The Canon EF 24-105 mm F3.5-5.6 IS STM is a standard lens that cannot be missing in the kit of a photographer. The versatility of this kind of lenses makes them irreplaceable for the creation of photos in all circumstances of light, managing to bring out the best from any image. The series of lenses with this focal length is varied and each of them has characteristics that significantly change their cost and consequently the quality of the images. The Canon EF 24-105 mm lens F3.5-5.6 IS STM is compatible with both FF and APSC cameras, very appreciated quality especially if you have various machine bodies, the focus is automatic and takes place via AF motor (steppe) in able to be fast and quite silent. The diaphragm has a maximum opening of 3.5, not very optimal in low light condition, so it would be right to have other lenses as an alternative. The images taken are clear and with a satisfactory depth of the field, the general brightness could leave a little to be desired but if you consider the value for money, it can be said that this complaint pays well the expense made by giving excellent images capable of be worked adequately. The Canon EF 24-105 mm F3.5-5.6 IS STM can adapt well to many circumstances and who wish to obtain good professional images.