The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samsung 10mm F3.5 Fisheye and the Canon 100-400mm f4.5-5.6L IS USM 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. Canon 100-400mm f4.5-5.6L IS USM is the longer of the two lenses at 189mm. The Samsung 10mm F3.5 Fisheye with a length of 26mm, is 163mm shorter. Besides being longer, the Canon 100-400mm f4.5-5.6L IS USM also has a larger diameter of 92mm compared to the Samsung 10mm F3.5 Fisheye's 59mm 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 10mm F3.5 Fisheye weighs 71g, which means it is 1309g (94%) lighter than the Canon 100-400mm f4.5-5.6L IS USM which has a weight of 1380g.
Lens Mounts
The Samsung 10mm F3.5 Fisheye has the Samsung NX lens mount whereas the Canon 100-400mm f4.5-5.6L IS USM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Samsung NX1, Samsung NX3000 and Samsung NX30 for the Samsung NX Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Focal Range
Samsung 10mm F3.5 Fisheye is a prime lens with fixed focal lenght of 10mm which has an effective (full-frame 35mm equivalent) focal range of
15mm when used on a APS-C / DX format camera.
On the other hand, the Canon 100-400mm f4.5-5.6L IS USM has a focal range of 100-400mm and 4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 160 - 640mm.
