The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang MF 85mm F1.4 Mk2 and the Olympus ED 40-150mm F2.8 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 ED 40-150mm F2.8 Pro is the longer of the two lenses at 160mm. The Samyang MF 85mm F1.4 Mk2 with a length of 75mm, is 85mm shorter. Besides being longer, the Olympus ED 40-150mm F2.8 Pro also has a larger diameter of 79mm compared to the Samyang MF 85mm F1.4 Mk2's 78mm 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. Samyang MF 85mm F1.4 Mk2 weighs 548g, which means it is 212g (27%) lighter than the Olympus ED 40-150mm F2.8 Pro which has a weight of 760g.
Both the Samyang MF 85mm F1.4 Mk2 and the Olympus ED 40-150mm F2.8 Pro have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Both the Samyang MF 85mm F1.4 Mk2 and the Olympus ED 40-150mm F2.8 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-1 II, Panasonic G9 II and OM System OM-5.
Samyang MF 85mm F1.4 Mk2 is also available in Canon EF , Canon EF-M, Fujifilm X, Nikon F (FX) and Sony E mounts.
Samyang MF 85mm F1.4 Mk2 is a prime lens with fixed focal lenght of 85mm.
On the other hand, the 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.