The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus 30mm F3.5 Macro and the Panasonic Lumix G 25mm F1.7 ASPH 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 Lumix G 25mm F1.7 ASPH with a length of 52mm is 8mm shorter. On the other hand, the Panasonic Lumix G 25mm F1.7 ASPH has a larger diameter of 61mm 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. Panasonic Lumix G 25mm F1.7 ASPH weighs 125g, 2% (3g) lighter than the Olympus 30mm F3.5 Macro's weight of 128g.
Lens Mounts
Both Olympus 30mm F3.5 Macro and Panasonic Lumix G 25mm F1.7 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-5, Panasonic GH6 and OM System OM-1.
Focal Range
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. Panasonic Lumix G 25mm F1.7 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.