I did a lot of research on DOF but am still baffled. I think they named it circle of confusion after reading some of my posts. I have a Canon 5d MK III and just purchased a 24-70 II 2.8. I had been using a 70-200 II. I normally shoot portraits. Heres the problem. The grand kids were over Easter and I took a bunch of pictures with the new lens. In all my pictures when one of the granddaughters was a foot behind the other, the one in front was tack sharp and the the one a foot back was blurry. I was shooting at 50mm, f8, 200 ISO 125. I was standing around 6 feet away. So I bumped to f11. No better. I went to 24mm, F11, 125 and the person in the back was much better but not great. Do I always have to shoot F11 when people are not at the same focal plane and I am in a close proximity? Thanks.
24-70 II 2.8 DOF issues
- Thread starter vinniec
- Start date
They can be in the same plane.
The wider you go the easier it is to gain depth of field.
I prefer the 24-35mm range if I am trying to get multiple people in the picture.
At 24mm you shouldn't have had a problem because of the greater DOF. You could have easily went to ISO 400 and had twice the shutter speed. Maybe you had some camera shake or blur.
My best suggestion is go to the link I copied.
Enter different focal lengths and distances and see what come up with.
http://www.dofmaster.com/dofjs.html
The wider you go the easier it is to gain depth of field.
I prefer the 24-35mm range if I am trying to get multiple people in the picture.
At 24mm you shouldn't have had a problem because of the greater DOF. You could have easily went to ISO 400 and had twice the shutter speed. Maybe you had some camera shake or blur.
My best suggestion is go to the link I copied.
Enter different focal lengths and distances and see what come up with.
http://www.dofmaster.com/dofjs.html
Upvote
0
