The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 24-200mm F4-6.3 VR and the Sigma 18-300 F3.5-6.3 DC OS HSM 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. Nikon Z 24-200mm F4-6.3 VR is the longer of the two lenses at 114mm. The Sigma 18-300 F3.5-6.3 DC OS HSM with a length of 102mm, is 12mm shorter. On the other hand, the Sigma 18-300 F3.5-6.3 DC OS HSM has a larger diameter of 79mm compared to the Nikon Z 24-200mm F4-6.3 VR's 77mm diameter.
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Below you can find a scaled side-by-side image of Nikon Z 24-200mm F4-6.3 VR and Sigma 18-300 F3.5-6.3 DC OS HSM to get a better idea of how their sizes compare in real life.
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. Nikon Z 24-200mm F4-6.3 VR weighs 570g, which means it is 15g (2%) lighter than the Sigma 18-300 F3.5-6.3 DC OS HSM which has a weight of 585g.
Filter Threads
The Nikon Z 24-200mm F4-6.3 VR has a filter size of 67mm whereas the Sigma 18-300 F3.5-6.3 DC OS HSM 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 67mm filters that we recommend you to consider for the Nikon Z 24-200mm F4-6.3 VR:
And these are the 72mm filters that we recommend for the Sigma 18-300 F3.5-6.3 DC OS HSM:
Lens Mounts
The Nikon Z 24-200mm F4-6.3 VR has the Nikon Z lens mount whereas the Sigma 18-300 F3.5-6.3 DC OS HSM has the Sigma SA lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon Zf, Nikon Z8 and Nikon Z30 for the Nikon Z Mount and Sigma SD1 Merrill, Sigma SD1 and for the Sigma SA Mount.
Sigma 18-300 F3.5-6.3 DC OS HSM is also available in Canon EF , Nikon F (DX), Pentax KAF3 and Sony Alpha mounts.
Focal Range
Nikon Z 24-200mm F4-6.3 VR has a focal range of 24-200mm and
8.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36 - 300mm.
On the other hand, the Sigma 18-300 F3.5-6.3 DC OS HSM has a focal range of 18-300mm and 16.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-450mm when used on a APS-C / DX format camera.