When it comes to shooting portraits or landscapes that require large depth of field to capture more detail in the background or foreground elements, a great option is the Canon EF 24-70mm f/2.8L II USM lens. This lens offers excellent depth of field control and its fast aperture allows for greater creative control when shooting in low light settings. With this lens you can easily adjust the focus from near to far with just slight adjustments on your camera's focusing ring, allowing you to create beautiful compositions with more details captured throughout the image. It also features an 11 blade circular diaphragm which helps achieve pleasing bokeh effects and produces smooth out-of-focus areas in photos making them look more professional. All these features make this lens a great choice for photographers who want to take stunning portrait and landscape shots with exceptional depth of field control.