The Breitling Watch Source Forums

Breitling Watch Information Forums, Navitimer, Chronomat
It is currently Sat May 03, 2025 11:11 pm

All times are UTC - 8 hours




Post new topic Reply to topic  [ 20 posts ]  Go to page Previous  1, 2
Author Message
 Post subject: Re: Polarized glass?
PostPosted: Mon Dec 31, 2012 10:25 am 
Offline
Breitling Enthusiast
Breitling Enthusiast

Joined: Mon Dec 17, 2012 1:20 am
Posts: 24
Likes: 0 post
Liked in: 0 post
Location: Sydney and Stockholm
P51 wrote:
I don't think its a good idea to use Polarising glass on a watch if you wear polarising lens in your glass or sun glasses. One contributes to the other and all you see is black. Found that with the instrument cluster on my vehicle. Centre cluster uses a polarising lens for bright sunny days, and I can't see a darn thing with my polarised sun glasses on. Unless I tilt my head 90 degress in the straight on axis. Useless.

Jim


Its all to do with the relative orientation of the polarizers (on the LCD with respect to your sunglasses), if the polarization of your glasses was not orthogonal to polarizarion on the LCD then you would not need to rotte your head 90deg - you could always just rotate the LCD 90deg and issue solved :nana:

_________________
Breguet Type XXI
Rolex GMT IIC
Breiting Superocean Heritage 46mm LE
Breitling B1
EZ430-Chronos

Vintage:
Omega Flightmaster
Heuer Calculator
Certina Alarm
Tissot Digital Jump Hour


Top
 Profile  
Reply with quote  
 Post subject: Re: Polarized glass?
PostPosted: Mon Dec 31, 2012 4:42 pm 
Offline
King of Ling
King of Ling
User avatar

Joined: Thu Oct 20, 2011 3:49 am
Posts: 1536
Likes: 22 posts
Liked in: 28 posts
Its all to do with the relative orientation of the polarizers (on the LCD with respect to your sunglasses), if the polarization of your glasses was not orthogonal to polarizarion on the LCD then you would not need to rotte your head 90deg - you could always just rotate the LCD 90deg and issue solved :nana:[/quote]

Yeah, good thought, but not so easy if the LCD is inserted into the dashboard. Perahps I could rotate the car 90 degrees and drive on two wheels whilst maintaining my normal oriatenation to the road. 8)

Jim

_________________
Jim

"You have Control".


Top
 Profile  
Reply with quote  
 Post subject: Re: Polarized glass?
PostPosted: Tue Jan 01, 2013 6:44 am 
Offline
Breitling Enthusiast
Breitling Enthusiast

Joined: Mon Dec 17, 2012 1:20 am
Posts: 24
Likes: 0 post
Liked in: 0 post
Location: Sydney and Stockholm
P51 wrote:
Yeah, good thought, but not so easy if the LCD is inserted into the dashboard. Perahps I could rotate the car 90 degrees and drive on two wheels whilst maintaining my normal oriatenation to the road. 8)

Jim


I've been in engineering meetings were wackier ideas have been proposed to solve issues. You should have patented your ideas before making it public :mrgreen:

_________________
Breguet Type XXI
Rolex GMT IIC
Breiting Superocean Heritage 46mm LE
Breitling B1
EZ430-Chronos

Vintage:
Omega Flightmaster
Heuer Calculator
Certina Alarm
Tissot Digital Jump Hour


Top
 Profile  
Reply with quote  
 Post subject: Re: Polarized glass?
PostPosted: Tue Jan 01, 2013 4:08 pm 
Offline
King of Ling
King of Ling
User avatar

Joined: Thu Oct 20, 2011 3:49 am
Posts: 1536
Likes: 22 posts
Liked in: 28 posts
I've been in engineering meetings were wackier ideas have been proposed to solve issues. You should have patented your ideas before making it public :mrgreen:[/quote]


Wacky! Well, I don't think anyone would seriously take me up on a patent. In Australia, I would probably be able to do a left hand turn OK, but a right hand turn would be hazardous. I guess I would get a good view of the under dash area though. LOL.

Jim

_________________
Jim

"You have Control".


Top
 Profile  
Reply with quote  
 Post subject: Re: Polarized glass?
PostPosted: Fri Jan 04, 2013 4:04 pm 
Offline
Breitling Enthusiast
Breitling Enthusiast
User avatar

Joined: Sun Sep 19, 2010 1:25 pm
Posts: 64
Likes: 0 post
Liked in: 0 post
I'm a little confused on this. I don't doubt that some car and aircraft displays with the new black displays, probably backlit LCD panels, have polarising filters of some kind to improve legibility but that is the bit that's confusing me.

My understanding of a polarising lens, my only experience is with photography and sunglasses, is that the polarising effect works on the light passing through the medium on the lens and filters the light as it passes through the lens. What happens to the light energy that is "filtered" I don't know. It seems it must be either absorbed or reflected.

The problem is that theory doesn't work with reflection, only transmission. So if a polarising lens filters light as it passes through the lens, how would that work to filter reflected light?

Is it not the case that some electronic displays become invisible when viewed through polaroid gasses because the display emits polarised light, not because of any kind of polarising AR coating?

I seem to remember that polaroid sunglasses make pretty good mirrors!

Thanks.

_________________
Emergency + Co-Pilot
Navitimer Heritage
Chronomat Evolution
SuperOcean Heritage 46
Avenger Seawolf Ti
Colt 2 Automatic


Top
 Profile  
Reply with quote  

Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 20 posts ]  Go to page Previous  1, 2

All times are UTC - 8 hours


Who is online

Users browsing this forum: No registered users and 11 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  
 




Powered by phpBB® Forum Software © phpBB Group