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Whats Up With The White Stuff |
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dtels
Optics GrassHopper Joined: November/17/2009 Location: dallas Status: Offline Points: 3 |
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Posted: November/17/2009 at 17:12 |
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i have 4.5 - 14 -50 pentax whitails unlimited scope and have had it since new for 8 years or so,everytime im looking towards the west just before during and after sunset my scope whites out bad,not only is this embarresing considering what i paid and that i turned down a nikon for it,but cheaper scopes like the simmons dont do this and as a consequence ive missed 2 trophy opportunities.i sent it to pentex and they said that its typical for a large bell to do that,why would they make it if it was?has anyone had similar probs?i hate to sell it to someone its almost worthless to me thinking about sending to pentax and telling them to throw it away,any suggestions?i bought the pentax sunshade for it i even bought a sock for the ss barrel thinkin it might cause a glare.ive compared a simons 44 mag side by sidethat was a lil embarrasing to,im totally frustrated,maybe the tech at pentax didnt really look at my scope.thanks
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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It is the coatings on the glass. i ahve some scopes that do that badly and others that perform much better in that regard.
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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RONK
Optics Master Extraordinaire Joined: April/05/2007 Location: United States Status: Offline Points: 3199 |
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I think Supertool's right, it seems to happen with some scopes more than others, and it probably has no real connection to overall quality. An extended tube (sunshade) will help minimize it a great deal. An ARD ( Anti-Reflection Device) probably helps a little, too.
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koshkin
MODERATOR Dark Lord of Optics Joined: June/15/2004 Location: United States Status: Offline Points: 13182 |
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It happens with some scopes more than others. It is not necessarily coatings though, and often times, the quality of the coatings is not the primary problem. Typically it is a combination of different things: reflections from glass surfaces (i.e. coating problems), reflections from internal metal pieces in the scope, scattering in the glass, scattering due to surface imperfections, etc.
Veiling flare like that described by the original poster is likely a result of some reflections in the objective lens group. Sunshade or ARD would probably help a little bit; however, if there is a bright object within the field of view, then it is not going to be much help. ILya
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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Ilya, it's great having you around, sometimes we need a professional explenation of what we can't put into words, I guess the "Dark Lord" is more than justified.
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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koshkin
MODERATOR Dark Lord of Optics Joined: June/15/2004 Location: United States Status: Offline Points: 13182 |
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You are welcome. The whole "DarkLord" thing started out as a product of cheaptrick's fertile imagination and had nothing to do with thing optical. I thought it was funny, and it kinda got stuck. ILya
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dtels
Optics GrassHopper Joined: November/17/2009 Location: dallas Status: Offline Points: 3 |
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thanks for the info,i just didnt think i had to rig up a scope with more stuff to make it work considering the cost and the fact i could of got better results with a lesser scope,has anybody had this experiance with this scope before?any suggestion on what one might do in this situation? |
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Steelbenz
Optics Jedi Knight ROLL TIDE ROLL Joined: January/03/2006 Location: Heart of Dixie Status: Offline Points: 5153 |
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See if Chris will take it in trade on a scope you really want. Chris@SWFA.com
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"Don't argue with a fool! From a distance you can't really tell who's who!"
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crispycritter
Optics Apprentice Joined: July/30/2004 Status: Offline Points: 115 |
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Not with this scope but had a Bush. Banner do the same thing. I fixed it by selling it.
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Chris Farris
TEAM SWFA - Admin swfa.com Joined: October/01/2003 Location: Texas Status: Offline Points: 8024 |
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We'll pass if it's that bad, I would not want to pass it on to some unsuspecting customer.
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crispycritter
Optics Apprentice Joined: July/30/2004 Status: Offline Points: 115 |
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Is this a QC problem with the scope or a problem all scopes in the product line will have?
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Chris Farris
TEAM SWFA - Admin swfa.com Joined: October/01/2003 Location: Texas Status: Offline Points: 8024 |
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dtels
Optics GrassHopper Joined: November/17/2009 Location: dallas Status: Offline Points: 3 |
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only does this in the evening facing westerly near sunset.has anyone ever had this problem or a service problem with pentax?like i said before i wouldnt want to sell it to anyone,its looking like im just gonna send it to pentax and tell thim to keep it. |
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