The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon EF 70-200 F4L IS II USM and the Canon 135mm f2.0L 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 70-200 F4L IS II USM is the longer of the two lenses at 176mm. The Canon 135mm f2.0L USM with a length of 112mm, is 64mm shorter. On the other hand, the Canon 135mm f2.0L USM has a larger diameter of 83mm compared to the Canon EF 70-200 F4L 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 135mm f2.0L USM weighs 750g, 3% (30g) lighter than the Canon EF 70-200 F4L IS II USM's weight of 780g.
Filter Threads
Both the Canon EF 70-200 F4L IS II USM and the Canon 135mm f2.0L USM have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Canon EF 70-200 F4L IS II USM and the Canon 135mm f2.0L 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
Canon EF 70-200 F4L IS II USM has a focal range of 70-200mm and
2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
112 - 320mm.
On the other hand, the Canon 135mm f2.0L USM is a prime lens with fixed focal lenght of 135mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 216mm.