The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic DG 12mm F1.4 and the Voigtlander Nokton 25mm F0.95 Type II for their suitability to various photography scenarios:
Size and Weight Comparison
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 DG 12mm F1.4 weighs 335g, which means it is 100g (22%) lighter than the Voigtlander Nokton 25mm F0.95 Type II which has a weight of 435g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Micro Four Thirds Mount for size comparison purposes.
Wideangle Lenses in Micro Four Thirds Mount for Size Comparison
Filter Threads
The Panasonic DG 12mm F1.4 has a filter size of 62mm whereas the Voigtlander Nokton 25mm F0.95 Type II has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Panasonic DG 12mm F1.4:
And these are the 52mm filters that we recommend for the Voigtlander Nokton 25mm F0.95 Type II:
Lens Mounts
Both the Panasonic DG 12mm F1.4 and the Voigtlander Nokton 25mm F0.95 Type II 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
Panasonic DG 12mm F1.4 is a prime lens with fixed focal lenght of 12mm which has an effective (full-frame 35mm equivalent) focal range of
24mm when used on a FourThirds format camera.
On the other hand, the Voigtlander Nokton 25mm F0.95 Type II 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.