The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina Opera 16-28mm F2.8 FF and the Sony FE 28-70mm F3.5-5.6 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. Tokina Opera 16-28mm F2.8 FF is the longer of the two lenses at 134mm. The Sony FE 28-70mm F3.5-5.6 with a length of 83mm, is 51mm shorter. Besides being longer, the Tokina Opera 16-28mm F2.8 FF also has a larger diameter of 89mm compared to the Sony FE 28-70mm F3.5-5.6's 73mm 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. Sony FE 28-70mm F3.5-5.6 weighs 295g, 68% (645g) lighter than the Tokina Opera 16-28mm F2.8 FF's weight of 940g.
Lens Mounts
The Tokina Opera 16-28mm F2.8 FF has the Nikon F (FX) lens mount whereas the Sony FE 28-70mm F3.5-5.6 has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Tokina Opera 16-28mm F2.8 FF is also available in the Canon EF mount.
Focal Range
Tokina Opera 16-28mm F2.8 FF has a focal range of 16-28mm and
1.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
24 - 42mm.
On the other hand, the Sony FE 28-70mm F3.5-5.6 has a focal range of 28-70mm and 2.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 42 - 105mm.
