The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM 50-200mm F2.8 and the Olympus 300mm F4 IS Pro 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. Olympus 300mm F4 IS Pro is the longer of the two lenses at 227mm. The OM 50-200mm F2.8 with a length of 226mm, is 1mm shorter. Besides being longer, the Olympus 300mm F4 IS Pro also has a larger diameter of 93mm compared to the OM 50-200mm F2.8's 91mm 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. OM 50-200mm F2.8 weighs 1075g, which means it is 195g (15%) lighter than the Olympus 300mm F4 IS Pro which has a weight of 1270g.
Filter Threads
Both the OM 50-200mm F2.8 and the Olympus 300mm F4 IS Pro have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the OM 50-200mm F2.8 and the Olympus 300mm F4 IS Pro has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-3 Astro, OM System OM-5 II and OM System OM-3.
Focal Range
OM 50-200mm F2.8 has a focal range of 50-200mm and
4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
100-400mm when used on a FourThirds format camera.
On the other hand, the Olympus 300mm F4 IS Pro is a prime lens with fixed focal lenght of 300mm which has an effective (full-frame 35mm equivalent) focal range of 600mm when used on a FourThirds format camera.
