
Canon. 24-105 heaven and earth, mm focal length), Different pros: Constant aperture, constructive, bokeh (at some focal lengths) (see, for example, page=0), fast autofocus. Some cons: Aperture is sometimes not enough, you have to use a tripod or flash.

Nikon 35mm f/1.8G Auto Focus Lens for Nikon DSLR Cameras - Black (Model 2183)
125 Review

Canon EF 50mm f/1.8 II Fixed Lens - Discontinued by Manufacturer
93 Review

New Nikon 18-105mm Vibration Reduction 📷 Zoom Lens with Auto Focus for Nikon DSLRs
104 Review

Canon EF 40mm f/2.8 STM Lens - Fixed Black (6310B002) for US Cameras
76 Review