The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 35mm F1.2 and the Panasonic Leica 42.5mm F1.2 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 Leica 42.5mm F1.2 OIS is the longer of the two lenses at 77mm. The Samyang 35mm F1.2 with a length of 74mm, is 3mm shorter. Besides being longer, the Panasonic Leica 42.5mm F1.2 OIS also has a larger diameter of 74mm compared to the Samyang 35mm F1.2's 68mm 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. Samyang 35mm F1.2 weighs 420g, which means it is 5g (1%) lighter than the Panasonic Leica 42.5mm F1.2 OIS which has a weight of 425g.
Filter Threads
The Samyang 35mm F1.2 has a filter size of 62mm whereas the Panasonic Leica 42.5mm F1.2 OIS has a 67mm 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 Samyang 35mm F1.2:
And these are the 67mm filters that we recommend for the Panasonic Leica 42.5mm F1.2 OIS:
Lens Mounts
Both the Samyang 35mm F1.2 and the Panasonic Leica 42.5mm F1.2 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 , and .
Samyang 35mm F1.2 is also available in Canon EF-M , Fujifilm X and Sony E mounts.
Focal Range
Samyang 35mm F1.2 is a prime lens with fixed focal lenght of 35mm which has an effective (full-frame 35mm equivalent) focal range of
52.5mm when used on a APS-C / DX format camera.
On the other hand, the Panasonic Leica 42.5mm F1.2 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.