The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus ED 12-45mm F4 Pro and the Panasonic 12-60mm F3.5-5.6 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 12-60mm F3.5-5.6 is the longer of the two lenses at 71mm. The Olympus ED 12-45mm F4 Pro with a length of 70mm, is 1mm shorter. Besides being longer, the Panasonic 12-60mm F3.5-5.6 also has a larger diameter of 66mm compared to the Olympus ED 12-45mm F4 Pro's 63mm 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 12-60mm F3.5-5.6 weighs 210g, 17% (44g) lighter than the Olympus ED 12-45mm F4 Pro's weight of 254g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Micro Four Thirds Mount for size comparison purposes.
Standard Lenses in Micro Four Thirds Mount for Size Comparison
Filter Threads
Both the Olympus ED 12-45mm F4 Pro and the Panasonic 12-60mm F3.5-5.6 have the same Filter thread size of 58mm.
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Olympus ED 12-45mm F4 Pro and the Panasonic 12-60mm F3.5-5.6 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
Olympus ED 12-45mm F4 Pro has a focal range of 12-45mm and
3.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
24-90mm when used on a FourThirds format camera.
On the other hand, the Panasonic 12-60mm F3.5-5.6 has a focal range of 12-60mm and 5.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-120mm when used on a FourThirds format camera.