The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 100mm F2.8 Macro and the Venus 25mm F2.8 2.5-5X 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. Samyang 100mm F2.8 Macro is the longer of the two lenses at 123mm. The Venus 25mm F2.8 2.5-5X Ultra Macro with a length of 65mm, is 58mm shorter. On the other hand, the Venus 25mm F2.8 2.5-5X Ultra Macro has a larger diameter of 82mm compared to the Samyang 100mm F2.8 Macro's 73mm diameter.
Below you can find a scaled side-by-side image of Samyang 100mm F2.8 Macro and Venus 25mm F2.8 2.5-5X Ultra Macro to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang 100mm F2.8 Macro and the Venus 25mm F2.8 2.5-5X 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. Venus 25mm F2.8 2.5-5X Ultra Macro weighs 400g, 44% (320g) lighter than the Samyang 100mm F2.8 Macro's weight of 720g.
Below you can find the dimension and weight table of the Telephoto Macro Lenses in Sony E Mount for size comparison purposes.
Macro Sony E Mount
Lens Mounts
Both the Samyang 100mm F2.8 Macro and the Venus 25mm F2.8 2.5-5X 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 , Fujifilm X , Micro Four Thirds , Nikon F (FX) , Pentax KAF , Samsung NX and Sony Alpha mounts.
Canon EF , Nikon F (DX) and Pentax KAF2 mounts.
Focal Range
Samyang 100mm F2.8 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 .
On the other hand, the Venus 25mm F2.8 2.5-5X Ultra Macro is a prime lens with fixed focal lenght of 25mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 37.5mm .
