I just received my new Canon 100mm USM autofocus macro lens. I took a bunch of pictures outdoors, but I'm getting really crazy shallow depth of field with the pictures that's making it really hard to see the object in the picture. See samples below. Is this how all macro lenses are, and I just have to get better with it? Also, I'm finding that autofocus has its limitations, and I can zoom in more with manual focus. Is this also a limitation? Anyway to fix the DOF problem? I was on manual focus most of the time-could this just be a focus issue?
Also, I'm using a Canon Rebel T3 on mostly automatic everything mode. Can DOF be controlled?
Answer
Depth of field decreases rapidly as you focus closer, what you're experiencing is common to all macro lenses. It can only be remedied by stopping the aperture right down, or by using focus stacking.
Autofocus is also commonly unreliable with macro photography the best approach is often to set the lens to its minimum focus distance and then move the camera back and forth to achieve focus.
If you're attempting handheld macro shots in daylight (which is quite doable) I would set the lens to manual focus and the camera to aperture priority at f/11, and then set the ISO in order to get a reasonable shutter speed of at least 1/200s. Finally, don't give up - macro photography is hard and there are far too many people on the net making it look easy!
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