David -
I've worn glasses all my birding life, and have no problem with binoculars
or scope.  I just need to make sure the eye-relief on the binocs and scope
are greater that 16. However, I do have a problem with switching back and
forth between the prescription glasses and my polarized prescription
sunglasses.  I also have a problem using the LCD back of my camera with
sunglasses.  When the light is bright and I'm wearing sunglasses, I can't
see the bird in the LCD viewer.
As a result, I've thought about obtaining the "transition" glasses where the
lenses automatically go between regular glasses and sunglasses, depending on
the amount of sunlight.  I wonder if anyone else on MO-Birds has experience
with the "transition" lenses while birding,

...Dave Faintich

Olivette, MO 

"The truth of the matter is, the birds could very well live without us, but
many - perhaps all - of us would find life incomplete, indeed almost
intolerable without the birds" ~~ Roger Tory Peterson



From: Missouri Wild Bird Forum [mailto:[log in to unmask]] On Behalf
Of David Scheu
Sent: Wednesday, February 25, 2009 2:06 PM
To: [log in to unmask]
Subject: Sunglasses for birding

I'm a nearsighted birder who has no choice but to bird through glasses.
Which is not a problem really, except when the sun is bright enough that I
can't get by with just a wide-brimmed hat. Currently I wear the type of
fit-over sunglasses popular with fishermen, but the extra lenses blur the
image and reduce the field of view by keeping the binocular eyepieces too
far from my eyes. So in most situations I remove the sunglasses before
lifting binoculars to eyes. Which, oddly enough, takes exactly the same
amount of time as it takes the average passerine to find cover.


So, I've been considering prescription sunglasses, and wondered if any
MOBirders have good or bad experience birding with same. I'm curious about
contrast-enhancing tints like amber, but wonder if they'll complicate ID by
distorting color. Also wondering if polarized lenses used in conjunction
with optics might cause strange cloudy effects, like they sometimes do with
car windows and cell-phone screens.


Thanks in advance,

David Scheu

St. Louis, MO

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