The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 25mm F1.4 II ASPH and the Olympus 30mm F3.5 Macro 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 30mm F3.5 Macro is the longer of the two lenses at 60mm. The Panasonic 25mm F1.4 II ASPH with a length of 55mm, is 5mm shorter. On the other hand, the Panasonic 25mm F1.4 II ASPH has a larger diameter of 63mm compared to the Olympus 30mm F3.5 Macro's 57mm 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 30mm F3.5 Macro weighs 128g, 37% (77g) lighter than the Panasonic 25mm F1.4 II ASPH's weight of 205g.
Filter Threads
Both the Panasonic 25mm F1.4 II ASPH and the Olympus 30mm F3.5 Macro 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 Panasonic 25mm F1.4 II ASPH and the Olympus 30mm F3.5 Macro 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
Panasonic 25mm F1.4 II ASPH 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.
On the other hand, the Olympus 30mm F3.5 Macro is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of 60mm when used on a FourThirds format camera.