The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 180mm f3.5 LD Macro and the Canon 200mm f2L 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 200mm f2L IS USM is the longer of the two lenses at 208mm. The Tamron 180mm f3.5 LD Macro with a length of 166mm, is 42mm shorter. Besides being longer, the Canon 200mm f2L IS USM also has a larger diameter of 128mm compared to the Tamron 180mm f3.5 LD Macro's 85mm 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 180mm f3.5 LD Macro weighs 920g, which means it is 1600g (63%) lighter than the Canon 200mm f2L IS USM which has a weight of 2520g.
Filter Threads
The Tamron 180mm f3.5 LD Macro has a filter size of 72mm whereas the Canon 200mm f2L IS USM has a 52mm 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 Tamron 180mm f3.5 LD Macro:
And these are the 52mm filters that we recommend for the Canon 200mm f2L IS USM:
Lens Mounts
Both the Tamron 180mm f3.5 LD Macro and the Canon 200mm f2L IS 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.
Tamron 180mm f3.5 LD Macro is also available in Nikon F (FX) and Sony Alpha mounts.
Focal Range
Tamron 180mm f3.5 LD Macro is a prime lens with fixed focal lenght of 180mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
288mm.
On the other hand, the Canon 200mm f2L IS USM is a prime lens with fixed focal lenght of 200mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 320mm.