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Quote:

ORIGINAL: HEAD0001

I do not believe the amount of light that lenses and tube size allows through, has anything to do with the amount of adjustment that is available. Different lenses allow different amounts of light through. Same as the coatings. One of the reasons Leupold calls their 30mm LR(Long Range)is due to the fact that is has more elevation adjustment than a standard 1 inch scope. But this adjustment has nothing to do with the quality of lenses, and amount of light transmission. IMO, Tom.

The bigger tube size= the riser assembly has more room to travel up and down = more adjustment.

At least that is how I understand it.

I don't think the average hunter needs any more adjustment than the average scope will give so IMO it's a moot point.

I have bought a couple of the new scopes from Leupold with the new reticles. I especially like the new B&C Varmint Hunting reticle. As far as adjustment is concerned I have ran out of vertical adjustment twice. Once with a Burris Signature Select scope, and once with a Leupold 6.5 X 20. The Burris was on a 12FVSS-300 WSM long distance rifle I set up for deer. I had to go to the Burris rings with the elevation inserts. Check the charts on adjustments. The Burris scopes do not have as much. The Leupold was on a 6mm varmint rig, I ran out there also. I shimmed those rings. So yes, more adjustment can be necessary. Tom.

Quote:

ORIGINAL: HEAD0001

I have bought a couple of the new scopes from Leupold with the new reticles. I especially like the new B&C Varmint Hunting reticle. As far as adjustment is concerned I have ran out of vertical adjustment twice. Once with a Burris Signature Select scope, and once with a Leupold 6.5 X 20. The Burris was on a 12FVSS-300 WSM long distance rifle I set up for deer. I had to go to the Burris rings with the elevation inserts. Check the charts on adjustments. The Burris scopes do not have as much. The Leupold was on a 6mm varmint rig, I ran out there also. I shimmed those rings. So yes, more adjustment can be necessary. Tom.

Did I say more adjustment couldn't be necessary? You said yourself that theses setups were on long distance rifles. So that isn't "Joe average hunter" is it?

Is that hard to understand or something?

Quote:

ORIGINAL: HEAD0001

. . .As far as adjustment is concerned I have ran out of vertical adjustment twice. Once with a Burris Signature Select scope, and once with a Leupold 6.5 X 20. The Burris was on a 12FVSS-300 WSM long distance rifle I set up for deer. I had to go to the Burris rings with the elevation inserts. Check the charts on adjustments. The Burris scopes do not have as much. The Leupold was on a 6mm varmint rig, I ran out there also. I shimmed those rings. So yes, more adjustment can be necessary. Tom.

Can you tell us at about what range each setup ran out of adjustment? Was it 600 yards or more like 1000 yards? Thank you.

Ha nksmfamip: I wish I was capable of shooting 1000 yards, unfortunately I am not. I always like to shoot heavy for caliber bullets in my rifle. I shoot 180's in the 300 WSM, and I actually shot 200's in a 300 Win Mag PSS. On the PSS I had one of the 8.5 X 25 LR Leupolds, and did not have any shims. I did not run out with this scope.

Our range is 540 yards. This is where I was close to the bottom with the other 2 scopes. The 6.5 X 20 was one of the older one inch models. It was not one of the LR's. I just bought one of the 6.5 X 20 X 40 scopes for my next Hogging project. It has side focus, and 30mm tube. It is also a VH reticle. I should be fine there.

On the Burris I was pretty sure(according to their chart)I was going to be out of adjustment, so I added the 5 minute rings before I even mounted the scope.

If you look on the web sites you can find how many MOA's of adjustment that the scope has built in. The Burris's, at the time had less than the Leupold's. even comparing one inch tube to one inch tube. A tech for Leupold once told me that you should not shoot the crosshairs when they are adjusted all the way out. He told me that it is not good to bottom out your adjustments. So I felt it prudent that when I was approaching the limit of adjustment, to shim, rather than take a chance.

So to slightly ammend my post. I did not completely bottom out my scopes officially, I would not do that to a scope. But I am 90 % sure that I was real close. I base this on the mfrs. charts of adjustment. As the Leupold tech told me on the phone when I called him. I remember his comment was "Now remember, half your adjustment is for drop down, and the other half is for rise". He said their reticles are designed to be shipped, and shot in the center of the scope, and the center of adjustment. Not at the edges, or outside limits. Tom.