The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 70-300mm f4-5.6L IS USM and the Canon 28-300mm f3.5-5.6L IS USM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Canon 28-300mm f3.5-5.6L IS USM is the longer of the two lenses at 184mm. The Canon 70-300mm f4-5.6L IS USM with a length of 143mm, is 41mm shorter. Besides being longer, the Canon 28-300mm f3.5-5.6L IS USM also has a larger diameter of 92mm compared to the Canon 70-300mm f4-5.6L IS USM's 89mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Canon 70-300mm f4-5.6L IS USM weighs 1050g, which means it is 620g (37%) lighter than the Canon 28-300mm f3.5-5.6L IS USM which has a weight of 1670g.
Filter Threads
The Canon 70-300mm f4-5.6L IS USM has a filter size of 67mm whereas the Canon 28-300mm f3.5-5.6L IS USM has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Canon 70-300mm f4-5.6L IS USM:
And these are the 77mm filters that we recommend for the Canon 28-300mm f3.5-5.6L IS USM:
Lens Mounts
Both the Canon 70-300mm f4-5.6L IS USM and the Canon 28-300mm f3.5-5.6L IS USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Focal Range
Canon 70-300mm f4-5.6L IS USM has a focal range of 70-300mm and
4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
112 - 480mm.
On the other hand, the Canon 28-300mm f3.5-5.6L IS USM has a focal range of 28-300mm and 10.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 44.8 - 480mm.
