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 Voigtlander Nokton 25mm F0.95 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. Voigtlander Nokton 25mm F0.95 is the longer of the two lenses at 70mm. The Olympus 30mm F3.5 Macro with a length of 60mm, is 10mm shorter. Besides being longer, the Voigtlander Nokton 25mm F0.95 also has a larger diameter of 58mm compared to the Olympus 30mm F3.5 Macro's 57mm 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. Olympus 30mm F3.5 Macro weighs 128g, which means it is 282g (68%) lighter than the Voigtlander Nokton 25mm F0.95 which has a weight of 410g.
Filter Threads
The Olympus 30mm F3.5 Macro has a filter size of 46mm whereas the Voigtlander Nokton 25mm F0.95 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 46mm filters that we recommend you to consider for the Olympus 30mm F3.5 Macro:
And these are the 52mm filters that we recommend for the Voigtlander Nokton 25mm F0.95:
Lens Mounts
Both the Olympus 30mm F3.5 Macro and the Voigtlander Nokton 25mm F0.95 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 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.
On the other hand, the Voigtlander Nokton 25mm F0.95 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.