The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus ED 40-150mm F2.8 Pro and the Tamron 70-200mm f2.8 VC USD 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. Tamron 70-200mm f2.8 VC USD is the longer of the two lenses at 197mm. The Olympus ED 40-150mm F2.8 Pro with a length of 160mm, is 37mm shorter. Besides being longer, the Tamron 70-200mm f2.8 VC USD also has a larger diameter of 86mm compared to the Olympus ED 40-150mm F2.8 Pro's 79mm 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. Olympus ED 40-150mm F2.8 Pro weighs 760g, which means it is 710g (48%) lighter than the Tamron 70-200mm f2.8 VC USD which has a weight of 1470g.
Filter Threads
The Olympus ED 40-150mm F2.8 Pro has a filter size of 72mm whereas the Tamron 70-200mm f2.8 VC USD has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Olympus ED 40-150mm F2.8 Pro:
And these are the 77mm filters that we recommend for the Tamron 70-200mm f2.8 VC USD:
Lens Mounts
The Olympus ED 40-150mm F2.8 Pro has the Micro Four Thirds lens mount whereas the Tamron 70-200mm f2.8 VC USD has the Nikon F (FX) 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 Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Tamron 70-200mm f2.8 VC USD is also available in Canon EF and Sony Alpha mounts.
Focal Range
Olympus ED 40-150mm F2.8 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 Tamron 70-200mm f2.8 VC USD has a focal range of 70-200mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 105 - 300mm.
