The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 35-350mm f3.5-5.6L USM and the Tamron AF 28-300mm f3.5-6.3 XR LD 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 35-350mm f3.5-5.6L USM is the longer of the two lenses at 167mm. The Tamron AF 28-300mm f3.5-6.3 XR LD with a length of 84mm, is 83mm shorter. Besides being longer, the Canon 35-350mm f3.5-5.6L USM also has a larger diameter of 85mm compared to the Tamron AF 28-300mm f3.5-6.3 XR LD's 73mm 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. Tamron AF 28-300mm f3.5-6.3 XR LD weighs 420g, 69% (965g) lighter than the Canon 35-350mm f3.5-5.6L USM's weight of 1385g.
Filter Threads
The Canon 35-350mm f3.5-5.6L USM has a filter size of 72mm whereas the Tamron AF 28-300mm f3.5-6.3 XR LD has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Canon 35-350mm f3.5-5.6L USM:
And these are the 62mm filters that we recommend for the Tamron AF 28-300mm f3.5-6.3 XR LD:
Lens Mounts
Both the Canon 35-350mm f3.5-5.6L USM and the Tamron AF 28-300mm f3.5-6.3 XR LD 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.
Tamron AF 28-300mm f3.5-6.3 XR LD is also available in Nikon F (FX) , Sony Alpha and Pentax KAF mounts.
Focal Range
Canon 35-350mm f3.5-5.6L USM has a focal range of 35-350mm and
10.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
56 - 560mm.
On the other hand, the Tamron AF 28-300mm f3.5-6.3 XR LD 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.