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 Olympus 17mm F1.2 Pro 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. Olympus 17mm F1.2 Pro is the longer of the two lenses at 87mm. The Venus 15mm f4.5 with a length of 48mm, is 39mm shorter. On the other hand, the Venus 15mm f4.5 has a larger diameter of 70mm compared to the Olympus 17mm F1.2 Pro's 68mm 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 82g (21%) lighter than the Olympus 17mm F1.2 Pro which has a weight of 390g.
Filter Threads
Both the Venus 15mm f4.5 and the Olympus 17mm F1.2 Pro have the same Filter thread size of 62mm.
Below are links to the 62mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Venus 15mm f4.5 has the Sony E lens mount whereas the Olympus 17mm F1.2 Pro has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
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 Olympus 17mm F1.2 Pro is a prime lens with fixed focal lenght of 17mm which has an effective (full-frame 35mm equivalent) focal range of 34mm when used on a FourThirds format camera.