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Message: <blockquote data-quote="BF Hammer" data-source="post: 781921" data-attributes="member: 48483">There are so many variables that work into this equation.For starters, the size of the sensor in your particular camera affects depth of field greatly. The smaller the sensor generally, the larger your DOF can be. Check what you can achieve with a cellphone camera or even an old compact pocket size camera from 10 years ago. If this is the sort of camera you are accustomed to, picking up a camera with a larger sensor can be a learning experience just for that. Then you factor in the aperture (f-stop). Here a smaller aperture opening (which is actually a bigger number in f-stop) increases the depth of field. Taken to the extreme, a pinhole camera uses the tiniest of holes possible and does not need an actual glass lens to focus because that tiny aperture gives near infinite focus. But it takes a long time to expose a photo that way.It has been mentioned, but there is a way to address this problem with software. If you can use a tripod to keep camera still and not moving between shots, and nothing moves in the room, you can take a series of photos all with the same exposure settings and manually adjusting the focus point at regular distance from front to rear in the room. Then software or a filter in Photoshop can perform a "focus stack" (I think sometimes called a depth-merge) by combining the focused parts of each photo into a single image. I wish I could guide beyond that but I have not really needed to try doing that yet.</blockquote>

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