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Why the Sharpest Photo Isn’t Always the Best Photo

July 6, 2010 by Steve Berardi 5 Comments

Desert Sunflower photo
Desert Sunflower @ f5.6 / Photo by Steve Berardi
As nature photographers, we tend to have an obsession with tack sharp photos and will do almost anything to increase the sharpness just a tiny bit. After all, looking up close at a sharp photo of a dragonfly is one of the greatest rewards of photographing the natural world 🙂

But, sometimes it’s necessary to sacrifice a little sharpness for a better composition.

As an example, consider the photo above of a Desert Sunflower in front of a patch of Desert Sand Verbena (see original size photo too). There are three reasons why the sunflower isn’t as sharp as it could have been:

  1. The wind was blowing pretty hard, and constantly swaying the flower
  2. The camera’s sensor was not parallel to the most important plane of the flower
  3. A pretty large aperture was used (f/5.6), which limited depth of field

Of course, the wind was out of my control, so all I could do for that was wait for the calmest moment possible. But, the other two were in my control. Why didn’t I address these problems?

Well, if I put the camera in a position where the sensor was parallel to the flower, then I wouldn’t have had the all-purple background. It would have been a mixture between green, brown, and a few blotches of purple. All these colors would have distracted the viewer and it wouldn’t have created as strong a contrast as the purple alone.

And, if I chose a smaller aperture to get more depth of field, then the background would’ve been a lot more in focus because it wasn’t too far away (only a few feet). I did take a test shot to see what it would’ve looked like if I increased the f-number by one stop to f/8.0:

Desert Sunflower photo
Desert Sunflower @ f8 / Photo by Steve Berardi

Even just a one stop difference significantly changed the background from a nice seamless purple into a distractingly blotchy background.

Another thing to consider is the final print size you’re looking to make. Yeah, my flower photo here would look pretty blurry if printed at 30×20, but if I print smaller, then I can take advantage of sharpening through resizing. With flower photos, I think an 8×10 print is large enough, maybe 16×20 max?

So, consider your composition first, and then setup your shot to maximize sharpness of that particular composition. Don’t sacrifice your photographic vision just for a sharper photo.

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steveb2About the Author: Steve Berardi is a naturalist, photographer, computer scientist, and founder of PhotoNaturalist. You can usually find him hiking in the beautiful mountains and deserts of Southern California.

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Filed Under: Tips, Wildflowers Tagged With: aperture, best photo, composition, depth of field, focus, good photos, image, parallel, photo, plane, sharp, sharpness, tack sharp, tripod, wildflowers

Reader Interactions

Comments

  1. Carl Nicholson says

    July 7, 2010 at 12:55 am

    Hi Steve, really enjoy your articles. Just popped in for info on white birds in flight and saw this. Can’t agree more, I sometimes see wild bird images that has clear PP marks of selective (over)sharpening. I recently took a photo of my first ever wild leopard. Due to the low light, ss couldn’t freeze the subject. But the end result was a very arty looking leaping leopard. Not intended though, there was a lot of panic to get the shot:-)
    http://www.outdoorphoto.co.za/forum/photopost/showphoto.php?photo=232539&ppuser=15583

    Reply
  2. Tiberman Sajiwan Ramyead says

    July 7, 2010 at 8:45 am

    2 or 3 years ago, I was dangling at 700 metres in our National Park here in Mauritius, shooting a rare endemic species, ‘Rousseea Semplex’. With a naive compact, of course it came out perfectly blurred; but, Steve, I think I am now beginning to understand the experiences you are sharing with us.
    Tiberman – Mauritius

    Reply
  3. Richard Field says

    December 8, 2010 at 6:17 pm

    Hey Steve,
    Thanks for that!
    I am not 100% sure what you mean when you say that the camera’s sensor wasn’t parallel to the flower. Do you mean that you were shooting ‘down’ at a slight angle meaning that the whole of the flower wasn’t on the same focal plane?
    Thanks,
    Richard

    Reply
  4. Steve Berardi says

    December 11, 2010 at 2:42 pm

    @Richard – That’s exactly what I meant: that I was shooting “down at a slight angle” towards the flower, so my camera’s sensor was not parallel to the most important plane of the flower.

    Reply

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