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Not exactly aircraft

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Trainnut01(at)AOL.COM
Guest

Posted: Thu Feb 15, 2007 12:12 pm Post subject: Not exactly aircraft

Hey Gang

 Has any one had any experience using "Transitions" eyeglass lenses in the  cockpit? I almost bought a pair today but was told that they react to  ultraviolet light and that the plexiglass canopy would screen out the UV and  prevent the lenses from darkening. Thought someone on the list might know. I  don't want to spend $750.00 on an experiment.

 Carroll Jernigan

 601XL Wings (still)

  

 do not archive

  [quote][b]

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barcusc(at)comcast.net
Guest

Posted: Thu Feb 15, 2007 12:34 pm Post subject: Not exactly aircraft

I am believe they are right, I bought transitions but the tinted  windshield in my van prevented the lenses from working. I had to go back to  prescription sunglasses.

  

 Regards 

  

 Clyde Barcus

  

 Do Not Archive 

 [quote]   ---

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NYTerminat(at)aol.com
Guest

Posted: Thu Feb 15, 2007 12:41 pm Post subject: Not exactly aircraft

I use mine all the time in a 701, no problem, why $750.00?

  

 Bob Spudis

  

  

  

 In a message dated 2/15/2007 3:14:39 P.M. Eastern Standard Time,  Trainnut01(at)aol.com writes:

  	  Quote: 	
		     Hey Gang

   Has any one had any experience using "Transitions" eyeglass lenses in the    cockpit? I almost bought a pair today but was told that they react to    ultraviolet light and that the plexiglass canopy would screen out the UV and    prevent the lenses from darkening. Thought someone on the list might know. I    don't want to spend $750.00 on an experiment.

   Carroll Jernigan

   601XL Wings (still)

    

   do not archive

 	  Quote: 	
		  

	
	


 

  

  [quote][b]

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Trainnut01(at)aol.com
Guest

Posted: Thu Feb 15, 2007 12:50 pm Post subject: Not exactly aircraft

$750.00 was the first quote from my eye doctor' I'll be shopping that price  before I buy.

 Carroll

  

 do not archive

  [quote][b]

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bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Thu Feb 15, 2007 1:13 pm Post subject: Not exactly aircraft

According to this: http://www.plexiglas.com/literature/pdf/81.pdfStandard Plexiglas blocks the shorter UV waves but lets in some of the longer waves. Some plexiglas is treated to block even more UV. 



I know they don't work in a car. They are activated by the UV in sunlight but I don't know which band of UV activates them. I don't recall if the pair I had would darken in the cockpit or not. I don't think they did. I should take them out to the plane some day and try it. Personally, I would never buy them again, You need to have a separate pair of sunglasses while driving anyway, and I'm pretty sure I had to wear sunglasses in the plane also.



On Feb 15, 2007, at 3:09 PM, Trainnut01(at)aol.com wrote:

 	  Quote: 	
		    Hey Gang

 Has any one had any experience using "Transitions" eyeglass lenses in the cockpit? I almost bought a pair today but was told that they react to ultraviolet light and that the plexiglass canopy would screen out the UV and prevent the lenses from darkening. Thought someone on the list might know. I don't want to spend $750.00 on an experiment.

 Carroll Jernigan

 601XL Wings (still)

 

	






 -- 

Bryan Martin

N61BM, CH 601 XL,

RAM Subaru, Stratus redrive.

do not archive.

 



 [quote][b]

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_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

lrepilot(at)yahoo.com
Guest

Posted: Thu Feb 15, 2007 2:44 pm Post subject: Not exactly aircraft

I have been flying with transition lens sunglasses for

the past 2 years. The are the greates thing. You are

able the see distance,the gages, and the charts very

clearly. I have never experiecd any problem with the

plexi windshields on the C172, Piper, or the 601XL.

ken

--- Trainnut01(at)aol.com wrote:



 	  Quote: 	
		   Hey Gang

 Has any one had any experience using "Transitions"

 eyeglass lenses in the  

 cockpit? I almost bought a pair today but was told

 that they react to  

 ultraviolet light and that the plexiglass canopy

 would screen out the UV and  prevent 

 the lenses from darkening. Thought someone on the

 list might know. I  don't 

 want to spend $750.00 on an experiment.

 Carroll Jernigan

 601XL Wings (still)

  

 do not archive

 


	


 

Don't get soaked.  Take a quick peak at the forecast

with the Yahoo! Search weather shortcut.

http://tools.search.yahoo.com/shortcuts/#loc_weather

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naumuk(at)alltel.net
Guest

Posted: Thu Feb 15, 2007 4:01 pm Post subject: Not exactly aircraft

I've worn them since they were known as "Photo-gray" and  recommend them.

      I thought $400 for glass trifocal transitions were  expensive (Glass lasts scratches much better than plastic) but your  does your optometrist wear a mask? $750??!!

 Bill Naumuk

HDS Fuselage

Townville, Pa

 [quote]   ---

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buchdvm(at)fidnet.com
Guest

Posted: Fri Feb 16, 2007 6:42 am Post subject: Not exactly aircraft

Dear Folks:

 As a member of the optically impaired and also a  product of the "GREAT DEPRESSION" let me offer a new solution to seeing in the  cockpit!  A visit to the nearest 

 Walgreen Pharmacy will provide a set of  bifocal stick on lenses that will convert your favorite pair of cool sunglasses  to everything you need at a price of approximately Fifteen dollars ($15.00) or a  pair of "old guy " sunglasses to wear over those expensive prescription  spectacles for about the same expense or less. Just my $.02 worth and pi are  square <

 Regards,

 Ken

 It's to cold to fly here in the Great State  of Misery.                     MISSOURI

  

 Do not archive

    [quote][b]

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pilot4pay

Joined: 01 Jan 2007
Posts: 171
Location: Louisville, KY

Posted: Fri Feb 16, 2007 9:51 am Post subject: Not exactly aircraft

My wife is an optician,  and I wish she was dispensing in that shop!

 All kidding aside, the  photo-grey process comes under many trade names, some cost more than others.  Frames depending on the maker and construction will vary in price as well. The  prescription of the lens may complicate the fabrication to some degree and price  will vary. Now from just a "I got this quote for eyeglasses" and making  judgments about comparison shopping without all of the details of frame, lens  composition, prescription and so-forth is an exercise in comparing apples to  whatever. In Macy's they have frames on the shelves over $400 without the  lenses. I'm sure if I asked my wife for some top prices, she could come up with  higher numbers than that.

 Now, if the prescription  calls for a special lens with a drastic correction, and you have top of the line  designer name frames with flex-on or titanium, a progressive no-line bifocal  process, antireflective coatings, etc. that quote may not be so far  fetched. If you have a common low correction simple line bifocal, no name  plastic frames and Billy-bobs photo-grey, then go shop your prescription. Make  sure you compare apples to apples and know what they are totaling up on the  ticket for add-ons. Take a close look at the cost of the frame by itself. Does  it's construction warrant the price? How about your lenses, are there add-ons in  addition to the transitions(transitions is a trade name process and costs more)  like coating, a high refractive composition (usually recommended with extreme  corrections to keep weight down) and others. Read the quote completely, if there  are items included you didn't ask for, have those things explained to you or  removed from the lab order and get the price under control. There are shops that  will take you for a ride, especially small independent practices or practices in  high rent real estate.

 My pilot glasses are the  Scheyden flip-ups. the sun lens is a separate piece hinged to the  frame.

 http://www.scheyden.com/lo/aviation.html

 I like the fact that I  can instantly go from normal to dark in a touch of the finger. They are very  well made, but not cheap.

 I have a progressive  bifocal now, but next prescription exam I will switch to a line bifocal, because  the progressives have such a narrow "near" optical zone, you are forced to turn  your head and look directly at whatever you need to see. Not so convenient in  the cockpit.

 Craig  Smith



   From: owner-zenith-list-server(at)matronics.com  [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of  Trainnut01(at)aol.com

Sent: Thursday, February 15, 2007 3:10  PM

To: zenith-list(at)matronics.com

Subject: Not  exactly aircraft

 

 Hey Gang

 Has any one had any experience using "Transitions" eyeglass lenses in the  cockpit? I almost bought a pair today but was told that they react to  ultraviolet light and that the plexiglass canopy would screen out the UV and  prevent the lenses from darkening. Thought someone on the list might know. I  don't want to spend $750.00 on an experiment.

 Carroll Jernigan

 601XL Wings (still)

  

 do not archive

[quote]



href="http://www.matronics.com/Navigator?Zenith-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com



[b]

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_________________
Craig Smith
CH640 builder
SN: 0078

"Just think how stupid the average person is,
and then realize that half of them are even stupider!"
--George Carlin

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