The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 24-105mm F4L IS II and the Canon 28-90mm f4.0-5.6 II for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Canon 24-105mm F4L IS II is the longer of the two lenses at 118mm. The Canon 28-90mm f4.0-5.6 II with a length of 71mm is 47mm shorter. Besides being longer, the Canon 24-105mm F4L IS II also has a larger diameter of 84mm compared to Canon 28-90mm f4.0-5.6 II's 67mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Canon 28-90mm f4.0-5.6 II weighs 180g, 77% (615g) lighter than the Canon 24-105mm F4L IS II's weight of 795g.
Below you can find the dimension and weight table of the 'Standard Zoom Lenses in Canon EF Mount for size comparison purposes.
Standard Zoom Lenses in Canon EF Mount for Size Comparison
Both Canon 24-105mm F4L IS II and Canon 28-90mm f4.0-5.6 II has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Canon 24-105mm F4L IS II has a focal range of 24-105mm and 4.4X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 38.4 - 168mm.
Canon 28-90mm f4.0-5.6 II has a focal range of 28-90mm and 3.2X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 44.8 - 144mm.