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Whooooo is this ?

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Offline badknees

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Whooooo is this ?
« on: February 03, 2008, 02:11:38 PM »
Guess whooooooooo.

Not all those who wander are lost.
J.R.R. Tolkien

Through the Mirror
http://mirrormagic.com

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Offline The Scorpion

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Re: Whooooo is this ?
« Reply #1 on: February 03, 2008, 03:03:30 PM »
great shot. I have never seen one of these in the wild.

James
everything is better with bacon!!!

http://jamesb.smugmug.com/BigBendNationalPark/

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Offline astrofizz

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Re: Whooooo is this ?
« Reply #2 on: February 03, 2008, 03:44:41 PM »
A very fine photo of a Burrowing Owl! Thanks for sharing it. Did you get this shot in BBNP? The last Burrowing Owl I saw in west TX was along the Casa Piedra Road (FM 169, Presidio County), approx 2 miles north of Alamito Creek, in late May.

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Offline MMitchell

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Re: Whooooo is this ?
« Reply #3 on: February 03, 2008, 04:01:30 PM »
Amazing photo. How close did the owl let you come towards it?

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Offline RichardM

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Re: Whooooo is this ?
« Reply #4 on: February 03, 2008, 08:44:08 PM »
Great shot!  I'm too lazy to look up photography basics to figure it out since I'm busy watching the Super Bowl, but what does a focal length of 71.2mm (according to the Exif data) translate to wrt zoom? 

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Offline The Scorpion

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Re: Whooooo is this ?
« Reply #5 on: February 03, 2008, 09:15:16 PM »
Great shot!  I'm too lazy to look up photography basics to figure it out since I'm busy watching the Super Bowl, but what does a focal length of 71.2mm (according to the Exif data) translate to wrt zoom? 

call me lazy (stupid actually) but what is "wrt zoom". I have never heard of that before

im too lazy to look it up and Im NOT watching the super bowl.

James
everything is better with bacon!!!

http://jamesb.smugmug.com/BigBendNationalPark/

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Offline RichardM

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Re: Whooooo is this ?
« Reply #6 on: February 03, 2008, 09:25:38 PM »
Great shot!  I'm too lazy to look up photography basics to figure it out since I'm busy watching the Super Bowl, but what does a focal length of 71.2mm (according to the Exif data) translate to wrt zoom? 

call me lazy (stupid actually) but what is "wrt zoom". I have never heard of that before

im too lazy to look it up and Im NOT watching the super bowl.

wrt = "with respect to"

I've never gotten around to learning the technical details/terms of photography and I figured I'd get someone here to enlighten me as opposed to reading through online tutorials.  Most camera ads list a focal length range as well as zoom (e.g. 3X optical).  For example, my Canon A720IS says it's 6X or 35mm-210mm.  To rephrase the original question, what does "focal length = 71.2mm" tell me about how much zoom he used?  Can I assume it was a 35mm equivalent zoom of a little over 2X or is there more to it?  If the picture was taken at only 2X, then either he was pretty close to the owl, cropped it significantly, or that was one big freakin' owl...
« Last Edit: February 03, 2008, 09:34:20 PM by RichardM »

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Offline badknees

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Re: Whooooo is this ?
« Reply #7 on: February 03, 2008, 10:11:49 PM »
Great shot!  I'm too lazy to look up photography basics to figure it out since I'm busy watching the Super Bowl, but what does a focal length of 71.2mm (according to the Exif data) translate to wrt zoom? 

call me lazy (stupid actually) but what is "wrt zoom". I have never heard of that before

im too lazy to look it up and Im NOT watching the super bowl.

wrt = "with respect to"

I've never gotten around to learning the technical details/terms of photography and I figured I'd get someone here to enlighten me as opposed to reading through online tutorials.  Most camera ads list a focal length range as well as zoom (e.g. 3X optical).  For example, my Canon A720IS says it's 6X or 35mm-210mm.  To rephrase the original question, what does "focal length = 71.2mm" tell me about how much zoom he used?  Can I assume it was a 35mm equivalent zoom of a little over 2X or is there more to it?  If the picture was taken at only 2X, then either he was pretty close to the owl, cropped it significantly, or that was one big freakin' owl...


The 71.2 mm X 1.6 crop(sensor) comes out to about 114 mm. I was VERY close. About 10 ft away. This picture was taken near Texas City. I used my truck as a blind and drove right up to it. Have seen Burrowing Owls in the prairie dog towns north of Marathon enroute to Ft. Stockton.
Not all those who wander are lost.
J.R.R. Tolkien

Through the Mirror
http://mirrormagic.com

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Offline The Scorpion

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Re: Whooooo is this ?
« Reply #8 on: February 03, 2008, 11:14:39 PM »

wrt = "with respect to"

oh.... i call that the x-faxtor

its a marketing term and really has no value

to get the 3x zoom or what ever of any camera and or lens you take the long end focal length of your camera which is 210mm and divide that by the wide end of your lens which is 35mm and that gives you 6 x.

its only the range your camera is capable of from the wide angle to the zoom end

i have a sigma 50-500 lens that i used for wild life and it can get stuff pretty far away. its so called x-factor is 10x

you can take a 28-300mm lens and that comes out to 10 x (actually 10.7 but lets stick with 10 for the demo), but my 50-500 has more long end reach than the 28-300, but the 28-300 has more wide end  coverage.

so as you can see 10x means nothing because both lenses are 10x so which one would you get?


you can find the x-faxtor for the 71mm he shot the photo at by finding out what the wide angle end is of his camera and use that in the formaul to get your number

example if its a 28mm on the wide end, you wold take 71mm divide by 28mm to get 2.5x that the photo was taken at.

its a lot easier to just use the MM from the exif data and not worrying about the x faxtor.

James
everything is better with bacon!!!

http://jamesb.smugmug.com/BigBendNationalPark/

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Offline The Scorpion

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Re: Whooooo is this ?
« Reply #9 on: February 03, 2008, 11:17:51 PM »
Have seen Burrowing Owls in the prairie dog towns north of Marathon enroute to Ft. Stockton.

I may have to stop and hang out there a bit longer ext time im out that way to see if I can get some owls. I stopped last August in a few different spots and shot (took photos of) some prairie dogs. man they bark up a storm, but they are funny to watch.

James
everything is better with bacon!!!

http://jamesb.smugmug.com/BigBendNationalPark/

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Offline astrofizz

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Re: Whooooo is this ?
« Reply #10 on: February 04, 2008, 07:00:49 AM »
There also was a prairie dog colony with Burrowing Owls on the NE corner of Exit-235 on I-10, a bit west of Ft Stockton. The colony came almost right up to the interstate. But the last couple times I've stopped (and it's been a couple yrs now), there appeared to be very few prairie dogs there any more, and no Burrowing Owls. The busiest prairie dog / burrowing owl community I've seen in TX is at the Amarillo landfill. The colony between Ft Stockton & Marathon is another very good one.

 


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