The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 18-135mm F3.5-5.6 OSS and the Sony E 18-200mm F3.5-6.3 for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sony E 18-200mm F3.5-6.3 is the longer of the two lenses at 99mm. The Sony E 18-135mm F3.5-5.6 OSS with a length of 88mm is 11mm shorter. Besides being longer, the Sony E 18-200mm F3.5-6.3 also has a larger diameter of 76mm compared to Sony E 18-135mm F3.5-5.6 OSS's 67mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sony E 18-135mm F3.5-5.6 OSS weighs 325g, which means it is 199g (37%) lighter than the Sony E 18-200mm F3.5-6.3 which has a weight of 524g.
Below you can find the dimension and weight table of the 'SuperZoom Lenses in Sony E Mount for size comparison purposes.
SuperZoom Lenses in Sony E Mount for Size Comparison
Lens Mounts
Both Sony E 18-135mm F3.5-5.6 OSS and Sony E 18-200mm F3.5-6.3 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX30, Sony ZV-E10 and Sony A6600.
Focal Range
Sony E 18-135mm F3.5-5.6 OSS has a focal range of 18-135mm and 7.5X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-202.5mm when used on a APS-C / DX format camera. Sony E 18-200mm F3.5-6.3 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.