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kelly1278 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kelly1278 Quote  Post ReplyReply Direct Link To This Post Topic: contact lenses and optics
    Posted: August/27/2010 at 22:02
this may be a dumb question but im going to ask anyway. i just recieved a zeiss diavari fl 4-16x50 and im having a hard time seeing much differance between it and my bushnell elite 4200 4-16x40 could  this be because i wear contact lenses?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Roy Finn Quote  Post ReplyReply Direct Link To This Post Posted: August/27/2010 at 22:10
I certainly hope so.
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kelly1278 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kelly1278 Quote  Post ReplyReply Direct Link To This Post Posted: August/27/2010 at 22:17
yea i know maybe i dont have it focused right i know the zeiss is better . 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pyro6999 Quote  Post ReplyReply Direct Link To This Post Posted: August/27/2010 at 22:19
my contacts dont mess with me when looking through a scope at all, my glasses i think would if i were wearing them.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kelly1278 Quote  Post ReplyReply Direct Link To This Post Posted: August/27/2010 at 22:22
maybe its time for a new pair of contacts . i havent compared them in low light yet im sure there will be a lot more differance then
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ckk1106 Quote  Post ReplyReply Direct Link To This Post Posted: August/27/2010 at 23:08
I wear contacts as well, and I can't imagine it being an issue of you wearing contacts.  Maybe try a new pair of contact if their old.  Or have your eyes checked again.  I often have to get a stronger prescription.  

Edited by ckk1106 - August/27/2010 at 23:09
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Magnumdood Quote  Post ReplyReply Direct Link To This Post Posted: August/27/2010 at 23:54
Originally posted by pyro6999 pyro6999 wrote:

my contacts dont mess with me when looking through a scope at all, my glasses i think would if i were wearing them.

I had laser surgery 4 years ago, and corrected my eyes to 20-15.  My surgeon and I were talking, as he’s a shooter too, and he told me glasses reflect 10% of the usable light from each side.  So, wearing glasses all those years was costing me 20% of the usable light coming from my scopes.  Not a good thing, especially when you spend top $$ for an Alpha-Optic and expect to get 95+% light transmission.  I never asked about contacts as I didn’t (couldn’t actually) wear them.  It seems that the contact is another glass/plastic surface the light has to pass through before you get the “usable” light.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote DAVE44 Quote  Post ReplyReply Direct Link To This Post Posted: August/27/2010 at 23:58
Yes, I wear contacts and have wondered the same thing at times. When I look through scopes without them and refocus them the scopes do seem sharper and crisper to me also.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pyro6999 Quote  Post ReplyReply Direct Link To This Post Posted: August/28/2010 at 06:14
Originally posted by Magnumdood Magnumdood wrote:

Originally posted by pyro6999 pyro6999 wrote:

my contacts dont mess with me when looking through a scope at all, my glasses i think would if i were wearing them.

I had laser surgery 4 years ago, and corrected my eyes to 20-15.  My surgeon and I were talking, as he’s a shooter too, and he told me glasses reflect 10% of the usable light from each side.  So, wearing glasses all those years was costing me 20% of the usable light coming from my scopes.  Not a good thing, especially when you spend top $$ for an Alpha-Optic and expect to get 95+% light transmission.  I never asked about contacts as I didn’t (couldn’t actually) wear them.  It seems that the contact is another glass/plastic surface the light has to pass through before you get the “usable” light.


thats very true, im not sure how much a fellar does lose through a contact. i suspect it cant be much beings the lenses of today are less than paper thin, but you are right im sure you lose a little bit.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote powderburn Quote  Post ReplyReply Direct Link To This Post Posted: August/28/2010 at 07:10
I don't know , I would expect that you might be losing some light as suggested through your glasses but that should impact both scopes evenly. I might question your expectation and definition of "much difference" as the 4200 is a pretty nice scope in it's own right and if you are comparing them in a casual look through in the middle of the day then there isn't going to be a day vs night sort of difference in my experience. Starting with the level of scopes you have the 4200 and moving to the next levels the law of diminishing return really starts to set in IMHO and the small increments in quality are probably only going to be seen in the extreme edges of performance such as getting you an extra 5-10 minutes of low light instead of 1hr. This isn't a slam against the ziess but it's like pro athletes such as golfers The difference in Tiger Woods and the guy at the bottom of the money list is probably a 1-2 stroke average.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gunshow75 Quote  Post ReplyReply Direct Link To This Post Posted: August/28/2010 at 07:44
Since you are wearing contacts when looking through both scopes, the difference in what you see isn't due to the contacts.
 
If you are comparing the two scopes during a high light level, and looking at the center of the field, you won't see a big difference.  Try comparing them when the light levels get low; test them for veiling glare; see which one has the flattest image; see which one has the best depth of field; and the list could go on.
 


Tom



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Post Options Post Options   Thanks (0) Thanks(0)   Quote kelly1278 Quote  Post ReplyReply Direct Link To This Post Posted: August/28/2010 at 08:02
thanks for all the replies maybe i need laser eye surgery to fully enjoy my scope.  if not im not sure the more expensive optics are worth the extra money
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lucytuma Quote  Post ReplyReply Direct Link To This Post Posted: August/28/2010 at 08:17
Be interesting to get a professional opinion on this, maybe Koshkin can shed some light on this.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote billyburl2 Quote  Post ReplyReply Direct Link To This Post Posted: August/28/2010 at 10:25
Another difference in the scopes, whether or not contacts are worn or not, should be how easy the scope reticle is to find at max magnification. The eye box on the Zeiss should be much better.
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kelly1278 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kelly1278 Quote  Post ReplyReply Direct Link To This Post Posted: August/28/2010 at 20:53
yea i would like to hear koshkins opinion for sure
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jgm1981 Quote  Post ReplyReply Direct Link To This Post Posted: August/28/2010 at 21:00
I have been wearing contacts many years. At times i do have trouble focusing but i can tell a big difference in my scope brands. My Steiner is always more crisp and bright than my vx 3.   
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Magnumdood Quote  Post ReplyReply Direct Link To This Post Posted: August/28/2010 at 21:56

I apologize for semi-hijacking this thread.  Regardless of the amount of light and/or resolution lost to glasses or contacts, if you had the eye surgery and compared the scopes again they would both appear to have a better image, but the relative difference would not change, IMO.

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kelly1278 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kelly1278 Quote  Post ReplyReply Direct Link To This Post Posted: August/29/2010 at 09:50
yea im sure your right but at least i wouldnt have to deal with fogging contacts anymore
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Magnumdood Quote  Post ReplyReply Direct Link To This Post Posted: August/29/2010 at 11:31
Originally posted by kelly1278 kelly1278 wrote:

yea im sure your right but at least i wouldnt have to deal with fogging contacts anymore
 
That is a definite plus if you have the eye surgery.  My glasses used to fog no matter what I tried; now I don't have to worry about that.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DAVE44 Quote  Post ReplyReply Direct Link To This Post Posted: August/29/2010 at 13:48
I have considered getting the surgery done but Im a little nervous about it. Its kind of scary having someone CUT ON YOUR EYEBALL!!!
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