The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 100mm F2.8 2X Ultra Macro and the Venus 10-18mm F4.5-5.6 FE Zoom 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. Venus 100mm F2.8 2X Ultra Macro is the longer of the two lenses at 125mm. The Venus 10-18mm F4.5-5.6 FE Zoom with a length of 91mm, is 34mm shorter. Besides being longer, the Venus 100mm F2.8 2X Ultra Macro also has a larger diameter of 72mm compared to the Venus 10-18mm F4.5-5.6 FE Zoom's 61mm diameter.
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Below you can find a scaled side-by-side image of Venus 100mm F2.8 2X Ultra Macro and Venus 10-18mm F4.5-5.6 FE Zoom to get a better idea of how their sizes compare in real life.
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 10-18mm F4.5-5.6 FE Zoom weighs 496g, 22% (142g) lighter than the Venus 100mm F2.8 2X Ultra Macro's weight of 638g.
Filter Threads
The Venus 100mm F2.8 2X Ultra Macro has a filter size of 67mm whereas the Venus 10-18mm F4.5-5.6 FE Zoom has a 37mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Venus 100mm F2.8 2X Ultra Macro:
And these are the 37mm filters that we recommend for the Venus 10-18mm F4.5-5.6 FE Zoom:
Lens Mounts
The Venus 100mm F2.8 2X Ultra Macro has the Canon EF lens mount whereas the Venus 10-18mm F4.5-5.6 FE Zoom has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Canon 1D X III, Canon 6D MII and Canon 5D MIV for the Canon EF Mount and Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount.
Venus 100mm F2.8 2X Ultra Macro is also available in Nikon F (FX) , Pentax KAF2 and Sony E mounts.
Focal Range
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 1.6x crop, it provides a 35mm (FF) equivalent of
160mm.
On the other hand, the Venus 10-18mm F4.5-5.6 FE Zoom has a focal range of 10-18mm and 1.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 15 - 27mm.