The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM SYSTEM 9-18mm f4.0-5.6 II and the Panasonic 10-25mm F1.7 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 10-25mm F1.7 is the longer of the two lenses at 128mm. The OM SYSTEM 9-18mm f4.0-5.6 II with a length of 49mm, is 79mm shorter. Besides being longer, the Panasonic 10-25mm F1.7 also has a larger diameter of 88mm compared to the OM SYSTEM 9-18mm f4.0-5.6 II's 56mm diameter.
Below you can find a scaled side-by-side image of OM SYSTEM 9-18mm f4.0-5.6 II and Panasonic 10-25mm F1.7 to get a better idea of how their sizes compare in real life.
Comparison image of the OM SYSTEM 9-18mm f4.0-5.6 II and the Panasonic 10-25mm F1.7 Size and Weight 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. OM SYSTEM 9-18mm f4.0-5.6 II weighs 154g, which means it is 536g (77%) lighter than the Panasonic 10-25mm F1.7 which has a weight of 690g.
Below you can find the dimension and weight table of the Wideangle Zoom Lenses in Micro Four Thirds Mount for size comparison purposes.
Ultra-Wideangle Micro Four Thirds Mount
Filter Threads
The OM SYSTEM 9-18mm f4.0-5.6 II has a filter size of 52mm whereas the Panasonic 10-25mm F1.7 has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the OM SYSTEM 9-18mm f4.0-5.6 II:
And these are the 77mm filters that we recommend for the Panasonic 10-25mm F1.7:
Lens Mounts
Both the OM SYSTEM 9-18mm f4.0-5.6 II and the Panasonic 10-25mm F1.7 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-3 Astro , OM System OM-5 II and OM System OM-3 .
Focal Range
OM SYSTEM 9-18mm f4.0-5.6 II has a focal range of 9-18mm and
2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
18-36mm when used on a FourThirds format camera.
On the other hand, the Panasonic 10-25mm F1.7 has a focal range of 10-25mm and 2.5X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 20-50mm when used on a FourThirds format camera.
