The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 100mm F2.8 Macro and the Olympus ED 100-400mm F5.0-6.3 IS 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 100-400mm F5.0-6.3 IS is the longer of the two lenses at 206mm. The Samyang 100mm F2.8 Macro with a length of 123mm, is 83mm shorter. Besides being longer, the Olympus ED 100-400mm F5.0-6.3 IS also has a larger diameter of 86mm compared to the Samyang 100mm F2.8 Macro's 73mm diameter.
Below you can find a scaled side-by-side image of Samyang 100mm F2.8 Macro and Olympus ED 100-400mm F5.0-6.3 IS to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang 100mm F2.8 Macro and the Olympus ED 100-400mm F5.0-6.3 IS 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. Samyang 100mm F2.8 Macro weighs 720g, which means it is 400g (35%) lighter than the Olympus ED 100-400mm F5.0-6.3 IS which has a weight of 1120g.
Filter Threads
The Samyang 100mm F2.8 Macro has a filter size of 67mm whereas the Olympus ED 100-400mm F5.0-6.3 IS has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Samyang 100mm F2.8 Macro:
And these are the 72mm filters that we recommend for the Olympus ED 100-400mm F5.0-6.3 IS:
Lens Mounts
Both the Samyang 100mm F2.8 Macro and the Olympus ED 100-400mm F5.0-6.3 IS 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 .
Canon EF , Fujifilm X , Nikon F (FX) , Pentax KAF , Samsung NX , Sony Alpha and Sony E mounts.
Focal Range
Samyang 100mm F2.8 Macro is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 2.0x crop, it provides a 35mm (FF) equivalent of
200mm .
On the other hand, the Olympus ED 100-400mm F5.0-6.3 IS has a focal range of 100-400mm and 4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 200-800mm when used on a FourThirds format camera.
