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Phil Douglis | all galleries >> Galleries >> Gallery Twenty: Controlling perspective with the wideangle lens > Choices, Lijiang, China, 2006
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03-APR-2006

Choices, Lijiang, China, 2006

Another critical advantage of wideangle photography is tremendous depth of field. This simply means that with a wideangle focal length, you can get everything in focus from near to far. This came in handy, for example, when I made this shot of my hosts in Lijiang, pbase photographers Alister and Allie Benn http://www.pbase.com/alibenn studying the menu at a local restaurant. I was able to get reasonably legible focus on everything from Alister’s budding beard to the patient waitresses expression and beyond. Usually, the closer we get to the subject with our lens, the smaller the area of sharp focus becomes. But with a wideangle (even a moderate wideangle such as this 35mm focal length) lens, we can get very close and still get plenty of focus depth in our images

Panasonic Lumix DMC-FZ30
1/25s f/2.8 at 7.4mm iso80 full exif

other sizes: small medium large original auto
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Phil Douglis25-Jul-2006 18:02
I love this comment, Ana. It just as if you and I were having a conversation about wideangle lenses. And yes, you are right. Normally, the smaller the f/stop, the more depth of field we have to work with. But f2.8 is a big f/stop, not a small one. I needed it because the room was not that bright. So how come we get so much sharpness in the picture with the lens wide open at f/2.8? I should have been shooting at f/8 -- my smallest opening, to get maximum sharpness from foreground to background, right? But I wasn't able to do that and still have enough light to work with. (Photography is all about tradeoffs.) So I am shooting wide open and yet I STILL get everything sharp from the menu to the light fixture no the ceiling. Only the guy at the table on the other side of the room is a touch soft. Why is my depth of field so great with my lens wide open? Because I am using a wideangle lens. As I said in my caption, with a wideangle lens -- even a moderate one like this -- you can get very close and still get plenty of the image sharp from front to back. And yes, I am using the wideangle end of my zoom here. That 7.4mm figure is the digital equivalent of 35mm on a film camera.

I love the fact that you saw a completely different image in the thumbnail. And I use those extra large thumbnails that pbase offers us in its new pblog format, too. You saw them as on board a ship because your imagination was at sea. And all that red reminded you of a crew going over some charts. And Alister and Allie were really serious about choosing the best dish. Thanks so much for this wonderful comment, Ana -- it so good to have you come back to my galleries again.
Ana Carloto O'Shea25-Jul-2006 15:55
I still feel really stupid when reading about the lenses capabilities... It's terrible not knowing anything about it. The depth of field... well you've used a small aperture f/2.8 so this means that everything close to you would be in focus, if you used a bigger one that would mean that the stuff further away would be focused, right? So this is where that wideangle thing comes into play, right? But your camera has fixed lenses, so you didn't changed it for sure....
Ah!! It's the zoom!! It has to be the zoom. It's the 7.4mm figure right? Yeah... I've noticed that when I zoom the camera big time that number gets bigger. Well... it might not be that, I really don't know.

Anyway, I like this photo a lot actually and........ are you sitting down Phil??
Do you know what I saw when I've looked at the thumbnail for the first time?? Brace yourself, because this one is drop dead funny :)
Well... I thought they were on board of a ship!!! Really!!
No way! I didn't drink anything but water today and though I forgot my glasses at home I can still see pretty sharp, so where does this ship thing came about?
The main thing I've noticed was the red in all of their clothes... it seemed like some some sort standard crew attire, secondly I've noticed that they were carefully studying these charts... like in an oceanography ship or something like that :)
And to make things even more believable Alister & Allie's faces were so study like serious that I thought that some scientific breakthrough was about to unfold under my very eyes.

I just love it when I am fooled by a thumbnail :) I still don't know zip about that wideangle thing, but it seems like you know that baby a long way to pull one like this out of your camera. That and well, on a more down to earth Ana's level of knowledge I can say that "Damn Phil! You've just clicked at the right moment"
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