The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 4mm F2.8 FMFT and the Venus 17mm F4 Zero-D GFX 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 17mm F4 Zero-D GFX is the longer of the two lenses at 125mm. The Venus 4mm F2.8 FMFT with a length of 26mm, is 99mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 61mm.
Below you can find a scaled side-by-side image of Venus 4mm F2.8 FMFT and Venus 17mm F4 Zero-D GFX to get a better idea of how their sizes compare in real life.
Comparison image of the Venus 4mm F2.8 FMFT and the Venus 17mm F4 Zero-D GFX 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 4mm F2.8 FMFT weighs 135g, which means it is 694g (83%) lighter than the Venus 17mm F4 Zero-D GFX which has a weight of 829g.
Lens Mounts
The Venus 4mm F2.8 FMFT has the Micro Four Thirds lens mount whereas the Venus 17mm F4 Zero-D GFX has the Fujifilm G lens mount . Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Fujifilm GFX Eterna 55 , Fujifilm GFX 100S II and Fujifilm GFX 100 II for the Fujifilm G Mount.
Focal Range
Venus 4mm F2.8 FMFT is a prime lens with fixed focal lenght of 4mm which has an effective (full-frame 35mm equivalent) focal range of
8mm when used on a FourThirds format camera.
On the other hand, the Venus 17mm F4 Zero-D GFX is a prime lens with fixed focal lenght of 17mm.
