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The Danger  Look !
 
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Image Title:  The Danger Look !
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 By: Kamran   
  Copyright ©2005

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Photographer Kamran   Kamran   {Karma:3526}
Project #21 Alone Camera Model Canon Digital Rebel
Categories Humor
Pets
Portrait
Film Format
Portfolio Portrait
Pet
Humor
Lens Canon  75-300mm f/4.0-5.6 EF IS USM
Uploaded 2/2/2005 Film / Memory Type Lexar  1GB
    ISO / Film Speed 16
Views 540 Shutter
Favorites Aperture f/
Critiques 49 Rating
5.65
/ 27 Ratings
Location City -  Orlando
State -  FL
Country - United States   United States
About Unlike human eyes, which work best in day light, the cat?s eyes
must function well in extremely low light condition and as such
are well suited to an animal that is predominantly nocturnal and
crepuscular in activity. In darkness, cats eyes are able to
function in approximately one-sixth of the light needed for human
vision. However they must also be able to function well in
daylight ? so just how is this achieved.

In low light levels the cats pupil must be able to open as wide
as possible, but also be able to contract to very small size to
protect the sensitive retina in bright sunlight. In human eyes,
this size variation of the pupil is controlled by a circular
ciliary muscle, but this limits the amount of size variation.



In cats however, the same process is controlled by two, shutter-like
ciliary muscles, which gives the cat it?s characteristic
slit-like pupil in bright light conditions. All cats pupils are
therefore elliptical, however some, notable the ?Big Cats?,
appear more circular when dilated.

The size of the cats eye is relatively larger than those found in
human, this enables a larger pupil and therefore more light to
enter the eye. Generally, the lens is more curved enabling
sharper focusing even at the edges of the lens. The size of the
anterior chamber and the curvature of the cornea is also greater,
which helps more light to be refracted onto the light-sensitive
retina.

Another feature, which enabled the amount of light hitting the
retina to be increased, is the tapetum lucidum. This is
positioned at the back of the eye, behind the retina and acts
like a mirror, reflecting light back onto the light sensor cells
in the retina. This gives the cats eyes the characteristic
night-time glow when they are caught in a beam of light.

There are two distinct types of light receptor cell on the retina
? Cones, which are sensitive to high levels of light, used in
colour vision and Rods, sensitive in low light conditions. In
cats, there is a greater concentration of Rods, aiding their
night-time vision. As in humans, there is a greater concentration
of receptor cells at the center of the eye, leading to the optic
nerve. In cats, however, these a concentrated along a broader,
horizontal band. This gives the cat far more sensitivity to
movement along the horizontal axis and they are therefore more
able to detect prey movement along the ground at greater
distances.

Info from http://www.petcaretips.net/cat_eyes.html





Random Pictures By:
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There are 49 Comments in 1 Pages
  1
James Hager   {K:6285} 4/10/2005
Great expression on the cat, and a very informative "About."

  0


Roberto Arcari Farinetti Roberto Arcari Farinetti   {K:209486} 4/4/2005
space cat..
i like it!
so incredible magnetic eyes!
roby

  0


Sam Andre Sam Andre   {K:12484} 3/26/2005
great picture but even a greater lecture on feline eyes :))

  0


Alexei Basarab   {K:145} 3/2/2005
What a look! What's his name?

  0


Reza Fakhrai   {K:3014} 2/25/2005
As I very much enjoy pet photos, especially cats, this is a great shot. Nice detail in the eyes and explanation!

  0


Haris Calkic Haris Calkic   {K:4908} 2/24/2005
excellent

  0


Bianca Nunes   {K:1158} 2/23/2005
Very fun!!! Great capture!!!

  0


siddhardha garige   {K:1746} 2/21/2005
great movement well caputred..

  0


Patty Morena   {K:16598} 2/20/2005
Beautiful cat portrait.Nice scene.

  0


Emmanuel Panagiotakis Emmanuel Panagiotakis   {K:6267} 2/20/2005
Very good detail in this picture you can see the colors in the eyes
very nice color temperature and very good depth of field nice PS work
well-done

  0


Sean D.   {K:2361} 2/19/2005
Great shot and excellently researched documentation - coincidently only today while viewing a number of my own cat pictures it was with their eyes I was wondering on a few points you have put forward. How a cat actually percieves the world mentaly may be a mystery for some time.

  0


John E Robertson John E Robertson   {K:1752} 2/18/2005
Thanks for the compliment Kamran. I know when our cat looks at you like this, its time to retreat, claws will follow, and blood shortly thereafter!!

  0


Olga Vareli Olga Vareli   {K:22477} 2/16/2005
unbelievable eyes, I love THIS cat!Perfect image!

  0


B B B B   {K:30983} 2/11/2005
Hi Kamran,
this look is very hypnotic!
Very good.

Paola

  0


Helen Jansa   {K:184} 2/9/2005
Interesting info, lovely cat.
Excellent photo.
Helen

  0


Khaled Mursi Hammoud Khaled Mursi Hammoud   {K:54005} 2/8/2005
Nice image.
What I like here is the clear sharp details and the look of it's eyes, very hypnotic :)
Thanx for the about, very informative,
Khaled.

  0


Serge Moscow Serge Moscow   {K:-2917} 2/5/2005
Very impressive with a lot of details. Interesting "about".
Regards
Serge

  0


Diabo     {K:2080} 2/5/2005
Interesting view on eyes.

You should get an award for this: longest image description on usefilm.com ; )

  0


Kareem Hamdan Kareem Hamdan   {K:3180} 2/4/2005
strange eyes, I am afraid of these eyes. Ya Lateef!

Regards
Kareem

  0


Chad Parish Chad Parish   {K:6440} 2/4/2005
Did you just mention something about a vet?!

Fun shot, great expression on kitty.

  0


Larry Hammond Larry Hammond   {K:16631} 2/4/2005
All systems on the alert Kamran, sure are!!

Larry

  0


Carla Sie   {K:2057} 2/3/2005
So cute, he does not look dangerous for me! Love it! Purrrrrrs, Carla

  0


I g n a c i o D e L a F u e n t e   {K:10518} 2/3/2005
No se puede mirar mucho tiempo esa fotografía. ?Puede uno quedar hipnotizado!

  0


Del Metheny   {K:25617} 2/3/2005
Great photo,,,but the explanation gives it additional meaning. Del.

  0


Dave Stacey Dave Stacey   {K:150877} 2/3/2005
Good cat portrait, Kamran! Looks like you surprised him!
Dave.

  0


Maurizio Spadaccino Maurizio Spadaccino   {K:5132} 2/3/2005
funny capture and interesting comment, Kamran!
Maurizio

  0


José Vasconcelos Dias   {K:9341} 2/3/2005
Fantastic expression in the cats eyes. Very good! Regards

  0


Sergio Sánchez   {K:2350} 2/3/2005
Impressive eyes!! But more impressive is the "about" and the information you give, great!

Sergio

  0


Marian Man Marian Man   {K:80636} 2/3/2005
so cute and with so expressive look!!!! thank you for the detailed about!!! great shot dear Kamran!!! best regards Marian

  0


John Loreaux John Loreaux   {K:86210} 2/3/2005
Thanks for the lesson Kamran very interesting teaching!
The photo is wonderful! A great catch!
My best.........John

  0


Orcun Kozluca Orcun Kozluca   {K:3487} 2/3/2005
very nice shot.

  0


CAGATAY ATASAGUN CAGATAY ATASAGUN   {K:21564} 2/3/2005
Dear Kamran,
It seems he is suprised much.
Thank you for detailed information.
Best wishes,
CAgatay

  0


Tiger Lily     {K:10966} 2/3/2005
She looks good.

  0


Former Member   {K:4077} 2/3/2005
The additional information is very good. The photo is magnific. Congrats!

  0


Roberto Okamura   {K:22851} 2/3/2005
Very beautiful effects you got in cat eyes!!
Congrats!
Roberto.

  0


Ana Martins   {K:5643} 2/3/2005
Cute, Kamran!
have you seen my Valentino? He looks like this cat but he's much skinnier
Cheers,
Ana

  0


Cheri Meredith-Evans   {K:1766} 2/3/2005
Great capture. Nice title also, very appropriate!

Thanks for sharing!
~Cheri

  0


Michael J. Wagner   {K:5896} 2/2/2005
Love the shot and all the info, I have two cats of my own and now I know more about them!

  0


Joe dos Santos   {K:3682} 2/2/2005
Thanks for the information as well for very expressive photograph . Great capture.
At first I thought was my cat. I have one exactly like that and the composition very similar to yours

  0


Mark Evans Mark Evans   {K:17428} 2/2/2005
Good capture kamran !! the detail and colours are superb !! congrats .. mark .

  0


Samantha P   {K:1961} 2/2/2005
Kamran; great moment you have captured. The additional information is great!

  0


Calin Hanchevici   {K:1459} 2/2/2005
cute, a little afraid but still cute.

regards, calin

  0


Di Ciuccio Maurizio Di Ciuccio Maurizio   {K:57398} 2/2/2005
fantastic view and excellent shot...wonderfull eyes and magic color of light..great work..a soon

  0


Larry Fosse Larry Fosse   {K:66493} 2/2/2005
Great Photo....great eyes
Did you see this one I posted the other day?

http://www.usefilm.com/image/684854.html

Looks like we have similar cats

  0


Don Loseke Don Loseke   {K:32503} 2/2/2005
This is a beautiful cat. Well focused and nice ligthing. Don.

  0


Teunis Haveman Teunis Haveman   {K:53426} 2/2/2005
Kamran, great cat portrait
Teunis

  0


James Silcock   {K:12501} 2/2/2005
Fantastic additional information to go with a great cat portrait, I love it's 'startled' pose! The background is great, almost looks like canvas and doesn't distract from the wonderful animal at all. My personal favourite bit are the emerald coloured diamonds in it's eyes. Great shot.

  0


Frits Selier   {K:455} 2/2/2005
very expressive

  0


Gilberto Santa Rosa   {K:11147} 2/2/2005
Wonderful eyes and very instructive "about"...
But, why the pupil is green, not red?
Congratulations.

  0


  1

 

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