The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 16-70mm F4 ZA OSS and the Sony E PZ 18-105mm F4 G OSS 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. Sony E PZ 18-105mm F4 G OSS is the longer of the two lenses at 110mm. The Sony E 16-70mm F4 ZA OSS with a length of 75mm, is 35mm shorter. Besides being longer, the Sony E PZ 18-105mm F4 G OSS also has a larger diameter of 78mm compared to the Sony E 16-70mm F4 ZA OSS's 67mm 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 E 16-70mm F4 ZA OSS weighs 308g, which means it is 174g (36%) lighter than the Sony E PZ 18-105mm F4 G OSS which has a weight of 482g.
Filter Threads
The Sony E 16-70mm F4 ZA OSS has a filter size of 55mm whereas the Sony E PZ 18-105mm F4 G OSS has a 72mm 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 E 16-70mm F4 ZA OSS:
And these are the 72mm filters that we recommend for the Sony E PZ 18-105mm F4 G OSS:
Lens Mounts
Both the Sony E 16-70mm F4 ZA OSS and the Sony E PZ 18-105mm F4 G OSS has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A6700, Sony FX30 and Sony ZV-E10.
Focal Range
Sony E 16-70mm F4 ZA OSS has a focal range of 16-70mm and
4.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
24-105mm when used on a APS-C / DX format camera.
On the other hand, the Sony E PZ 18-105mm F4 G OSS has a focal range of 18-105mm and 5.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-157.5mm when used on a APS-C / DX format camera.