The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 28-70mm F3.5-5.6 II and the Olympus ED 14-150mm F4-5.6 II for their suitability to various photography scenarios:
Size and Weight Comparison
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. Olympus ED 14-150mm F4-5.6 II weighs 284g, 3% (11g) lighter than the Sony FE 28-70mm F3.5-5.6 II's weight of 295g.
Filter Threads
The Sony FE 28-70mm F3.5-5.6 II has a filter size of 55mm whereas the Olympus ED 14-150mm F4-5.6 II has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 55mm filters that we recommend you to consider for the Sony FE 28-70mm F3.5-5.6 II:
And these are the 58mm filters that we recommend for the Olympus ED 14-150mm F4-5.6 II:
Lens Mounts
The Sony FE 28-70mm F3.5-5.6 II has the Sony E lens mount whereas the Olympus ED 14-150mm F4-5.6 II has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Focal Range
Sony FE 28-70mm F3.5-5.6 II 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.
On the other hand, the Olympus ED 14-150mm F4-5.6 II has a focal range of 14-150mm and 10.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28-300mm when used on a FourThirds format camera.
