The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 70-300mm f4.5-5.6 DO IS USM and the Canon EF 70-300 F4-5.6 IS II 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 EF 70-300 F4-5.6 IS II USM is the longer of the two lenses at 146mm. The Canon 70-300mm f4.5-5.6 DO IS USM with a length of 100mm, is 46mm shorter. On the other hand, the Canon 70-300mm f4.5-5.6 DO IS USM has a larger diameter of 82mm compared to the Canon EF 70-300 F4-5.6 IS II USM's 80mm 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 EF 70-300 F4-5.6 IS II USM weighs 710g, 1% (10g) lighter than the Canon 70-300mm f4.5-5.6 DO IS USM's weight of 720g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Canon EF Mount for size comparison purposes.
Telephoto Lenses in Canon EF Mount for Size Comparison
Filter Threads
The Canon 70-300mm f4.5-5.6 DO IS USM has a filter size of 58mm whereas the Canon EF 70-300 F4-5.6 IS II USM has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Canon 70-300mm f4.5-5.6 DO IS USM:
And these are the 67mm filters that we recommend for the Canon EF 70-300 F4-5.6 IS II USM:
Lens Mounts
Both the Canon 70-300mm f4.5-5.6 DO IS USM and the Canon EF 70-300 F4-5.6 IS II USM 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.
Focal Range
Both lenses have the same focal range of
70-300mm but while Canon 70-300mm f4.5-5.6 DO IS USM has the fastest aperture of
F4.5 - F5.6, the Canon EF 70-300 F4-5.6 IS II USM's widest aperture value is
F4-5.6.