The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 35-150mm F2-2.8 L and the Sigma 105mm F2.8 DG DN Macro 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. Samyang AF 35-150mm F2-2.8 L is the longer of the two lenses at 155mm. The Sigma 105mm F2.8 DG DN Macro with a length of 134mm, is 21mm shorter. Besides being longer, the Samyang AF 35-150mm F2-2.8 L also has a larger diameter of 93mm compared to the Sigma 105mm F2.8 DG DN Macro'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. Sigma 105mm F2.8 DG DN Macro weighs 715g, 40% (491g) lighter than the Samyang AF 35-150mm F2-2.8 L's weight of 1206g.
Filter Threads
The Samyang AF 35-150mm F2-2.8 L has a filter size of 82mm whereas the Sigma 105mm F2.8 DG DN Macro has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Samyang AF 35-150mm F2-2.8 L:
And these are the 62mm filters that we recommend for the Sigma 105mm F2.8 DG DN Macro:
Lens Mounts
The Samyang AF 35-150mm F2-2.8 L has the Leica L lens mount whereas the Sigma 105mm F2.8 DG DN Macro has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Sigma 105mm F2.8 DG DN Macro is also available in Leica L mount.
Focal Range
Samyang AF 35-150mm F2-2.8 L has a focal range of 35-150mm and
4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5 - 225mm.
On the other hand, the Sigma 105mm F2.8 DG DN Macro is a prime lens with fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 157.5mm.
