The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 200mm F2 DG and the Viltrox 135mm f1.8 FE 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. Sigma 200mm F2 DG is the longer of the two lenses at 201mm. The Viltrox 135mm f1.8 FE with a length of 146mm, is 55mm shorter. Besides being longer, the Sigma 200mm F2 DG also has a larger diameter of 119mm compared to the Viltrox 135mm f1.8 FE's 93mm diameter.
Below you can find a scaled side-by-side image of Sigma 200mm F2 DG and Viltrox 135mm f1.8 FE to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 200mm F2 DG and the Viltrox 135mm f1.8 FE Size and Weight 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. Viltrox 135mm f1.8 FE weighs 1235g, 31% (565g) lighter than the Sigma 200mm F2 DG's weight of 1800g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Sony E Mount for size comparison purposes.
Telephoto Sony E Mount
Filter Threads
The Sigma 200mm F2 DG has a filter size of 105mm whereas the Viltrox 135mm f1.8 FE has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 105mm filters that we recommend you to consider for the Sigma 200mm F2 DG:
And these are the 82mm filters that we recommend for the Viltrox 135mm f1.8 FE:
Lens Mounts
Both the Sigma 200mm F2 DG and the Viltrox 135mm f1.8 FE has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Focal Range
Sigma 200mm F2 DG is a prime lens with fixed focal lenght of 200mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
300mm .
On the other hand, the Viltrox 135mm f1.8 FE is a prime lens with fixed focal lenght of 135mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 202.5mm .
