The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 90mm F2.8 Di III and the Venus 100mm F2.8 2X Ultra 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. Tamron 90mm F2.8 Di III is the longer of the two lenses at 126mm. The Venus 100mm F2.8 2X Ultra Macro with a length of 125mm, is 1mm shorter. Besides being longer, the Tamron 90mm F2.8 Di III also has a larger diameter of 79mm compared to the Venus 100mm F2.8 2X Ultra Macro's 72mm diameter.
Below you can find a scaled side-by-side image of Tamron 90mm F2.8 Di III and Venus 100mm F2.8 2X Ultra Macro to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 90mm F2.8 Di III and the Venus 100mm F2.8 2X Ultra Macro 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. Tamron 90mm F2.8 Di III weighs 630g, which means it is 8g (1%) lighter than the Venus 100mm F2.8 2X Ultra Macro which has a weight of 638g.
Below you can find the dimension and weight table of the Macro Prime Lenses in Sony E Mount for size comparison purposes.
Macro Sony E Mount
Filter Threads
Both the Tamron 90mm F2.8 Di III and the Venus 100mm F2.8 2X Ultra Macro have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Tamron 90mm F2.8 Di III and the Venus 100mm F2.8 2X Ultra Macro 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 .
Canon EF , Nikon F (FX) and Pentax KAF2 mounts.
Focal Range
Tamron 90mm F2.8 Di III 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 .
On the other hand, the Venus 100mm F2.8 2X Ultra Macro is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 150mm .
