The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 135mm f1.8 FE and the Tamron 90mm F2.8 VC Macro 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. Viltrox 135mm f1.8 FE is the longer of the two lenses at 146mm. The Tamron 90mm F2.8 VC Macro with a length of 117mm, is 29mm shorter. Besides being longer, the Viltrox 135mm f1.8 FE also has a larger diameter of 93mm compared to the Tamron 90mm F2.8 VC Macro's 79mm 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 90mm F2.8 VC Macro weighs 609g, 50% (626g) lighter than the Viltrox 135mm f1.8 FE's weight of 1235g.
Filter Threads
The Viltrox 135mm f1.8 FE has a filter size of 82mm whereas the Tamron 90mm F2.8 VC Macro 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 82mm filters that we recommend you to consider for the Viltrox 135mm f1.8 FE:
And these are the 62mm filters that we recommend for the Tamron 90mm F2.8 VC Macro:
Lens Mounts
The Viltrox 135mm f1.8 FE has the Sony E lens mount whereas the Tamron 90mm F2.8 VC Macro has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Tamron 90mm F2.8 VC Macro is also available in Nikon F (FX) and Canon EF mounts.
Focal Range
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.
On the other hand, the Tamron 90mm F2.8 VC Macro is a prime lens with fixed focal lenght of 90mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 135mm.
