The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Kamlan 50mm F1.1 II and the Panasonic 12-35mm F2.8 OIS 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 12-35mm F2.8 OIS weighs 305g, 49% (295g) lighter than the Kamlan 50mm F1.1 II's weight of 600g.
Filter Threads
The Kamlan 50mm F1.1 II has a filter size of 62mm whereas the Panasonic 12-35mm F2.8 OIS has a 58mm 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 Kamlan 50mm F1.1 II:
And these are the 58mm filters that we recommend for the Panasonic 12-35mm F2.8 OIS:
Lens Mounts
Both the Kamlan 50mm F1.1 II and the Panasonic 12-35mm F2.8 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 .
Kamlan 50mm F1.1 II is also available in the Canon EF-M , Fujifilm X and Sony E mounts.
Focal Range
Kamlan 50mm F1.1 II is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of
75mm when used on a APS-C / DX format camera.
On the other hand, the Panasonic 12-35mm F2.8 OIS has a focal range of 12-35mm and 2.9X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-70mm when used on a FourThirds format camera.