When it's small the depth of field is shallow or narrow. Focus distance The focus or focusing distance is the distance between the lens and the subject. You'll need to change the focusing distance ...
The standard formula for controlling depth of field is to control the f-stop of the lens. And that is true enough. A wide-open aperture results in a shallow range of focus, and a small aperture ...
It offers some manual control over focus and exposure and is capable of shallow depth of field at maximum zoom range ... It has an APS-C size sensor. Lens options: 18-135mm f/3.5-5.6; 17-50mm f/2.8; ...
The TTArtisan 75mm F1.25 lens brings striking swirly bokeh and sharp optics for creative portrait photography enthusiasts.
With a variable aperture lens, users can adjust the depth-of-field in a picture, such as isolating a subject from its background with more shallow bokeh. You could also use a medium depth-of-field ...