The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic G 25mm F1.7 and the Panasonic 42.5mm F1.7 OIS 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 G 25mm F1.7 is the longer of the two lenses at 52mm. The Panasonic 42.5mm F1.7 OIS with a length of 50mm, is 2mm shorter. Besides being longer, the Panasonic G 25mm F1.7 also has a larger diameter of 61mm compared to the Panasonic 42.5mm F1.7 OIS's 55mm diameter.
Below you can find a scaled side-by-side image of Panasonic G 25mm F1.7 and Panasonic 42.5mm F1.7 OIS to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic G 25mm F1.7 and the Panasonic 42.5mm F1.7 OIS 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. Panasonic G 25mm F1.7 weighs 125g, which means it is 5g (3%) lighter than the Panasonic 42.5mm F1.7 OIS which has a weight of 130g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Micro Four Thirds Mount for size comparison purposes.
Standard Micro Four Thirds Mount
Filter Threads
The Panasonic G 25mm F1.7 has a filter size of 46mm whereas the Panasonic 42.5mm F1.7 OIS has a 37mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 46mm filters that we recommend you to consider for the Panasonic G 25mm F1.7:
And these are the 37mm filters that we recommend for the Panasonic 42.5mm F1.7 OIS:
Lens Mounts
Both the Panasonic G 25mm F1.7 and the Panasonic 42.5mm F1.7 OIS 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
Panasonic G 25mm F1.7 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 Panasonic 42.5mm F1.7 OIS is a prime lens with fixed focal lenght of 43mm which has an effective (full-frame 35mm equivalent) focal range of 86mm when used on a FourThirds format camera.
