The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus 12-200mm F3.5-6.3 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. Sigma 18-300 F3.5-6.3 DC OS HSM is the longer of the two lenses at 102mm. The Olympus 12-200mm F3.5-6.3 with a length of 100mm, is 2mm shorter. Besides being longer, the Sigma 18-300 F3.5-6.3 DC OS HSM also has a larger diameter of 79mm compared to the Olympus 12-200mm F3.5-6.3's 78mm diameter.
Below you can find a scaled side-by-side image of Olympus 12-200mm F3.5-6.3 and Sigma 18-300 F3.5-6.3 DC OS HSM to get a better idea of how their sizes compare in real life.
Comparison image of the Olympus 12-200mm F3.5-6.3 and the Sigma 18-300 F3.5-6.3 DC OS HSM Size and Weight 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 12-200mm F3.5-6.3 weighs 455g, which means it is 130g (22%) lighter than the Sigma 18-300 F3.5-6.3 DC OS HSM which has a weight of 585g.
Filter Threads
Both the Olympus 12-200mm F3.5-6.3 and the Sigma 18-300 F3.5-6.3 DC OS HSM have the same Filter thread size of 72mm .
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Olympus 12-200mm F3.5-6.3 has the Micro Four Thirds lens mount whereas the Sigma 18-300 F3.5-6.3 DC OS HSM has the Pentax KAF3 lens mount . Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Pentax K-3 III Mono , Pentax KF and Pentax K-3 III for the Pentax KAF3 Mount.
Canon EF , Nikon F (DX) , Sigma SA and Sony Alpha mounts.
Focal Range
Olympus 12-200mm F3.5-6.3 has a focal range of 12-200mm and
16.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
24-400mm when used on a FourThirds format camera.
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.
