The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 17mm F1.8 and the Panasonic G 25mm F1.7 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. Panasonic G 25mm F1.7 is the longer of the two lenses at 52mm. The Venus 17mm F1.8 with a length of 51mm, is 1mm shorter. Besides being longer, the Panasonic G 25mm F1.7 also has a larger diameter of 61mm compared to the Venus 17mm F1.8's 55mm 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. Panasonic G 25mm F1.7 weighs 125g, 27% (47g) lighter than the Venus 17mm F1.8's weight of 172g.
Filter Threads
Both the Venus 17mm F1.8 and the Panasonic G 25mm F1.7 have the same Filter thread size of 46mm.
Below are links to the 46mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Venus 17mm F1.8 and the Panasonic G 25mm F1.7 has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-3 Astro, OM System OM-5 II and OM System OM-3.
Focal Range
Venus 17mm F1.8 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.
On the other hand, the Panasonic G 25mm F1.7 is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of 50mm when used on a FourThirds format camera.
