just hold the blob in the center and focus on getting a good trigger pull. Isabel

[Bob-Riegl]

This is a common defect (IMHO) with some Ultra-Dots. I generally by from Midway or Ultra Dot West rather than Larry Carter. I have sent back several Ultra Dots and Millett's for just the same reasons---until I got a "good" one. I suggest you do the same---first try the above mentioned test and then next try an iris to see if that doesn't clean it up. Above all it's NOT ASTIGMATISM. "Doc" Ye Crotchety Ole Coach

[david wong]

I tried the visual test you recommended. The star does not rotate when I turn the scope. I think what I did wrong was pointing the scope at a wall that is ten feet away. I took the scope outside today and at 50 yards and 25 yards in the daylight, the image improved immensely. I'm good to go. Thank you all again.
dave wong

[Misny]

Dave,

It sounds like you are old enough to have presbyopia. When I, with my old eyes, get more light to my eye, the iris closes down. That gives me the same effect as looking through a pinhole or adjustable iris attached to my shooting glasses, i.e. Varga and Knobloch. Amazingly everything looks clearer. Good to know that there is nothing wrong with the scope. It looks like you might want to get some dedicated shooting glasses, especially if you want to shoot iron sights indoors.

[andrea38]

Hello!

The aimpoints tend to have rounder dots but the trade off is that they are almost three times the price. One thing that can sometimes be done with an ultradot to improve roundness is to turn up the dot. The lower smaller setting seem to increase the distortion. If you have an uncorrected astigmatism no dot will look round to you. I have gotten past the point where I worry about the roundness of the dot.

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[catmandu]

I have always done the following.
Get a digital camera. Shoot a pic of the dot,
If the camera can't see it - its you,
If it does see it - its the scope.

Works for me.
Also a good check for when your eyes are going thru a changing phase.

Paul in NWY

[tenex]

I stopped shooting bullseye with my contact lenses for that reason. The dot looks fuzzy with the contacts, but round with my glasses. Interestingly enough, neither has any correction for astigmatism.

Steve.

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