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Zeiss Rapid Z-600

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/27/2010 at 19:08
Pokeshunter View Drop Down
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Was wondering how much the focus will mess with the ballistics on my Z-600 reticle. I was playing with the focus and when you move the focus adjustment out, the reticle becomes noticably larger so was wondering if the results from the calculator are for the focus adjustment being all the way in or out? Or if it will even make a difference?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/27/2010 at 21:57
Alan Robertson View Drop Down
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Hello Pokeshunter and welcome to the forum. I know some old boys at OSU that might be curious about your moniker.
You aroused my curiosity so I had to check, but didn't find the reticle getting larger with my Z600.
My eyes have been around awhile and have seen a few things, so YMMV... ( I do wear glasses with Zeiss lenses.)

I cranked the focus range stop-to-stop a few times and measured the length and height of the center reticle against a tape measure placed across the room. I tried to maintain a normal eye relief to minimize extraneous input.. The scope was on 3x since either reticle or tape was too out of focus on higher powers to be able to make measurements. I had to try this with glasses on/off to be able to see the reticle and measurement points at each end of the dial. If there was a change/difference, it wasn't enough to see. Everything seemed to 'fit' the same whether at the extremes or while focused. Measurements weren't exact, but were nevertheless close, since something was always at least slightly out of focus. I tried this a bunch of times to make sure...

Zeiss would have the definitive answer, but the question is really moot as you won't be shooting except when focused for your eyes, anyway.

By the way, my Conquests have a very forgiving and wide focus range for me... I know where the diopter markings are optimally aligned on the ocular, but it's no biggie if they get moved while handling the rifles.



Edited by Alan Robertson - August/27/2010 at 21:59
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/27/2010 at 22:41
sakomato View Drop Down
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Your scope has 4 adjustments:
 
 
Turrets - elevation and windage turrets are used to adjust the point of impact of your bullet to align with the crosshairs
 
Parallax adjustment - it is the dial on the left side of the scope in line with the elevation turret and opposite the windage turret.  When looking through the scope at a distant object, adjusting the parallax adjustment will make the image clearer.  You may not have this if your scope is not high enough power for Zeiss to think you need one.  You did not tell us what power scope you had.
 
Power adjustment - it is the ring that goes around the scope on the front part of the ocular where you adjust the power from 3 to 9, 3.5 to 10 or 4.5 to 14, depending upon which scope you have.   You use the power adjustment to set your scope so that the long range reticles will be on for whatever caliber and load you are shooting.  You go to the Zeiss website and put your ballistics in the RapidZ Calculator and it will tell you what power to set your scope on so that your load will hit on your reticle marks.
 
Reticle focus - it is the ring on the ocular closest to your eye.  You point the scope at a blank wall and adjust the reticle focus adjustment until the reticle is clear and in a single line, not fuzzy.  You focus the reticle adjustment only once to make the reticle clear.
 
Now, what adjustment are you moving that makes your reticle larger?
 


Edited by sakomato - August/27/2010 at 22:46
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/28/2010 at 13:00
gunner45 View Drop Down
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I was wondering that myself.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/28/2010 at 15:03
Jon A View Drop Down
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Pokes,

I believe you were noticing the small change in magnification that happens when you play with the ocular focus.  Since this occurs at the aft end of the scope, the change it causes happens to both the reticle and the image together so there is no relative change between the two.  The subtension of the reticle will remain constant.

In other words, it will make no difference.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/30/2010 at 00:27
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Jon A,
 
You're right.  I have three Conquest scopes (3.5-10x44, 4.5-14x50 and a 6.5-20x50) and they all do it.  I've alway figured it was a moot point because when its focused its a done deal.
 
Jim 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/30/2010 at 01:37
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Jon A    Thunbs Up +1

Pokeshunter, using the results of the Rapid Z Calculator has my 3-9x40 Zeiss Conquest set at 6.75x for a 77gr MK262 load out of a 20", 1in8 RRA. If I do my part for windage it will drop rounds right on target at 600yds. My son gets the same results even though he changes the focus to suit his vision, so I really do believe it's nothing to fret about.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/01/2010 at 08:29
Pokeshunter View Drop Down
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Its the reticle focus adjustment used, the scope and reticle are pretty much focused from the closest focus adjustment to it locked in the farthest away so was just wondering if there was a difference. My optimum power for the load I shoot is 7.96 but havent yet found the right bullet for the set up Im shooting. Thanks guys and sorry to dissapoint but I have never been to OK.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/01/2010 at 19:50
sakomato View Drop Down
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Pokeshunter, you focus the reticle adjustment only once to where the reticle is a sharp clean clear black line without being fuzzy or having a smaller mirror reticle line.  If the reticle is out of focus it is like looking at a 3D image without the 3D glasses.
 
If you are using the reticle adjustment to make the image clearer then you will be making the reticle fuzzy and you don't want to do that.
 
What power scope?
What caliber rifle?
What bullet do you want to shoot?  i.e. hunting, target, bonded, Whitetail, Varmint, Elk etc.?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/08/2010 at 09:52
cornhuskid View Drop Down
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I have not noticed any practical defference with my Conquest 3-9x40 when adjusting the "Reticle Adjustment" and point of impact, but I'm only going out to 550 yards with an '06...
 
 
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