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 and the Sony E 18-200mm F3.5-6.3 OSS LE 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 18-200mm F3.5-6.3 OSS LE is the longer of the two lenses at 97mm. The Sony FE 28-70mm F3.5-5.6 with a length of 83mm, is 14mm shorter. On the other hand, the Sony FE 28-70mm F3.5-5.6 has a larger diameter of 73mm compared to the Sony E 18-200mm F3.5-6.3 OSS LE's 68mm 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, which means it is 165g (35%) lighter than the Sony E 18-200mm F3.5-6.3 OSS LE which has a weight of 460g.
Filter Threads
The Sony FE 28-70mm F3.5-5.6 has a filter size of 55mm whereas the Sony E 18-200mm F3.5-6.3 OSS LE 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 55mm filters that we recommend you to consider for the Sony FE 28-70mm F3.5-5.6:
And these are the 62mm filters that we recommend for the Sony E 18-200mm F3.5-6.3 OSS LE:
Lens Mounts
Both the Sony FE 28-70mm F3.5-5.6 and the Sony E 18-200mm F3.5-6.3 OSS LE has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Focal Range
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.
On the other hand, the Sony E 18-200mm F3.5-6.3 OSS LE has a focal range of 18-200mm and 11.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-300mm when used on a APS-C / DX format camera.
