The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM System 40-150mm F4.0 PRO and the Olympus 150-400mm F4.5 TC 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 150-400mm F4.5 TC is the longer of the two lenses at 314mm. The OM System 40-150mm F4.0 PRO with a length of 99mm, is 215mm shorter. Besides being longer, the Olympus 150-400mm F4.5 TC also has a larger diameter of 116mm compared to the OM System 40-150mm F4.0 PRO's 69mm diameter.
Below you can find a scaled side-by-side image of OM System 40-150mm F4.0 PRO and Olympus 150-400mm F4.5 TC to get a better idea of how their sizes compare in real life.
Comparison image of the OM System 40-150mm F4.0 PRO and the Olympus 150-400mm F4.5 TC 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. OM System 40-150mm F4.0 PRO weighs 382g, which means it is 1468g (79%) lighter than the Olympus 150-400mm F4.5 TC which has a weight of 1850g.
Filter Threads
The OM System 40-150mm F4.0 PRO has a filter size of 62mm whereas the Olympus 150-400mm F4.5 TC has a 95mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the OM System 40-150mm F4.0 PRO:
And these are the 95mm filters that we recommend for the Olympus 150-400mm F4.5 TC:
Lens Mounts
Both the OM System 40-150mm F4.0 PRO and the Olympus 150-400mm F4.5 TC 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 System 40-150mm F4.0 PRO has a focal range of 40-150mm and
3.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
80-300mm when used on a FourThirds format camera.
On the other hand, the Olympus 150-400mm F4.5 TC has a focal range of 150-400mm and 2.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 300-800mm when used on a FourThirds format camera.
