The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 35mm F1.4 DG HSM and the Samsung 18-200mm F3.5-6.3 ED 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. Samsung 18-200mm F3.5-6.3 ED OIS is the longer of the two lenses at 106mm. The Sigma 35mm F1.4 DG HSM with a length of 94mm, is 12mm shorter. On the other hand, the Sigma 35mm F1.4 DG HSM has a larger diameter of 77mm compared to the Samsung 18-200mm F3.5-6.3 ED OIS's 72mm 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. Samsung 18-200mm F3.5-6.3 ED OIS weighs 549g, 17% (116g) lighter than the Sigma 35mm F1.4 DG HSM's weight of 665g.
Filter Threads
Both the Sigma 35mm F1.4 DG HSM and the Samsung 18-200mm F3.5-6.3 ED 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
The Sigma 35mm F1.4 DG HSM has the Sony Alpha lens mount whereas the Samsung 18-200mm F3.5-6.3 ED OIS has the Samsung NX lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount and Samsung NX1, Samsung NX3000 and Samsung NX30 for the Samsung NX Mount.
Sigma 35mm F1.4 DG HSM is also available in the Canon EF , Pentax KAF3, Sigma SA, Nikon F (FX) and Leica L mounts.
Focal Range
Sigma 35mm F1.4 DG HSM is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm.
On the other hand, the Samsung 18-200mm F3.5-6.3 ED OIS has a focal range of 18-200mm and 11.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-300mm when used on a APS-C / DX format camera.
