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Leupold Side Focus |
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8shots 
Optics Master Extraordinaire 
'lord of the flies' Joined: March/14/2007 Location: South Africa Online Status: Offline Posts: 3759 |
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 Topic: Leupold Side FocusPosted: November/09/2009 at 06:33 |
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- A side parallax adjustment allows a shooter to eliminate parallax with a minimal amount of movement required. This configuration is safer for military marksmen and faster and more comfortable for competitive shooters engaging targets at varying distances.
- An AO allows less lens elements to be used in the optical design. This provides a scope that is less expensive to produce and has less air to glass surfaces inside that reflect or absorb available light. |
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8shots
Optics Master Extraordinaire
'lord of the flies' Joined: March/14/2007 Location: South Africa Online Status: Offline Posts: 3759 |
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Posted: November/09/2009 at 06:00 |
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My scope side focus does have backlash, or tends to go out of focus, but it is not a big deal.
The only advantage for a side focus is ease of use.
In actual design terms I would say that the front focus or objective lens focus is better in that it has less moving parts.
The front focus moves the objective lens, whilst the side focus moves the focussing lens. Edited by 8shots - November/09/2009 at 06:09 |
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Ant264
Optics GrassHopper 
Joined: November/01/2009 Location: Australia Online Status: Offline Posts: 19 |
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Posted: November/09/2009 at 04:27 |
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So is there any advantage over a side focus then on the front of scope? eg VX-3 6.5-20*40 EFP or 6.5-20*50?
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mike650
Optics Jedi Master 
Joined: May/14/2006 Location: No. Cal Online Status: Online Posts: 8816 |
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Posted: November/08/2009 at 18:33 |
And I thought it was just me!!  |
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-Mike
"Fish to Live - Live to Hunt" "All fishermen are liars except you and me and I'm not so sure about you." |
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RifleDude
Optics Jedi Master
God of Fire Joined: October/13/2006 Location: Texas Online Status: Offline Posts: 7696 |
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Posted: November/08/2009 at 18:24 |
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Ant, I've heard the Leupold side focus had a bit of backlash. Recent models I've used didn't seem to exhibit this issue. I asked Leupold about it, and they confirmed they did have a problem, but that it's been fixed in recent scopes.
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Ted
You can tell a lot about a fellow's character by his way of eating jellybeans. -- Ronald Reagan |
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Average Joe
Optics Master 
Joined: April/24/2008 Location: Western Samoa Online Status: Offline Posts: 1869 |
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Posted: November/07/2009 at 18:52 |
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x2 with no problems
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I'm classic shag nasty type.
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Urimaginaryfrnd
Optics Jedi Knight
Resident Redneck Joined: June/20/2005 Location: Iowa Online Status: Offline Posts: 7400 |
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Posted: November/07/2009 at 18:26 |
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No problem with mine. Leupold will fix it if it has problems.
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>>>=============>
OT's Least Politically Correct |
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Ant264
Optics GrassHopper
Joined: November/01/2009 Location: Australia Online Status: Offline Posts: 19 |
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Posted: November/07/2009 at 18:00 |
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I have been told to not get a side focus Leupold because the side focus turret(dial) gets very sloppy. I thought maybe in the cheaper models but not in a VX-3. Any reports on this.
Thanks!
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