The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 50-200mm F2.8-4.0 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 50-200mm F2.8-4.0 is the longer of the two lenses at 132mm. The Panasonic Leica 42.5mm F1.2 OIS with a length of 77mm, is 55mm shorter. Besides being longer, the Panasonic 50-200mm F2.8-4.0 also has a larger diameter of 76mm compared to the Panasonic Leica 42.5mm F1.2 OIS's 74mm 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. Panasonic Leica 42.5mm F1.2 OIS weighs 425g, 35% (230g) lighter than the Panasonic 50-200mm F2.8-4.0's weight of 655g.
Filter Threads
Both the Panasonic 50-200mm F2.8-4.0 and the Panasonic Leica 42.5mm F1.2 OIS have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Panasonic 50-200mm F2.8-4.0 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 OM System OM-3 Astro, OM System OM-5 II and OM System OM-3.
Focal Range
Panasonic 50-200mm F2.8-4.0 has a focal range of 50-200mm and
4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
100-400mm when used on a FourThirds 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.
