The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus M 25mm F1.8 and the Panasonic 25mm F1.4 II ASPH 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 25mm F1.4 II ASPH is the longer of the two lenses at 55mm. The Olympus M 25mm F1.8 with a length of 41mm, is 14mm shorter. Besides being longer, the Panasonic 25mm F1.4 II ASPH also has a larger diameter of 63mm compared to the Olympus M 25mm F1.8's 56mm 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. Olympus M 25mm F1.8 weighs 136g, which means it is 69g (33%) lighter than the Panasonic 25mm F1.4 II ASPH which has a weight of 205g.
Filter Threads
Both the Olympus M 25mm F1.8 and the Panasonic 25mm F1.4 II ASPH 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 Olympus M 25mm F1.8 and the Panasonic 25mm F1.4 II ASPH 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-1 II, Panasonic G9 II and OM System OM-5.
Focal Range
Both lenses have the same focal range of
25mm but while Olympus M 25mm F1.8 has the fastest aperture of
F1.8, the Panasonic 25mm F1.4 II ASPH's widest aperture value is
F1.4.