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
Size of a lens is an important deciding factor 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 Olympus 30mm F3.5 Macro's 57mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Olympus 30mm F3.5 Macro weighs 128g, 37% (77g) lighter than the Panasonic 25mm F1.4 II ASPH's weight of 205g.
Lens Mounts
Both Panasonic 25mm F1.4 II ASPH and 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-5, Panasonic GH6 and OM System OM-1.
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. 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.