The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 50mm F1.2 AS UMC CS and the Panasonic Leica DG Elmarit 200mm F2.8 Power 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 DG Elmarit 200mm F2.8 Power OIS is the longer of the two lenses at 174mm. The Samyang 50mm F1.2 AS UMC CS with a length of 74mm, is 100mm shorter. Besides being longer, the Panasonic Leica DG Elmarit 200mm F2.8 Power OIS also has a larger diameter of 88mm compared to the Samyang 50mm F1.2 AS UMC CS 's 68mm diameter.
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Below you can find a scaled side-by-side image of Samyang 50mm F1.2 AS UMC CS and Panasonic Leica DG Elmarit 200mm F2.8 Power OIS to get a better idea of how their sizes compare in real life.
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 50mm F1.2 AS UMC CS weighs 375g, which means it is 870g (69%) lighter than the Panasonic Leica DG Elmarit 200mm F2.8 Power OIS which has a weight of 1245g.
Filter Threads
The Samyang 50mm F1.2 AS UMC CS has a filter size of 62mm whereas the Panasonic Leica DG Elmarit 200mm F2.8 Power OIS has a 77mm 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 50mm F1.2 AS UMC CS :
And these are the 77mm filters that we recommend for the Panasonic Leica DG Elmarit 200mm F2.8 Power OIS:
Lens Mounts
Both the Samyang 50mm F1.2 AS UMC CS and the Panasonic Leica DG Elmarit 200mm F2.8 Power 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-1 II, Panasonic G9 II and OM System OM-5.
Samyang 50mm F1.2 AS UMC CS is also available in Canon EF-M , Fujifilm X and Sony E mounts.
Focal Range
Samyang 50mm F1.2 AS UMC CS is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of
100mm when used on a APS-C / DX format camera.
On the other hand, the Panasonic Leica DG Elmarit 200mm F2.8 Power OIS is a prime lens with fixed focal lenght of 200mm which has an effective (full-frame 35mm equivalent) focal range of 400mm when used on a FourThirds format camera.