The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 135mm F2.0 ED UMC 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 135mm F2.0 ED UMC with a length of 122mm, is 52mm 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 135mm F2.0 ED UMC's 82mm diameter.
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Below you can find a scaled side-by-side image of Samyang 135mm F2.0 ED UMC 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 135mm F2.0 ED UMC weighs 830g, which means it is 415g (33%) lighter than the Panasonic Leica DG Elmarit 200mm F2.8 Power OIS which has a weight of 1245g.
Filter Threads
Both the Samyang 135mm F2.0 ED UMC and the Panasonic Leica DG Elmarit 200mm F2.8 Power OIS have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Samyang 135mm F2.0 ED UMC 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 135mm F2.0 ED UMC is also available in Canon EF , Canon EF-M, Four Thirds, Fujifilm X, Nikon F (FX), Pentax KAF, Samsung NX, Sony Alpha and Sony E mounts.
Focal Range
Samyang 135mm F2.0 ED UMC is a prime lens with fixed focal lenght of 135mm. When it is mounted on an APS-C sensor camera with 2.0x crop, it provides a 35mm (FF) equivalent of
270mm.
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.