The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 15mm f4.5 and the Fujinon MK 18-55mm T2.9 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. Fujinon MK 18-55mm T2.9 is the longer of the two lenses at 206mm. The Venus 15mm f4.5 with a length of 48mm, is 158mm shorter. Besides being longer, the Fujinon MK 18-55mm T2.9 also has a larger diameter of 85mm compared to the Venus 15mm f4.5's 70mm 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. Venus 15mm f4.5 weighs 308g, which means it is 672g (68%) lighter than the Fujinon MK 18-55mm T2.9 which has a weight of 980g.
Filter Threads
The Venus 15mm f4.5 has a filter size of 62mm whereas the Fujinon MK 18-55mm T2.9 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 62mm filters that we recommend you to consider for the Venus 15mm f4.5:
And these are the 82mm filters that we recommend for the Fujinon MK 18-55mm T2.9:
Lens Mounts
Both the Venus 15mm f4.5 and the Fujinon MK 18-55mm T2.9 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.
Venus 15mm f4.5 is also available in the Nikon Z , Canon RF and Leica L mounts.
Focal Range
Venus 15mm f4.5 is a prime lens with fixed focal lenght of 15mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
22.5mm.
On the other hand, the Fujinon MK 18-55mm T2.9 has a focal range of 18-55mm and 3.1X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 27 - 82.5mm.