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Zeiss 6-24 tracking

 
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  #1  
Old 10-18-2004, 08:16 PM
 
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Zeiss 6-24 tracking

Could anyone using one of these scopes offer feedback as to their integrity of POI at differing power settings considering these are 2nd focal plane scopes?
Thanks
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  #2  
Old 10-19-2004, 05:38 AM
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Re: Zeiss 6-24 tracking

a friend just bought one. I will ask him.
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Old 11-13-2006, 11:43 PM
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Re: Zeiss 6-24 tracking

Well were waiting for an answer? What did you find out?I can't wait much lomger?
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Old 11-14-2006, 03:17 PM
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Re: Zeiss 6-24 tracking

Zoom scopes with 2nd plane focusing (of which most are) typically have a small amount of hysteresis (or figure 8) tracking as the power's changed. That's caused by the two lens groups right in front of the reticule moving back and forth different amounts by two cams their mounts are controlled by.

It's best to use a collimator the check a variable scope for "power tracking" or whatever you want to call it. There's too many variables in shooting groups to detect a 1/4th MOA error. I've used a bench collimator testing several variables for power tracking; most are acceptable for hunting 1/3rd to 2/3rds MOA error, a few are absolutly junk (two Nightforce ones I checked( having greater than 1.5 MOA error) and a few are great with less than 1/3rd MOA error; Leupolds.
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Old 11-14-2006, 07:07 PM
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Re: Zeiss 6-24 tracking

[ QUOTE ]
Zoom scopes with 2nd plane focusing (of which most are) typically have a small amount of hysteresis (or figure 8) tracking as the power's changed. That's caused by the two lens groups right in front of the reticule moving back and forth different amounts by two cams their mounts are controlled by.

It's best to use a collimator the check a variable scope for "power tracking" or whatever you want to call it. There's too many variables in shooting groups to detect a 1/4th MOA error. I've used a bench collimator testing several variables for power tracking; most are acceptable for hunting 1/3rd to 2/3rds MOA error, a few are absolutly junk (two Nightforce ones I checked( having greater than 1.5 MOA error) and a few are great with less than 1/3rd MOA error; Leupolds.

[/ QUOTE ] Dang that surprise's me Night Force? You say Leupold is good? What is the junk brands? How about IOR? Can you name a few more?
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