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DOF vs Wide Angle
If I’m not mistaken, Iwill get a wider deep of field with the 3x canon XL1 wide angle lens than with the 16X standard. I’d like to know if this will also hapen if I add a wide angle to my actual 16X lens (will I get a larger DOF?)
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6 Replies
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yes.
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It’s Greater depth of field not wider. Check out https://www.luminous-landscape.com/tutorials/dof2.shtml.
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Its an interesting artcle.
But in PRACTICAL terms (especially in video) we are usually discussing more of a MACRO focus, where “everything in the shot” starting a few inches away from the lens… out to the moon on the horizon, at least APPEARS to be in focus in the shot (commonly called “greater depth of field”).
This is the case with using a wide lens, either the lens ITSELF, or a WA adapter.
Using the term “wider” (to mean “greater”) DOF is OK by me, in contrast to “narrower” (or “smaller”) DOF.
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Yes. I agree on both points. I just thought it was an interesting article. In truth, almost everything in most video shots are in focus enough to potentially be distracting, which to me is the real issue.
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[eyecamiam] “In truth, almost everything in most video shots are in focus enough to potentially be distracting, which to me is the real issue.”
Yes. I drives me crazy that the tiny CCD’s used in lower-cost camcorders look very good… but trying to achieve a DIFFERENCE between foreground and background focus is nealy IMPOSSIBLE.
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The other day, I was shooting with an XL2 in an auditorium. It was a poetry performance piece. It was a last second request. I did not attend any rehearsal or get a chance to test my mic levels or pre-white balance. It was lit for stage not video and it was too dark for the XL2. The Cam had trouble white balancing. I zoomed in on a white card (I had discreetly placed on stage) when the stage lights came up. And it blinked forever. I opened up the aperture as much as possible. The background was more or less in the dark so that was not an issue. The camera was having trouble with auto focus as well, so I switched to manual. Very quickly I learned that as distracting as a wide/great depth of field is, keeping your subject in focus manually without rehearsal is not always easy, particularly with the small viewfinder screen flipped up that the XL2 gives you. I wear glasses so flipping the viewfinder back down is a little awkward though I got my best shots hunched over the viewfinder with my hands on the focus and zoom rings for slight adjustments. It was tiring. Still, when the subject was in focus and tight, and I finally got the camera to white balance, the shots were very nice, though stagnant. The performance utilized projected slides to either side of the solo performers. At some point, I
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